探空火箭是(shi)用于將科(ke)學儀器以拋(pao)物(wu)線軌跡送(song)入(ru)(ru)地球(qiu)大氣(qi)層的上部區域,使其進(jin)入(ru)(ru)近地空間的一(yi)種火箭。
探(tan)空基本(ben)結(jie)構火(huo)(huo)(huo)箭(jian)(jian)(jian)(jian)(jian)包(bao)(bao)(bao)括箭(jian)(jian)(jian)(jian)(jian)體結(jie)構、動(dong)力(li)裝(zhuang)(zhuang)置(zhi)(zhi)、穩定尾(wei)翼等(deng)。大(da)多數(shu)探(tan)空火(huo)(huo)(huo)箭(jian)(jian)(jian)(jian)(jian)為(wei)(wei)單級或兩級火(huo)(huo)(huo)箭(jian)(jian)(jian)(jian)(jian),也有(you)(you)(you)(you)為(wei)(wei)3級、4級的(de)(de)(de)。動(dong)力(li)裝(zhuang)(zhuang)置(zhi)(zhi)通常用(yong)固體火(huo)(huo)(huo)箭(jian)(jian)(jian)(jian)(jian)發(fa)(fa)(fa)(fa)(fa)動(dong)機,可以簡化和縮短發(fa)(fa)(fa)(fa)(fa)射(she)操作時(shi)間。探(tan)空火(huo)(huo)(huo)箭(jian)(jian)(jian)(jian)(jian)對火(huo)(huo)(huo)箭(jian)(jian)(jian)(jian)(jian)姿態和飛(fei)行(xing)彈(dan)(dan)道(dao)的(de)(de)(de)要求不像導彈(dan)(dan)和運載(zai)(zai)火(huo)(huo)(huo)箭(jian)(jian)(jian)(jian)(jian)那樣嚴格(ge),一般不設(she)控制系(xi)統(tong),僅(jin)靠穩定尾(wei)翼或火(huo)(huo)(huo)箭(jian)(jian)(jian)(jian)(jian)繞縱(zong)軸(zhou)旋(xuan)轉來保證(zheng)飛(fei)行(xing)穩定。需(xu)(xu)要精確(que)定位和定向時(shi)才設(she)置(zhi)(zhi)控制系(xi)統(tong)。 除探(tan)測(ce)火(huo)(huo)(huo)箭(jian)(jian)(jian)(jian)(jian)基本(ben)結(jie)構外(wai),探(tan)空火(huo)(huo)(huo)箭(jian)(jian)(jian)(jian)(jian)系(xi)統(tong)還包(bao)(bao)(bao)括有(you)(you)(you)(you)效載(zai)(zai)荷(he)(he)、發(fa)(fa)(fa)(fa)(fa)射(she)裝(zhuang)(zhuang)置(zhi)(zhi)和地(di)(di)面臺(tai)站等(deng): (1) 有(you)(you)(you)(you)效載(zai)(zai)荷(he)(he)大(da)多裝(zhuang)(zhuang)在(zai)箭(jian)(jian)(jian)(jian)(jian)頭的(de)(de)(de)儀(yi)器艙內。儀(yi)器艙的(de)(de)(de)直徑有(you)(you)(you)(you)時(shi)可大(da)于(yu)箭(jian)(jian)(jian)(jian)(jian)體直徑。有(you)(you)(you)(you)效載(zai)(zai)荷(he)(he)采(cai)集到的(de)(de)(de)信(xin)息通過遙測(ce)裝(zhuang)(zhuang)置(zhi)(zhi)發(fa)(fa)(fa)(fa)(fa)送(song)到地(di)(di)面臺(tai)站接(jie)(jie)收(shou)(shou)(shou)處理(li),或者在(zai)火(huo)(huo)(huo)箭(jian)(jian)(jian)(jian)(jian)下(xia)降過程中將有(you)(you)(you)(you)效載(zai)(zai)荷(he)(he)從(cong)火(huo)(huo)(huo)箭(jian)(jian)(jian)(jian)(jian)內彈(dan)(dan)射(she)出(chu)來,利用(yong)降落傘等(deng)氣動(dong)減(jian)(jian)速裝(zhuang)(zhuang)置(zhi)(zhi)安全(quan)降落到地(di)(di)面回收(shou)(shou)(shou)。有(you)(you)(you)(you)效載(zai)(zai)荷(he)(he)的(de)(de)(de)重量(liang)和尺(chi)寸取決于(yu)探(tan)測(ce)要求,一般為(wei)(wei)幾(ji)(ji)公斤到幾(ji)(ji)百公斤,最大(da)可達幾(ji)(ji)噸。 (2) 發(fa)(fa)(fa)(fa)(fa)射(she)裝(zhuang)(zhuang)置(zhi)(zhi)通常用(yong)導軌(gui)和塔式(shi)發(fa)(fa)(fa)(fa)(fa)射(she)架(jia),使(shi)火(huo)(huo)(huo)箭(jian)(jian)(jian)(jian)(jian)獲(huo)得足夠大(da)的(de)(de)(de)出(chu)架(jia)速度(du)(du)。無控制火(huo)(huo)(huo)箭(jian)(jian)(jian)(jian)(jian)的(de)(de)(de)飛(fei)行(xing)彈(dan)(dan)道(dao)受(shou)風的(de)(de)(de)影響較大(da),為(wei)(wei)了保證(zheng)達到預定的(de)(de)(de)高(gao)度(du)(du)和減(jian)(jian)小彈(dan)(dan)道(dao)散(san)布,探(tan)空火(huo)(huo)(huo)箭(jian)(jian)(jian)(jian)(jian)發(fa)(fa)(fa)(fa)(fa)射(she)時(shi)尚(shang)需(xu)(xu)根據發(fa)(fa)(fa)(fa)(fa)射(she)場的(de)(de)(de)高(gao)空風資料采(cai)用(yong)風補(bu)償技(ji)術(shu)來調整和確(que)定發(fa)(fa)(fa)(fa)(fa)射(she)角度(du)(du)。大(da)多數(shu)探(tan)空火(huo)(huo)(huo)箭(jian)(jian)(jian)(jian)(jian)從(cong)地(di)(di)面以接(jie)(jie)近垂直狀態發(fa)(fa)(fa)(fa)(fa)射(she),也有(you)(you)(you)(you)從(cong)移動(dong)式(shi)發(fa)(fa)(fa)(fa)(fa)射(she)車發(fa)(fa)(fa)(fa)(fa)射(she)的(de)(de)(de),根據需(xu)(xu)要還可從(cong)艦船或升在(zai)空中的(de)(de)(de)氣球上發(fa)(fa)(fa)(fa)(fa)射(she)。 (3) 地(di)(di)面臺(tai)站主要包(bao)(bao)(bao)括接(jie)(jie)收(shou)(shou)(shou)測(ce)量(liang)信(xin)息的(de)(de)(de)地(di)(di)面接(jie)(jie)收(shou)(shou)(shou)設(she)備、跟(gen)蹤火(huo)(huo)(huo)箭(jian)(jian)(jian)(jian)(jian)的(de)(de)(de)定位測(ce)速設(she)備(如雷(lei)達)和電(dian)子計算(suan)機等(deng)。雷(lei)達跟(gen)蹤方(fang)式(shi)有(you)(you)(you)(you)反射(she)式(shi)和應答式(shi)兩種,應答式(shi)比反射(she)式(shi)的(de)(de)(de)跟(gen)蹤距離(li)更大(da)。地(di)(di)面接(jie)(jie)收(shou)(shou)(shou)設(she)備接(jie)(jie)收(shou)(shou)(shou)的(de)(de)(de)遙測(ce)數(shu)據直接(jie)(jie)輸入電(dian)子計算(suan)機處理(li),實時(shi)給出(chu)探(tan)測(ce)結(jie)果。
無論固體運(yun)載(zai)(zai)火箭(jian)(jian)(jian)還(huan)(huan)是液體運(yun)載(zai)(zai)火箭(jian)(jian)(jian),無論單級運(yun)載(zai)(zai)火箭(jian)(jian)(jian)還(huan)(huan)是多級運(yun)載(zai)(zai)火箭(jian)(jian)(jian),其(qi)主要的組成部(bu)分均包括結(jie)構系(xi)統(tong)(tong)(又稱(cheng)箭(jian)(jian)(jian)體結(jie)構)、動力裝置(zhi)系(xi)統(tong)(tong)(又稱(cheng)推進系(xi)統(tong)(tong))和(he)控制(zhi)系(xi)統(tong)(tong)。這三大系(xi)統(tong)(tong)稱(cheng)為運(yun)載(zai)(zai)火箭(jian)(jian)(jian)的主系(xi)統(tong)(tong),主系(xi)統(tong)(tong)的可(ke)靠與否,將直接(jie)(jie)影響(xiang)運(yun)載(zai)(zai)火箭(jian)(jian)(jian)飛(fei)行(xing)的成敗。此(ci)外(wai),運(yun)載(zai)(zai)火箭(jian)(jian)(jian)上(shang)還(huan)(huan)有一些不直接(jie)(jie)影響(xiang)飛(fei)行(xing)成敗并(bing)由箭(jian)(jian)(jian)上(shang)設備與地(di)面設備共同組成的系(xi)統(tong)(tong),例如遙測(ce)系(xi)統(tong)(tong)、外(wai)彈(dan)道測(ce)量(liang)系(xi)統(tong)(tong)、安全系(xi)統(tong)(tong)和(he)瞄準系(xi)統(tong)(tong)等(deng)。其(qi)中(zhong):
1)箭(jian)體(ti)結構是運(yun)載火箭(jian)的基體(ti),它(ta)用來維持火箭(jian)的外(wai)形(xing),承(cheng)受火箭(jian)在(zai)地面運(yun)輸(shu)、發射操作和(he)在(zai)飛行中作用載火箭(jian)上(shang)的各(ge)種(zhong)載荷,安裝連(lian)接(jie)火箭(jian)各(ge)系統的所有(you)儀器、設備(bei),把箭(jian)上(shang)所有(you)系統、組(zu)件連(lian)接(jie)組(zu)合(he)成一個整體(ti)。
2)動(dong)力(li)裝(zhuang)(zhuang)置系(xi)統(tong)(tong)是推動(dong)運載(zai)火箭(jian)飛行并獲得一(yi)定速度的(de)(de)裝(zhuang)(zhuang)置。對液體(ti)(ti)火箭(jian)來說,動(dong)力(li)裝(zhuang)(zhuang)置系(xi)統(tong)(tong)由(you)推進劑(ji)輸(shu)送、增壓系(xi)統(tong)(tong)和(he)液體(ti)(ti)火箭(jian)發(fa)動(dong)機兩大部分組成。固(gu)體(ti)(ti)火箭(jian)的(de)(de)動(dong)力(li)裝(zhuang)(zhuang)置系(xi)統(tong)(tong)較為簡單,它的(de)(de)主(zhu)要部分就(jiu)是固(gu)體(ti)(ti)火箭(jian)發(fa)動(dong)機,推進劑(ji)直接裝(zhuang)(zhuang)在發(fa)動(dong)機的(de)(de)燃(ran)燒室殼體(ti)(ti)內。
3)控(kong)制(zhi)(zhi)系(xi)統(tong)(tong)是用來(lai)控(kong)制(zhi)(zhi)運(yun)(yun)載火箭(jian)(jian)沿預(yu)定軌道正(zheng)常(chang)、可靠(kao)飛行(xing)的部(bu)分。控(kong)制(zhi)(zhi)系(xi)統(tong)(tong)由制(zhi)(zhi)導(dao)和導(dao)航系(xi)統(tong)(tong)、姿態(tai)(tai)控(kong)制(zhi)(zhi)系(xi)統(tong)(tong)、電(dian)源供(gong)配(pei)電(dian)和時(shi)序(xu)(xu)控(kong)制(zhi)(zhi)系(xi)統(tong)(tong)三大部(bu)分組成。制(zhi)(zhi)導(dao)和導(dao)航系(xi)統(tong)(tong)的功(gong)用是控(kong)制(zhi)(zhi)運(yun)(yun)載火箭(jian)(jian)按(an)預(yu)定的軌道運(yun)(yun)動(dong),把有效載荷送到預(yu)定的空間位置并(bing)使(shi)(shi)之準(zhun)確進入軌道。姿態(tai)(tai)控(kong)制(zhi)(zhi)系(xi)統(tong)(tong)(又稱(cheng)姿態(tai)(tai)穩(wen)定系(xi)統(tong)(tong))的功(gong)用是糾正(zheng)運(yun)(yun)載火箭(jian)(jian)飛行(xing)中的俯仰、偏航、滾動(dong)誤(wu)差,使(shi)(shi)之保持正(zheng)確的飛行(xing)姿態(tai)(tai)。電(dian)源供(gong)配(pei)電(dian)和時(shi)序(xu)(xu)控(kong)制(zhi)(zhi)系(xi)統(tong)(tong)則按(an)預(yu)定飛行(xing)時(shi)序(xu)(xu)實施供(gong)配(pei)電(dian)控(kong)制(zhi)(zhi)。
4)遙測(ce)(ce)系(xi)統(tong)的(de)(de)功用(yong)是把運載火箭飛(fei)行中(zhong)(zhong)各系(xi)統(tong)的(de)(de)工作參(can)數(shu)(shu)及環境參(can)數(shu)(shu)測(ce)(ce)量下來(lai),通過運載火箭上(shang)的(de)(de)無線(xian)電發(fa)射機(ji)將這些參(can)數(shu)(shu)送(song)回地(di)面(mian),由地(di)面(mian)接(jie)收機(ji)接(jie)收;亦可(ke)(ke)將測(ce)(ce)量所(suo)得的(de)(de)參(can)數(shu)(shu)記錄(lu)在運載火箭上(shang)的(de)(de)磁(ci)記錄(lu)器上(shang),在地(di)面(mian)回收磁(ci)記錄(lu)器。這些測(ce)(ce)量參(can)數(shu)(shu)既可(ke)(ke)用(yong)來(lai)預報(bao)航天器入軌時的(de)(de)軌道參(can)數(shu)(shu),又可(ke)(ke)用(yong)來(lai)鑒定和改(gai)進運載火箭的(de)(de)性(xing)能(neng)。一旦運載火箭在飛(fei)行中(zhong)(zhong)出現故障,這些參(can)數(shu)(shu)就是故障分(fen)析的(de)(de)依據。
5)外彈道測(ce)量系統的(de)(de)(de)功用(yong)是利用(yong)地面的(de)(de)(de)光學和無線電設備與(yu)裝在運載(zai)火箭上的(de)(de)(de)對(dui)應裝置一起(qi)對(dui)飛(fei)行(xing)中的(de)(de)(de)運載(zai)火箭進行(xing)跟蹤,并測(ce)量其飛(fei)行(xing)參(can)數,用(yong)來(lai)(lai)預(yu)報航天器入軌時的(de)(de)(de)軌道參(can)數,也可(ke)用(yong)來(lai)(lai)作為(wei)鑒定制導(dao)系統的(de)(de)(de)精度和故障分析的(de)(de)(de)依(yi)據。
6)安(an)全(quan)(quan)系統(tong)(tong)的(de)(de)(de)(de)(de)功用是(shi)當運(yun)載(zai)(zai)火箭(jian)(jian)(jian)在飛(fei)(fei)(fei)行(xing)(xing)中一旦出(chu)(chu)(chu)現故障不能繼續(xu)飛(fei)(fei)(fei)行(xing)(xing)時(shi),將其(qi)在空(kong)中炸(zha)毀,避免運(yun)載(zai)(zai)火箭(jian)(jian)(jian)墜落時(shi)給地(di)面(mian)造成災難性(xing)的(de)(de)(de)(de)(de)危(wei)害。安(an)全(quan)(quan)系統(tong)(tong)包括運(yun)載(zai)(zai)火箭(jian)(jian)(jian)上(shang)的(de)(de)(de)(de)(de)自(zi)毀系統(tong)(tong)和地(di)面(mian)的(de)(de)(de)(de)(de)無(wu)線(xian)電(dian)安(an)全(quan)(quan)系統(tong)(tong)兩(liang)部(bu)分。箭(jian)(jian)(jian)上(shang)的(de)(de)(de)(de)(de)自(zi)毀系統(tong)(tong)由測量裝(zhuang)(zhuang)置(zhi)、計算(suan)機和爆(bao)炸(zha)裝(zhuang)(zhuang)置(zhi)(炸(zha)藥筒)組成。當運(yun)載(zai)(zai)火箭(jian)(jian)(jian)的(de)(de)(de)(de)(de)飛(fei)(fei)(fei)行(xing)(xing)姿態、飛(fei)(fei)(fei)行(xing)(xing)速度超出(chu)(chu)(chu)允許(xu)的(de)(de)(de)(de)(de)范圍時(shi),計算(suan)機發出(chu)(chu)(chu)引(yin)(yin)爆(bao)爆(bao)炸(zha)裝(zhuang)(zhuang)置(zhi)的(de)(de)(de)(de)(de)指令,使運(yun)載(zai)(zai)火箭(jian)(jian)(jian)在空(kong)中自(zi)毀。無(wu)線(xian)電(dian)安(an)全(quan)(quan)系統(tong)(tong)則是(shi)由地(di)面(mian)雷達測量運(yun)載(zai)(zai)火箭(jian)(jian)(jian)的(de)(de)(de)(de)(de)飛(fei)(fei)(fei)行(xing)(xing)軌(gui)道,當運(yun)載(zai)(zai)火箭(jian)(jian)(jian)的(de)(de)(de)(de)(de)飛(fei)(fei)(fei)行(xing)(xing)超出(chu)(chu)(chu)預先規定的(de)(de)(de)(de)(de)安(an)全(quan)(quan)范圍時(shi),從地(di)面(mian)發出(chu)(chu)(chu)引(yin)(yin)爆(bao)箭(jian)(jian)(jian)上(shang)爆(bao)炸(zha)裝(zhuang)(zhuang)置(zhi)的(de)(de)(de)(de)(de)指令,由箭(jian)(jian)(jian)上(shang)的(de)(de)(de)(de)(de)接收(shou)機接收(shou)后將火箭(jian)(jian)(jian)在空(kong)中炸(zha)毀。
7)瞄(miao)準(zhun)系統的(de)功用是給運載火(huo)箭在發射前進行初始方位定向(xiang)。瞄(miao)準(zhun)系統由地面(mian)瞄(miao)準(zhun)設備(bei)和運載火(huo)箭上(shang)的(de)瞄(miao)準(zhun)設備(bei)共同組成。
火(huo)(huo)(huo)(huo)(huo)箭是(shi)中(zhong)(zhong)(zhong)國(guo)古代(dai)(dai)的(de)(de)(de)重大發明(ming)之一。公(gong)元(yuan)969年,中(zhong)(zhong)(zhong)國(guo)已經發明(ming)了(le)(le)火(huo)(huo)(huo)(huo)(huo)藥(yao)(火(huo)(huo)(huo)(huo)(huo)藥(yao)是(shi)在唐(tang)朝發明(ming)的(de)(de)(de))。北宋軍官(guan)岳義方(fang)、馮(feng)繼升(sheng)造出(chu)了(le)(le)世(shi)界(jie)(jie)上(shang)第一個以(yi)火(huo)(huo)(huo)(huo)(huo)藥(yao)為(wei)動力(li)的(de)(de)(de)飛行兵(bing)(bing)器(qi)——-火(huo)(huo)(huo)(huo)(huo)箭。這種火(huo)(huo)(huo)(huo)(huo)箭由箭身和(he)藥(yao)筒組成(cheng),其中(zhong)(zhong)(zhong)藥(yao)筒用(yong)(yong)竹、厚紙制成(cheng),內充火(huo)(huo)(huo)(huo)(huo)藥(yao),前端封死,后(hou)(hou)端引出(chu)導火(huo)(huo)(huo)(huo)(huo)繩,點燃后(hou)(hou),火(huo)(huo)(huo)(huo)(huo)藥(yao)燃燒產生(sheng)的(de)(de)(de)氣(qi)體向后(hou)(hou)噴出(chu),以(yi)氣(qi)體的(de)(de)(de)反作用(yong)(yong)力(li)把(ba)火(huo)(huo)(huo)(huo)(huo)箭推(tui)向前,飛行中(zhong)(zhong)(zhong)殺傷敵兵(bing)(bing)。這種最早(zao)的(de)(de)(de)原始火(huo)(huo)(huo)(huo)(huo)箭在工(gong)作原理上(shang)與(yu)現(xian)(xian)代(dai)(dai)火(huo)(huo)(huo)(huo)(huo)箭沒有什么不同。公(gong)元(yuan)12世(shi)紀(ji)中(zhong)(zhong)(zhong)葉,原始的(de)(de)(de)火(huo)(huo)(huo)(huo)(huo)箭經過改進后(hou)(hou),廣(guang)泛地(di)用(yong)(yong)于戰(zhan)爭。如(ru)公(gong)元(yuan)1161年宋軍與(yu)金兵(bing)(bing)的(de)(de)(de)“采石之戰(zhan)”中(zhong)(zhong)(zhong)所使用(yong)(yong)的(de)(de)(de)“霹靂炮”,其實就是(shi)一種火(huo)(huo)(huo)(huo)(huo)箭兵(bing)(bing)器(qi)。當時在中(zhong)(zhong)(zhong)國(guo)民間(jian)廣(guang)為(wei)流(liu)行的(de)(de)(de)能高飛的(de)(de)(de)“火(huo)(huo)(huo)(huo)(huo)流(liu)星(xing)”(亦稱“起火(huo)(huo)(huo)(huo)(huo)”),實際就是(shi)世(shi)界(jie)(jie)上(shang)第一種觀賞性火(huo)(huo)(huo)(huo)(huo)箭。元(yuan)、明(ming)之后(hou)(hou),即公(gong)元(yuan)13世(shi)紀(ji)以(yi)后(hou)(hou),中(zhong)(zhong)(zhong)國(guo)的(de)(de)(de)火(huo)(huo)(huo)(huo)(huo)箭兵(bing)(bing)器(qi)在戰(zhan)爭中(zhong)(zhong)(zhong)有了(le)(le)很(hen)大發展,涌現(xian)(xian)了(le)(le)許多(duo)與(yu)現(xian)(xian)代(dai)(dai)火(huo)(huo)(huo)(huo)(huo)箭類(lei)型相(xiang)近的(de)(de)(de)火(huo)(huo)(huo)(huo)(huo)箭形式。13世(shi)紀(ji)中(zhong)(zhong)(zhong)葉,蒙古人入侵中(zhong)(zhong)(zhong)亞(ya)、西(xi)亞(ya)和(he)歐(ou)(ou)洲(zhou)(zhou),阿(a)拉(la)伯人侵略西(xi)班牙,他(ta)們把(ba)中(zhong)(zhong)(zhong)國(guo)的(de)(de)(de)火(huo)(huo)(huo)(huo)(huo)箭技(ji)術傳入了(le)(le)歐(ou)(ou)洲(zhou)(zhou)及世(shi)界(jie)(jie)其它(ta)地(di)區(qu)。到了(le)(le)這時,德意志的(de)(de)(de)艾伯特斯·麥格諾才在歐(ou)(ou)洲(zhou)(zhou)首次記述了(le)(le)關于制作火(huo)(huo)(huo)(huo)(huo)箭的(de)(de)(de)技(ji)術。歐(ou)(ou)洲(zhou)(zhou)人最早(zao)使用(yong)(yong)火(huo)(huo)(huo)(huo)(huo)箭兵(bing)(bing)器(qi),是(shi)在1379年意大利(li)的(de)(de)(de)帕多(duo)亞(ya)戰(zhan)爭和(he)1380年的(de)(de)(de)威尼(ni)斯之戰(zhan)中(zhong)(zhong)(zhong)。
至20世紀初,俄(e)國著名(ming)科(ke)學(xue)(xue)家康(kang)斯坦(tan)丁(ding)·齊奧爾科(ke)夫斯基從理論上(shang)證明(ming)了(le)(le)(le)多級火箭(jian)可以(yi)克服地球引力而進入太空(kong)(kong),并建立了(le)(le)(le)火箭(jian)運動(dong)的(de)基本(ben)數學(xue)(xue)方(fang)程,奠(dian)定(ding)了(le)(le)(le)航(hang)天飛行(xing)動(dong)力學(xue)(xue)的(de)基礎。此外,他肯定(ding)了(le)(le)(le)液體火箭(jian)發動(dong)機是航(hang)天器最適宜的(de)動(dong)力裝置,為運載(zai)器的(de)發展指出(chu)了(le)(le)(le)方(fang)向(xiang),并提出(chu)為實(shi)現飛向(xiang)其他行(xing)星必須設置中間(jian)站,以(yi)及火箭(jian)在星際(ji)空(kong)(kong)間(jian)飛行(xing)的(de)條件(jian)和火箭(jian)地面起(qi)飛條件(jian)。
美國(guo)著名火(huo)(huo)(huo)箭(jian)(jian)專家羅伯特·哈金斯·戈達德(de)把(ba)航天理(li)論與火(huo)(huo)(huo)箭(jian)(jian)技術相結合,提出(chu)了(le)火(huo)(huo)(huo)箭(jian)(jian)飛(fei)行的(de)(de)數(shu)學原(yuan)理(li),指出(chu)火(huo)(huo)(huo)箭(jian)(jian)必須具有每秒(miao)7.9公(gong)里(li)的(de)(de)速度才能克(ke)服(fu)地球引(yin)力,同時他研究了(le)利用火(huo)(huo)(huo)箭(jian)(jian)把(ba)載荷送(song)至月球的(de)(de)幾種可(ke)能方(fang)案(an)。戈達德(de)從1921年(nian)開始研制液(ye)體(ti)火(huo)(huo)(huo)箭(jian)(jian),于1926年(nian)3月16日進(jin)行了(le)人類首次液(ye)體(ti)火(huo)(huo)(huo)箭(jian)(jian)飛(fei)行試驗并獲得成(cheng)功(火(huo)(huo)(huo)箭(jian)(jian)長3.04米,飛(fei)行2.5秒(miao),達到 12米高,56米遠),這使(shi)得他成(cheng)為(wei)液(ye)體(ti)火(huo)(huo)(huo)箭(jian)(jian)的(de)(de)實際發明人。1932年(nian)他首次用陀螺(luo)控制的(de)(de)燃氣舵(duo)操縱火(huo)(huo)(huo)箭(jian)(jian)的(de)(de)飛(fei)行,1935年(nian)他試驗的(de)(de)火(huo)(huo)(huo)箭(jian)(jian)以(yi)超聲速飛(fei)行,最大射(she)程約20公(gong)里(li)。
1942年10月3日,德國(guo)首(shou)次(ci)(ci)成(cheng)功地(di)發(fa)(fa)射(she)了(le)人(ren)類(lei)歷史上第一(yi)(yi)(yi)枚彈道導(dao)(dao)彈——V-2,并于(yu)1944年9月6日首(shou)次(ci)(ci)投(tou)入作(zuo)戰使用(yong)(yong)(yong)。第二次(ci)(ci)世界(jie)大(da)戰期間(jian),先后有約(yue)4300多枚V-2導(dao)(dao)彈襲(xi)擊了(le)英國(guo)、荷(he)蘭(lan)安特衛普港和(he)其他目標(biao),造(zao)成(cheng)了(le)極(ji)大(da)的(de)(de)(de)破壞。V-2是單級液(ye)體火(huo)箭(jian)(jian)(jian),全(quan)長(chang)14米,質量(liang)為(wei)13噸(dun)(dun),箭(jian)(jian)(jian)體直(zhi)徑1.65米,最大(da)射(she)程(cheng)(cheng)320公(gong)(gong)里(li),發(fa)(fa)動(dong)機(ji)熄(xi)火(huo)高度(du)96公(gong)(gong)里(li),飛行時(shi)間(jian)約(yue)320秒(miao),命中(zhong)精度(du)圓公(gong)(gong)算偏差5公(gong)(gong)里(li),有效載荷(he)約(yue)1噸(dun)(dun)。其動(dong)力系(xi)統選(xuan)用(yong)(yong)(yong)液(ye)氧/酒精液(ye)體火(huo)箭(jian)(jian)(jian)發(fa)(fa)動(dong)機(ji),推力為(wei)260千牛(合26.5噸(dun)(dun)力),最長(chang)工作(zuo)時(shi)間(jian)68秒(miao)。其控制(zhi)(zhi)系(xi)統使用(yong)(yong)(yong)帶(dai)程(cheng)(cheng)序裝置和(he)陀(tuo)螺積分(fen)儀(yi)的(de)(de)(de)自主(zhu)式(shi)陀(tuo)螺控制(zhi)(zhi)系(xi)統。V-2的(de)(de)(de)成(cheng)功在工程(cheng)(cheng)上實現了(le)19世紀末(mo)、20世紀初航(hang)天技(ji)術先驅者的(de)(de)(de)技(ji)術設(she)想(xiang),并培養(yang)和(he)造(zao)就了(le)一(yi)(yi)(yi)大(da)批(pi)有實踐經驗的(de)(de)(de)火(huo)箭(jian)(jian)(jian)專家,對現代大(da)型火(huo)箭(jian)(jian)(jian)的(de)(de)(de)發(fa)(fa)展起到了(le)繼往開(kai)來(lai)的(de)(de)(de)作(zuo)用(yong)(yong)(yong)。V-2的(de)(de)(de)設(she)計雖不盡完(wan)美,但它卻(que)是人(ren)類(lei)擁有的(de)(de)(de)第一(yi)(yi)(yi)件(jian)(jian)向地(di)球(qiu)引力挑戰的(de)(de)(de)工具,成(cheng)為(wei)航(hang)天技(ji)術發(fa)(fa)展史上的(de)(de)(de)一(yi)(yi)(yi)個重要里(li)程(cheng)(cheng)碑。第二次(ci)(ci)世界(jie)大(da)戰后,美、蘇兩國(guo)分(fen)別接收了(le)參與V-2研制(zhi)(zhi)的(de)(de)(de)部分(fen)專家、設(she)備(bei)及資料,為(wei)這兩個國(guo)家在第二次(ci)(ci)世界(jie)大(da)戰后迅速(su)發(fa)(fa)展火(huo)箭(jian)(jian)(jian)和(he)導(dao)(dao)彈的(de)(de)(de)技(ji)術創(chuang)造(zao)了(le)有利(li)的(de)(de)(de)條件(jian)(jian)。40年代末(mo)至50年代末(mo),在V-2的(de)(de)(de)基礎上,以(yi)美、蘇為(wei)主(zhu)研制(zhi)(zhi)的(de)(de)(de)火(huo)箭(jian)(jian)(jian)武(wu)(wu)器得(de)到了(le)迅速(su)發(fa)(fa)展,各種類(lei)型的(de)(de)(de)導(dao)(dao)彈武(wu)(wu)器相繼問世,并形成(cheng)了(le)一(yi)(yi)(yi)個完(wan)整的(de)(de)(de)導(dao)(dao)彈武(wu)(wu)器系(xi)統。
世界(jie)第一枚(mei)(mei)專(zhuan)門用(yong)于(yu)高空(kong)(kong)(kong)大(da)氣探(tan)(tan)(tan)測的(de)火(huo)(huo)箭(jian)是美國(guo)于(yu) 1945年(nian)秋研制成(cheng)功的(de)“女兵(bing)下(xia)士”火(huo)(huo)箭(jian)。它能(neng)將11公(gong)斤(jin)的(de)有效載(zai)荷送到 70公(gong)里的(de)高空(kong)(kong)(kong)。此后(hou),美國(guo)和(he)蘇聯利用(yong)繳(jiao)獲的(de)V-2火(huo)(huo)箭(jian)發射了一批探(tan)(tan)(tan)空(kong)(kong)(kong)火(huo)(huo)箭(jian)。50年(nian)代(dai)的(de)國(guo)際地球物理年(nian)活動大(da)大(da)推動了探(tan)(tan)(tan)空(kong)(kong)(kong)火(huo)(huo)箭(jian)的(de)發展,許(xu)多(duo)國(guo)家開(kai)始了探(tan)(tan)(tan)空(kong)(kong)(kong)火(huo)(huo)箭(jian)的(de)研制。到80年(nian)代(dai),世界(jie)上(shang)已有20多(duo)個國(guo)家發展或使用(yong)了探(tan)(tan)(tan)空(kong)(kong)(kong)火(huo)(huo)箭(jian),年(nian)發射量高達數千枚(mei)(mei)。中國(guo)在1958年(nian)以前(qian)曾發射過(guo)試驗性火(huo)(huo)箭(jian),1958年(nian)正式研制探(tan)(tan)(tan)空(kong)(kong)(kong)火(huo)(huo)箭(jian),先后(hou)研制成(cheng)T-7液體(ti)探(tan)(tan)(tan)空(kong)(kong)(kong)火(huo)(huo)箭(jian)和(he)改進型 T-7A探(tan)(tan)(tan)空(kong)(kong)(kong)火(huo)(huo)箭(jian)。 1965年(nian)起開(kai)始研制固(gu)體(ti)探(tan)(tan)(tan)空(kong)(kong)(kong)火(huo)(huo)箭(jian)“和(he)平”2號和(he)6號。
看似(si)復(fu)雜的火(huo)箭,原理(li)其實非常簡單,早在17世(shi)紀(ji),牛頓就(jiu)很清晰地進(jin)行(xing)了描述:如果以一(yi)定(ding)速(su)度(du)向后拋出一(yi)定(ding)質量,就(jiu)會受到一(yi)個(ge)反作用(yong)力的推動,向前(qian)(qian)加速(su)。簡單的火(huo)箭甚至早在牛頓提出這(zhe)一(yi)原理(li)前(qian)(qian)幾百年就(jiu)在中國(guo)被發(fa)明出來,并得到了應用(yong),包括(kuo)軍用(yong)的火(huo)藥箭和節日慶典的煙花。
火箭向后拋(pao)出(chu)(chu)一(yi)定質量是(shi)(shi)靠火箭發動機來(lai)完(wan)成(cheng)的(de)。火箭發動機點火以后,推(tui)進(jin)劑(ji)(液體的(de)或(huo)固體的(de)燃(ran)(ran)(ran)料和氧化劑(ji))在(zai)發動機燃(ran)(ran)(ran)燒室(shi)里燃(ran)(ran)(ran)燒,產生大(da)量高壓(ya)氣(qi)(qi)體;高壓(ya)氣(qi)(qi)體從(cong)(cong)發動機噴管高速(su)噴出(chu)(chu),對(dui)火箭產生的(de)反(fan)作用力,使火箭沿氣(qi)(qi)體噴射的(de)反(fan)方(fang)向前進(jin)。固體推(tui)進(jin)劑(ji)是(shi)(shi)從(cong)(cong)底層(ceng)(ceng)向頂層(ceng)(ceng)或(huo)從(cong)(cong)內(nei)層(ceng)(ceng)向外層(ceng)(ceng)快速(su)燃(ran)(ran)(ran)燒的(de),而液體推(tui)進(jin)劑(ji)是(shi)(shi)用高壓(ya)氣(qi)(qi)體對(dui)燃(ran)(ran)(ran)料與氧化劑(ji)貯箱增壓(ya),然后用渦輪泵將(jiang)燃(ran)(ran)(ran)料與氧化劑(ji)進(jin)一(yi)步增壓(ya)并輸送(song)進(jin)燃(ran)(ran)(ran)燒室(shi)。推(tui)進(jin)劑(ji)的(de)化學能在(zai)發動機內(nei)轉化為燃(ran)(ran)(ran)氣(qi)(qi)的(de)動能,形成(cheng)高速(su)氣(qi)(qi)流噴出(chu)(chu),產生推(tui)力。
火(huo)(huo)藥(yao)曾經是原始的(de)火(huo)(huo)箭(jian)(jian)(jian)推(tui)進(jin)(jin)劑(ji)(ji)(ji),目(mu)前戰術型火(huo)(huo)箭(jian)(jian)(jian)或(huo)較小導彈大(da)多采用(yong)火(huo)(huo)藥(yao)推(tui)進(jin)(jin)劑(ji)(ji)(ji)。人們習慣性把(ba)這樣(yang)的(de)固體(ti)(ti)燃料叫做(zuo)“單元(yuan)推(tui)進(jin)(jin)劑(ji)(ji)(ji)”。需要燃燒劑(ji)(ji)(ji)加氧化劑(ji)(ji)(ji)的(de)燃料被稱為:“二(er)(er)元(yuan)推(tui)進(jin)(jin)劑(ji)(ji)(ji)”。組(zu)合(he)使(shi)用(yong)液(ye)體(ti)(ti)和固體(ti)(ti)燃料推(tui)進(jin)(jin)劑(ji)(ji)(ji)的(de)稱為混合(he)推(tui)進(jin)(jin)劑(ji)(ji)(ji)。使(shi)用(yong)混合(he)推(tui)進(jin)(jin)劑(ji)(ji)(ji)的(de)火(huo)(huo)箭(jian)(jian)(jian)發(fa)動(dong)機(ji)比(bi)沖和體(ti)(ti)積比(bi)沖介于液(ye)體(ti)(ti)和固體(ti)(ti)火(huo)(huo)箭(jian)(jian)(jian)推(tui)進(jin)(jin)劑(ji)(ji)(ji)之間(jian)。1950年代美國研制成功氧化氫和聚乙(yi)烯作(zuo)為火(huo)(huo)箭(jian)(jian)(jian)發(fa)動(dong)機(ji)的(de)混合(he)推(tui)進(jin)(jin)劑(ji)(ji)(ji)。1964年法國首先發(fa)射成功采用(yong)混合(he)推(tui)進(jin)(jin)劑(ji)(ji)(ji)為動(dong)力的(de)氣(qi)象火(huo)(huo)箭(jian)(jian)(jian)。我國“長征一號(hao)D”運載火(huo)(huo)箭(jian)(jian)(jian)第一級、第二(er)(er)級用(yong)液(ye)體(ti)(ti)燃料火(huo)(huo)箭(jian)(jian)(jian)發(fa)動(dong)機(ji),第三級用(yong)固體(ti)(ti)燃料火(huo)(huo)箭(jian)(jian)(jian)發(fa)動(dong)機(ji)。也是采用(yong)混合(he)推(tui)進(jin)(jin)劑(ji)(ji)(ji)。
選(xuan)擇推(tui)(tui)進劑(ji)所需(xu)要(yao)(yao)考慮的因素很多(duo),如要(yao)(yao)求高的化學(xue)(xue)能(neng)焓、低(di)分(fen)子量(liang)的燃燒產物。比(bi)熱大、導(dao)熱率高。飽和蒸汽氣壓低(di),化學(xue)(xue)穩定性(xing)(xing)好,比(bi)重大、無(wu)毒、無(wu)腐蝕(shi)性(xing)(xing)等。一種推(tui)(tui)進劑(ji)不(bu)可能(neng)完全(quan)具備(bei)以(yi)上的這些性(xing)(xing)能(neng),因此不(bu)斷(duan)研究新燃料是開發空間航行的首要(yao)(yao)任務。
使用(yong)核能燃料(liao)的火箭發動(dong)機的比(bi)沖量高、壽(shou)命(ming)長。但技術復雜,只適用(yong)長期工(gong)作的航天(tian)器及運載(zai)火箭的高能末級(ji)。1986年前蘇聯已在(zai)和平號(hao)空(kong)間站應(ying)用(yong)核動(dong)力發動(dong)機。核燃料(liao)的危(wei)害性(xing)是放射性(xing)污染環境(jing)。
目前火(huo)箭(jian)發(fa)射(she)有(you)三種方式(shi):一是地面發(fa)射(she),二(er)是空中發(fa)射(she),三是海(hai)上發(fa)射(she)。
早期,運送有(you)效(xiao)載荷的(de)火(huo)箭都是從(cong)地面(mian)發(fa)(fa)射場發(fa)(fa)射的(de)。地面(mian)發(fa)(fa)射場受地理位置(zhi)的(de)制約(yue),限(xian)制了有(you)效(xiao)載荷的(de)發(fa)(fa)射范圍,難(nan)以滿足(zu)各種有(you)效(xiao)載荷的(de)需求,于是出現了從(cong)空中發(fa)(fa)射和從(cong)海(hai)上平臺發(fa)(fa)射火(huo)箭的(de)方式。
從(cong)空中發(fa)射(she)(she)(she)火箭是用飛機(ji)(ji)將火箭運(yun)送到高(gao)空后,再釋放(fang)火箭,火箭在空中點火飛向預定軌道(dao)。采(cai)用這種發(fa)射(she)(she)(she)方式,飛機(ji)(ji)可(ke)以在不同地(di)點的機(ji)(ji)場(chang)起(qi)飛,從(cong)空中任何(he)地(di)點發(fa)射(she)(she)(she),它不受地(di)理位置的限(xian)制。這樣,不僅增加了(le)發(fa)射(she)(she)(she)窗口,而(er)且還會擴大軌道(dao)傾角的范圍(wei),因(yin)而(er)具(ju)有很大的機(ji)(ji)動性。載機(ji)(ji)相當(dang)于火箭的基礎級,能(neng)提高(gao)火箭本(ben)身的運(yun)載能(neng)力,同樣火箭從(cong)空中發(fa)射(she)(she)(she)比從(cong)地(di)面發(fa)射(she)(she)(she),其運(yun)載能(neng)力幾乎可(ke)以提高(gao)一(yi)倍(bei)。
與地面(mian)發(fa)射(she)(she)場相比,從(cong)(cong)海(hai)上平(ping)臺發(fa)射(she)(she)火(huo)(huo)(huo)箭同樣具有多種優勢。首先(xian),可(ke)以靈活(huo)選(xuan)(xuan)擇(ze)(ze)(ze)發(fa)射(she)(she)地點,當選(xuan)(xuan)擇(ze)(ze)(ze)在赤(chi)道附近海(hai)域發(fa)射(she)(she)時,能(neng)(neng)充分借助地球的(de)(de)自轉速度(du),提高(gao)火(huo)(huo)(huo)箭的(de)(de)運(yun)載(zai)能(neng)(neng)力;其次,周圍(wei)沒有居民(min)點,火(huo)(huo)(huo)箭落(luo)區的(de)(de)選(xuan)(xuan)擇(ze)(ze)(ze)范圍(wei)較大,從(cong)(cong)而可(ke)使多級火(huo)(huo)(huo)箭的(de)(de)設計更加優化,進一步提高(gao)火(huo)(huo)(huo)箭的(de)(de)運(yun)載(zai)能(neng)(neng)力。
運載火(huo)箭發射前準備
與運(yun)載火箭(jian)(jian)的(de)(de)(de)(de)研(yan)制一樣,運(yun)載火箭(jian)(jian)的(de)(de)(de)(de)發射同樣是一項綜合性的(de)(de)(de)(de)系(xi)統工程。它涉及(ji)的(de)(de)(de)(de)面(mian)很廣,包括運(yun)載火箭(jian)(jian)的(de)(de)(de)(de)檢查、測(ce)試、轉(zhuan)運(yun)、加注推(tui)進(jin)劑(ji)、發射程序與數據(ju)的(de)(de)(de)(de)計(ji)算和裝訂、點火發射、跟蹤測(ce)量、安全控制、指揮通信、地面(mian)勤務(wu)保障等多方面(mian)的(de)(de)(de)(de)工作。
運(yun)載(zai)(zai)火(huo)箭(jian)(jian)首先(xian)(xian)進(jin)(jin)(jin)入(ru)技術準備區的(de)(de)專用(yong)廠房(fang)。在(zai)這里先(xian)(xian)對(dui)箭(jian)(jian)上(shang)(shang)的(de)(de)儀(yi)器(qi)設備進(jin)(jin)(jin)行(xing)單(dan)(dan)元(yuan)(yuan)測(ce)試,即對(dui)儀(yi)器(qi)設備單(dan)(dan)獨(du)進(jin)(jin)(jin)行(xing)測(ce)試,檢查(cha)其(qi)性能和精(jing)確測(ce)量(liang)其(qi)參(can)數(shu)。單(dan)(dan)元(yuan)(yuan)測(ce)試合格后進(jin)(jin)(jin)行(xing)分(fen)系(xi)統(tong)測(ce)試,它是(shi)(shi)在(zai)系(xi)統(tong)處(chu)于(yu)工(gong)作(zuo)狀態(tai)下,對(dui)系(xi)統(tong)內(nei)各儀(yi)器(qi)設備工(gong)作(zuo)的(de)(de)協調(diao)性和功能進(jin)(jin)(jin)行(xing)檢查(cha),并測(ce)量(liang)其(qi)工(gong)作(zuo)參(can)數(shu)。接下來(lai)各分(fen)系(xi)統(tong)之(zhi)間(jian)進(jin)(jin)(jin)行(xing)匹配(pei)測(ce)試,檢查(cha)系(xi)統(tong)之(zhi)間(jian)工(gong)作(zuo)是(shi)(shi)否(fou)協調(diao)匹配(pei)。最(zui)后進(jin)(jin)(jin)行(xing)箭(jian)(jian)上(shang)(shang)所有系(xi)統(tong)都參(can)加(jia)的(de)(de)總檢查(cha),總檢查(cha)一般要(yao)進(jin)(jin)(jin)行(xing)多(duo)次,以模(mo)擬(ni)各種(zhong)飛(fei)行(xing)狀態(tai)來(lai)驗(yan)證運(yun)載(zai)(zai)火(huo)箭(jian)(jian)全系(xi)統(tong)的(de)(de)技術性能和可靠性,并使火(huo)箭(jian)(jian)達(da)到(dao)符(fu)合發射(she)狀態(tai)的(de)(de)要(yao)求(qiu)。總檢查(cha)之(zhi)后,開始在(zai)運(yun)載(zai)(zai)火(huo)箭(jian)(jian)上(shang)(shang)安裝各種(zhong)火(huo)工(gong)品(pin)和火(huo)工(gong)裝置(zhi),并準備轉場。
在運載(zai)火箭進(jin)行(xing)技(ji)術測(ce)試(shi)的同時,發(fa)射場內(nei)的測(ce)控系統要進(jin)行(xing)設(she)備聯(lian)試(shi)。先是進(jin)行(xing)場內(nei)設(she)備聯(lian)試(shi),然后再與分(fen)布在各地的測(ce)控站設(she)備聯(lian)試(shi)。與此同時,地面勤務保障(zhang)部門對發(fa)射設(she)備、加注設(she)備進(jin)行(xing)調試(shi);氣(qi)象(xiang)(xiang)保障(zhang)部門開(kai)通氣(qi)象(xiang)(xiang)情報(bao)(bao)網(wang)和天氣(qi)會商網(wang),啟動氣(qi)象(xiang)(xiang)測(ce)量雷達,開(kai)始進(jin)行(xing)天氣(qi)的長、中、短期預報(bao)(bao)。
當運(yun)載(zai)(zai)火(huo)(huo)箭(jian)(jian)在技術(shu)準備區(qu)(qu)(qu)(qu)(qu)經(jing)檢查(cha)測(ce)(ce)試(shi)(shi)達到(dao)(dao)可(ke)以進(jin)行(xing)(xing)發(fa)(fa)(fa)射(she)(she)(she)(she)(she)的(de)(de)狀態后,即可(ke)轉運(yun)到(dao)(dao)發(fa)(fa)(fa)射(she)(she)(she)(she)(she)區(qu)(qu)(qu)(qu)(qu)。發(fa)(fa)(fa)射(she)(she)(she)(she)(she)區(qu)(qu)(qu)(qu)(qu)內有發(fa)(fa)(fa)射(she)(she)(she)(she)(she)臺、勤(qin)務(wu)塔和臍帶塔等(deng)主要(yao)發(fa)(fa)(fa)射(she)(she)(she)(she)(she)設施。運(yun)載(zai)(zai)火(huo)(huo)箭(jian)(jian)分級運(yun)至發(fa)(fa)(fa)射(she)(she)(she)(she)(she)區(qu)(qu)(qu)(qu)(qu)后,由勤(qin)務(wu)塔上(shang)的(de)(de)吊裝(zhuang)設備對運(yun)載(zai)(zai)火(huo)(huo)箭(jian)(jian)分級吊裝(zhuang)、對接和總裝(zhuang),并(bing)將其豎(shu)立在發(fa)(fa)(fa)射(she)(she)(she)(she)(she)臺上(shang)。隨后在豎(shu)立狀態下對運(yun)載(zai)(zai)火(huo)(huo)箭(jian)(jian)再一次進(jin)行(xing)(xing)分系統測(ce)(ce)試(shi)(shi)、系統間性能匹配測(ce)(ce)試(shi)(shi)、總檢查(cha)和發(fa)(fa)(fa)射(she)(she)(she)(she)(she)演練(lian)等(deng)。在發(fa)(fa)(fa)射(she)(she)(she)(she)(she)區(qu)(qu)(qu)(qu)(qu)測(ce)(ce)試(shi)(shi)的(de)(de)內容要(yao)比在技術(shu)區(qu)(qu)(qu)(qu)(qu)的(de)(de)測(ce)(ce)試(shi)(shi)簡(jian)化。在檢查(cha)測(ce)(ce)試(shi)(shi)工作結(jie)束后,就可(ke)向運(yun)載(zai)(zai)火(huo)(huo)箭(jian)(jian)加注(zhu)推(tui)(tui)進(jin)劑(ji),并(bing)進(jin)行(xing)(xing)瞄準定位。與此同時,地面勤(qin)務(wu)保障部(bu)門要(yao)進(jin)行(xing)(xing)推(tui)(tui)進(jin)劑(ji)化驗,確定推(tui)(tui)進(jin)劑(ji)的(de)(de)加注(zhu)參數(shu);氣象(xiang)部(bu)門要(yao)提供臨發(fa)(fa)(fa)射(she)(she)(she)(she)(she)前發(fa)(fa)(fa)射(she)(she)(she)(she)(she)場(chang)區(qu)(qu)(qu)(qu)(qu)的(de)(de)天(tian)氣情(qing)況(kuang)(kuang)及發(fa)(fa)(fa)射(she)(she)(she)(she)(she)場(chang)區(qu)(qu)(qu)(qu)(qu)上(shang)空的(de)(de)高空風場(chang)等(deng)情(qing)況(kuang)(kuang),以及火(huo)(huo)箭(jian)(jian)飛行(xing)(xing)經(jing)過(guo)地區(qu)(qu)(qu)(qu)(qu)的(de)(de)氣象(xiang)情(qing)況(kuang)(kuang)。
運(yun)載火箭發射程序
當一(yi)切準(zhun)備(bei)(bei)(bei)工作基本結束(shu)之后(hou),發(fa)(fa)射(she)工作便可進入倒(dao)(dao)計(ji)時(shi)(shi)(shi)階段。倒(dao)(dao)計(ji)時(shi)(shi)(shi)階段開始(shi)時(shi)(shi)(shi),由(you)指揮中(zhong)心向發(fa)(fa)射(she)場、火(huo)(huo)箭(jian)(jian)(jian)飛行過程(cheng)中(zhong)箭(jian)(jian)(jian)體分(fen)離后(hou)的(de)(de)落(luo)區、分(fen)布在各地的(de)(de)測控(kong)站(zhan)、遠洋測量艦隊(dui)和(he)有(you)關部(bu)門統一(yi)發(fa)(fa)布口(kou)令(ling)。各部(bu)門、各單位(wei)接到(dao)口(kou)令(ling)后(hou),根據時(shi)(shi)(shi)間(jian)(jian)統一(yi)勤務(wu)系統提供的(de)(de)統一(yi)時(shi)(shi)(shi)鐘(zhong)各自進入臨射(she)前的(de)(de)工作程(cheng)序。一(yi)般運載火(huo)(huo)箭(jian)(jian)(jian)的(de)(de)倒(dao)(dao)計(ji)時(shi)(shi)(shi)從由(you)發(fa)(fa)射(she)窗(chuang)口(kou)確定(ding)的(de)(de)發(fa)(fa)射(she)時(shi)(shi)(shi)間(jian)(jian)前1個小時(shi)(shi)(shi)開始(shi),叫做1小時(shi)(shi)(shi)準(zhun)備(bei)(bei)(bei)。然后(hou)是30分(fen)鐘(zhong)準(zhun)備(bei)(bei)(bei)、15分(fen)鐘(zhong)準(zhun)備(bei)(bei)(bei)、5分(fen)鐘(zhong)準(zhun)備(bei)(bei)(bei)、1分(fen)鐘(zhong)準(zhun)備(bei)(bei)(bei),最后(hou)是從10開始(shi)倒(dao)(dao)數至1,運載火(huo)(huo)箭(jian)(jian)(jian)點火(huo)(huo)起飛。采用低(di)溫推(tui)(tui)進劑(ji)(ji)的(de)(de)運載火(huo)(huo)箭(jian)(jian)(jian),由(you)于低(di)溫推(tui)(tui)進劑(ji)(ji)極易蒸發(fa)(fa),必須嚴格控(kong)制推(tui)(tui)進劑(ji)(ji)加注后(hou)的(de)(de)時(shi)(shi)(shi)間(jian)(jian),因此(ci)常提前到(dao)離發(fa)(fa)射(she)時(shi)(shi)(shi)間(jian)(jian)4-7小時(shi)(shi)(shi)就開始(shi)進入倒(dao)(dao)計(ji)時(shi)(shi)(shi)階段。
發(fa)(fa)(fa)射(she)(she)工(gong)作(zuo)進入1小時(shi)準(zhun)備后,發(fa)(fa)(fa)射(she)(she)場的(de)(de)各項(xiang)工(gong)作(zuo)均按時(shi)間(jian)程(cheng)序(xu)(xu)由地(di)面(mian)(mian)測(ce)(ce)試發(fa)(fa)(fa)射(she)(she)控制設備來操作(zuo),它可(ke)(ke)以(yi)是半(ban)自(zi)動(dong)的(de)(de),也可(ke)(ke)以(yi)是全(quan)(quan)自(zi)動(dong)的(de)(de)。在(zai)(zai)這段時(shi)間(jian)的(de)(de)準(zhun)備過程(cheng)中(zhong),主要的(de)(de)工(gong)作(zuo)有(you):對(dui)(dui)箭(jian)(jian)上系(xi)(xi)統(tong)(tong)通電(dian)(dian)以(yi)進行射(she)(she)前(qian)功能檢查,對(dui)(dui)火(huo)箭(jian)(jian)裝(zhuang)訂飛行程(cheng)序(xu)(xu)和數據,進行精確瞄準(zhun),對(dui)(dui)推(tui)進劑貯箱進行增(zeng)壓,對(dui)(dui)采用(yong)低(di)溫推(tui)進劑的(de)(de)火(huo)箭(jian)(jian)補加推(tui)進劑,氣路連(lian)接(jie)(jie)器、加注連(lian)接(jie)(jie)器自(zi)動(dong)脫開(kai),遙測(ce)(ce)系(xi)(xi)統(tong)(tong)、外測(ce)(ce)系(xi)(xi)統(tong)(tong)的(de)(de)連(lian)接(jie)(jie)插頭自(zi)動(dong)脫落。到1分(fen)鐘(zhong)準(zhun)備時(shi),箭(jian)(jian)上系(xi)(xi)統(tong)(tong)由地(di)面(mian)(mian)供電(dian)(dian)轉為由箭(jian)(jian)上電(dian)(dian)池供電(dian)(dian),經10秒鐘(zhong)自(zi)檢正常后,電(dian)(dian)纜連(lian)接(jie)(jie)器自(zi)動(dong)脫落,電(dian)(dian)纜擺(bai)桿(gan)離開(kai)運載(zai)火(huo)箭(jian)(jian)擺(bai)到預定位(wei)置(zhi)。這時(shi)運載(zai)火(huo)箭(jian)(jian)除(chu)底部(bu)只有(you)一個經脫拔插頭連(lian)接(jie)(jie)的(de)(de)電(dian)(dian)纜尚(shang)與地(di)面(mian)(mian)連(lian)接(jie)(jie)外,其他一切與地(di)面(mian)(mian)連(lian)接(jie)(jie)的(de)(de)插頭均已完(wan)全(quan)(quan)脫開(kai)。射(she)(she)前(qian)30秒鐘(zhong),發(fa)(fa)(fa)射(she)(she)場的(de)(de)測(ce)(ce)控系(xi)(xi)統(tong)(tong)與各地(di)測(ce)(ce)控跟蹤站開(kai)始啟動(dong);射(she)(she)前(qian)7秒鐘(zhong),發(fa)(fa)(fa)射(she)(she)臺周圍的(de)(de)高(gao)速攝影機開(kai)拍(pai),開(kai)始記錄火(huo)箭(jian)(jian)點火(huo)起飛的(de)(de)實況;到0秒時(shi)火(huo)箭(jian)(jian)點火(huo)。當(dang)火(huo)箭(jian)(jian)離開(kai)發(fa)(fa)(fa)射(she)(she)臺時(shi),底部(bu)唯一尚(shang)連(lian)接(jie)(jie)著的(de)(de)電(dian)(dian)纜脫拔插頭被(bei)拉脫,火(huo)箭(jian)(jian)與地(di)面(mian)(mian)的(de)(de)有(you)線控制完(wan)全(quan)(quan)中(zhong)斷。但如果在(zai)(zai)火(huo)箭(jian)(jian)點火(huo)尚(shang)未離開(kai)發(fa)(fa)(fa)射(she)(she)臺前(qian),發(fa)(fa)(fa)現火(huo)箭(jian)(jian)發(fa)(fa)(fa)動(dong)機工(gong)作(zuo)不正常,地(di)面(mian)(mian)可(ke)(ke)通過這根電(dian)(dian)纜對(dui)(dui)火(huo)箭(jian)(jian)實施緊急(ji)關(guan)機。
火(huo)(huo)箭起飛(fei)后,在控制系統的(de)控制下,分別完成(cheng)程序轉彎、助推(tui)器脫落、上面(mian)級(ji)火(huo)(huo)箭的(de)點火(huo)(huo)與(yu)關(guan)機(ji)、級(ji)間分離和(he)整流罩分離等;當(dang)火(huo)(huo)箭到達入(ru)軌點時(shi),有效載(zai)荷(he)與(yu)火(huo)(huo)箭分離、進入(ru)預(yu)定軌道運(yun)行,這時(shi),運(yun)載(zai)火(huo)(huo)箭的(de)發(fa)射(she)工(gong)作完滿結束。
按級(ji)(ji)(ji)數來分(fen),可分(fen)為單級(ji)(ji)(ji)火(huo)箭(jian)、多(duo)級(ji)(ji)(ji)火(huo)箭(jian)兩種類(lei)型。由(you)于單級(ji)(ji)(ji)火(huo)箭(jian)在(zai)實際(ji)應用(yong)上很難實現宇宙飛(fei)行所必需的(de)宇宙速度,因此(ci)需要(yao)采用(yong)多(duo)級(ji)(ji)(ji)火(huo)箭(jian)來解(jie)決這一(yi)問題。多(duo)級(ji)(ji)(ji)火(huo)箭(jian)的(de)一(yi)子(zi)級(ji)(ji)(ji)在(zai)發射(she)點火(huo)后(hou)就開(kai)始工作(zuo),工作(zuo)結束(shu)后(hou)與整個火(huo)箭(jian)分(fen)離,再由(you)二子(zi)級(ji)(ji)(ji)繼(ji)續將有(you)效載(zai)荷推(tui)向太空,以此(ci)類(lei)推(tui),直至把有(you)效載(zai)荷送入(ru)預定軌道。多(duo)級(ji)(ji)(ji)火(huo)箭(jian)一(yi)般(ban)由(you)2-4級(ji)(ji)(ji)組成(cheng),有(you)串(chuan)聯、并(bing)聯和串(chuan)-并(bing)聯三種聯接方式。
按動力能源
按動力能(neng)(neng)(neng)源分為化學能(neng)(neng)(neng)火(huo)(huo)箭(jian)(jian)(jian)、電能(neng)(neng)(neng)火(huo)(huo)箭(jian)(jian)(jian)、核能(neng)(neng)(neng)火(huo)(huo)箭(jian)(jian)(jian)、太陽(yang)能(neng)(neng)(neng)火(huo)(huo)箭(jian)(jian)(jian)及光子火(huo)(huo)箭(jian)(jian)(jian)等。目(mu)前最常用的(de)(de)是(shi)(shi)化學能(neng)(neng)(neng)火(huo)(huo)箭(jian)(jian)(jian),它又分為液(ye)體推(tui)(tui)進劑(ji)火(huo)(huo)箭(jian)(jian)(jian)、固(gu)體推(tui)(tui)進劑(ji)火(huo)(huo)箭(jian)(jian)(jian)和(he)固(gu)-液(ye)混合推(tui)(tui)進劑(ji)火(huo)(huo)箭(jian)(jian)(jian)。作為新能(neng)(neng)(neng)源火(huo)(huo)箭(jian)(jian)(jian)的(de)(de)代表,核能(neng)(neng)(neng)火(huo)(huo)箭(jian)(jian)(jian)的(de)(de)優(you)點(dian)是(shi)(shi)其發動機(ji)比沖比化學能(neng)(neng)(neng)火(huo)(huo)箭(jian)(jian)(jian)的(de)(de)高,而(er)推(tui)(tui)進劑(ji)只(zhi)有(you)一種(zhong),簡(jian)化了(le)火(huo)(huo)箭(jian)(jian)(jian)結(jie)構,適合執行(xing)長時間任務或星際任務。
按(an)用(yong)途分為(wei)探空(kong)火(huo)(huo)箭(jian)(jian)(jian)(jian)(jian)和運載火(huo)(huo)箭(jian)(jian)(jian)(jian)(jian)。探空(kong)火(huo)(huo)箭(jian)(jian)(jian)(jian)(jian)指在近太空(kong)進行探測、科學試(shi)驗(yan)的火(huo)(huo)箭(jian)(jian)(jian)(jian)(jian),一般(ban)不設控制系統,是30~200千米(mi)高(gao)空(kong)的有效探測工具(ju)。探空(kong)火(huo)(huo)箭(jian)(jian)(jian)(jian)(jian)還(huan)可按(an)研(yan)究對象(xiang)或(huo)用(yong)途分翔如地球物理火(huo)(huo)箭(jian)(jian)(jian)(jian)(jian)、氣(qi)象(xiang)火(huo)(huo)箭(jian)(jian)(jian)(jian)(jian)、生物火(huo)(huo)箭(jian)(jian)(jian)(jian)(jian)、技術試(shi)驗(yan)火(huo)(huo)箭(jian)(jian)(jian)(jian)(jian)和防雹火(huo)(huo)箭(jian)(jian)(jian)(jian)(jian)等。運載火(huo)(huo)箭(jian)(jian)(jian)(jian)(jian)又分為(wei)衛星運載火(huo)(huo)箭(jian)(jian)(jian)(jian)(jian)和載人運載火(huo)(huo)箭(jian)(jian)(jian)(jian)(jian)。
按控制形式
按控制形式分為有控火(huo)(huo)箭和無控火(huo)(huo)箭。
按運載能力
按運載(zai)能力分為小型火(huo)箭、中型火(huo)箭、大型火(huo)箭和重(zhong)型火(huo)箭。
按(an)軌(gui)道(dao)(dao)分為近地軌(gui)道(dao)(dao)火箭、太陽同步軌(gui)道(dao)(dao)火箭、地球同步軌(gui)道(dao)(dao)火箭及(ji)月(yue)球軌(gui)道(dao)(dao)火箭等。
按可否重復使用
按(an)可否(fou)重(zhong)復(fu)使用(yong)分(fen)為一次(ci)性使用(yong)火箭、部分(fen)重(zhong)復(fu)使用(yong)火箭和完全重(zhong)復(fu)使用(yong)火箭等(deng)。
由(you)中國(guo)(guo)(guo)航(hang)(hang)(hang)天(tian)(tian)科(ke)(ke)技(ji)集團有(you)(you)限公司自(zi)主(zhu)研制的(de)(de)(de)(de)長(chang)(chang)(chang)征(zheng)系(xi)列(lie)(lie)(lie)運(yun)載(zai)火(huo)(huo)(huo)箭(jian)(jian),承擔了我國(guo)(guo)(guo)96.4%的(de)(de)(de)(de)發(fa)(fa)(fa)(fa)射(she)(she)(she)(she)(she)(she)任務(wu),發(fa)(fa)(fa)(fa)射(she)(she)(she)(she)(she)(she)航(hang)(hang)(hang)天(tian)(tian)器總質量占中國(guo)(guo)(guo)發(fa)(fa)(fa)(fa)射(she)(she)(she)(she)(she)(she)總質量的(de)(de)(de)(de)99.2%。從(cong)1970年(nian)首(shou)飛(fei)至今(jin),長(chang)(chang)(chang)征(zheng)系(xi)列(lie)(lie)(lie)運(yun)載(zai)火(huo)(huo)(huo)箭(jian)(jian)先(xian)后有(you)(you)17型基礎級火(huo)(huo)(huo)箭(jian)(jian)和(he)5型上(shang)面級投入(ru)(ru)(ru)使(shi)用,成(cheng)(cheng)功(gong)將500多(duo)個(ge)航(hang)(hang)(hang)天(tian)(tian)器送入(ru)(ru)(ru)預(yu)定軌(gui)道,實現了從(cong)無到(dao)(dao)有(you)(you),從(cong)串聯到(dao)(dao)捆綁,從(cong)一(yi)(yi)(yi)(yi)箭(jian)(jian)一(yi)(yi)(yi)(yi)星到(dao)(dao)一(yi)(yi)(yi)(yi)箭(jian)(jian)多(duo)星,從(cong)發(fa)(fa)(fa)(fa)射(she)(she)(she)(she)(she)(she)衛星到(dao)(dao)發(fa)(fa)(fa)(fa)射(she)(she)(she)(she)(she)(she)載(zai)人(ren)(ren)飛(fei)船和(he)月球探測(ce)(ce)器,從(cong)現役(yi)運(yun)載(zai)火(huo)(huo)(huo)箭(jian)(jian)到(dao)(dao)新(xin)一(yi)(yi)(yi)(yi)代運(yun)載(zai)火(huo)(huo)(huo)箭(jian)(jian)等一(yi)(yi)(yi)(yi)系(xi)列(lie)(lie)(lie)重大跨(kua)越,具(ju)備了發(fa)(fa)(fa)(fa)射(she)(she)(she)(she)(she)(she)低(di)、中、高(gao)(gao)(gao)不(bu)同軌(gui)道、不(bu)同類型載(zai)荷的(de)(de)(de)(de)能(neng)(neng)力(li),運(yun)載(zai)能(neng)(neng)力(li)和(he)入(ru)(ru)(ru)軌(gui)精度均處(chu)于世界(jie)先(xian)進水平,已成(cheng)(cheng)為(wei)中國(guo)(guo)(guo)第(di)一(yi)(yi)(yi)(yi)、世界(jie)知名、在國(guo)(guo)(guo)際高(gao)(gao)(gao)科(ke)(ke)技(ji)產業具(ju)有(you)(you)自(zi)主(zhu)知識產權(quan)的(de)(de)(de)(de)品牌(pai)。多(duo)年(nian)來,長(chang)(chang)(chang)征(zheng)系(xi)列(lie)(lie)(lie)運(yun)載(zai)火(huo)(huo)(huo)箭(jian)(jian)有(you)(you)力(li)支撐(cheng)保障了我國(guo)(guo)(guo)載(zai)人(ren)(ren)航(hang)(hang)(hang)天(tian)(tian)、月球探測(ce)(ce)、北斗衛星導航(hang)(hang)(hang)、高(gao)(gao)(gao)分(fen)辨(bian)率(lv)對地觀測(ce)(ce)系(xi)統等一(yi)(yi)(yi)(yi)系(xi)列(lie)(lie)(lie)重大工程任務(wu)的(de)(de)(de)(de)成(cheng)(cheng)功(gong)實施(shi),為(wei)推動(dong)相關領域發(fa)(fa)(fa)(fa)展(zhan),加快(kuai)科(ke)(ke)技(ji)強(qiang)國(guo)(guo)(guo)和(he)航(hang)(hang)(hang)天(tian)(tian)強(qiang)國(guo)(guo)(guo)建設打下了堅實基礎。據統計(ji),長(chang)(chang)(chang)征(zheng)火(huo)(huo)(huo)箭(jian)(jian)300次(ci)發(fa)(fa)(fa)(fa)射(she)(she)(she)(she)(she)(she)的(de)(de)(de)(de)成(cheng)(cheng)功(gong)率(lv)約為(wei)96%。與前50次(ci)發(fa)(fa)(fa)(fa)射(she)(she)(she)(she)(she)(she)相比(bi),后250次(ci)發(fa)(fa)(fa)(fa)射(she)(she)(she)(she)(she)(she)的(de)(de)(de)(de)成(cheng)(cheng)功(gong)率(lv)明顯提升且趨于穩定。在第(di)三個(ge)100次(ci)發(fa)(fa)(fa)(fa)射(she)(she)(she)(she)(she)(she)中,長(chang)(chang)(chang)征(zheng)火(huo)(huo)(huo)箭(jian)(jian)共將225顆航(hang)(hang)(hang)天(tian)(tian)器送入(ru)(ru)(ru)預(yu)定軌(gui)道,發(fa)(fa)(fa)(fa)射(she)(she)(she)(she)(she)(she)成(cheng)(cheng)功(gong)率(lv)高(gao)(gao)(gao)達97%,居世界(jie)領先(xian)地位(wei)。2018年(nian),長(chang)(chang)(chang)征(zheng)火(huo)(huo)(huo)箭(jian)(jian)年(nian)發(fa)(fa)(fa)(fa)射(she)(she)(she)(she)(she)(she)連(lian)續成(cheng)(cheng)功(gong)次(ci)數達到(dao)(dao)37次(ci),首(shou)次(ci)獨居世界(jie)航(hang)(hang)(hang)天(tian)(tian)發(fa)(fa)(fa)(fa)射(she)(she)(she)(she)(she)(she)次(ci)數年(nian)度第(di)一(yi)(yi)(yi)(yi)位(wei),在近20年(nian)世界(jie)各(ge)國(guo)(guo)(guo)航(hang)(hang)(hang)天(tian)(tian)發(fa)(fa)(fa)(fa)射(she)(she)(she)(she)(she)(she)史中,是(shi)連(lian)續成(cheng)(cheng)功(gong)發(fa)(fa)(fa)(fa)射(she)(she)(she)(she)(she)(she)次(ci)數最高(gao)(gao)(gao)的(de)(de)(de)(de)一(yi)(yi)(yi)(yi)年(nian),創(chuang)造了世界(jie)航(hang)(hang)(hang)天(tian)(tian)發(fa)(fa)(fa)(fa)射(she)(she)(she)(she)(she)(she)的(de)(de)(de)(de)新(xin)紀錄。
歐(ou)空(kong)局研制的運(yun)載火(huo)箭(jian)(jian)(jian)系列(lie)。由(you)歐(ou)洲(zhou)11個國家組成(cheng)的歐(ou)空(kong)局于1973年開始研制,迄今(jin)(jin)已發(fa)(fa)展了阿(a)(a)里(li)(li)(li)安(an)(an)1~5五種型(xing)別。目前使用(yong)(yong)(yong)最(zui)多的是阿(a)(a)里(li)(li)(li)安(an)(an)5火(huo)箭(jian)(jian)(jian)。阿(a)(a)里(li)(li)(li)安(an)(an)5火(huo)箭(jian)(jian)(jian)于1988年1月開始研制,1996年6月首次飛行,迄今(jin)(jin)為止,研制并投入使用(yong)(yong)(yong)的有阿(a)(a)里(li)(li)(li)安(an)(an)5G、5GS、5ECA、5ES等型(xing)號(hao),起飛質(zhi)量為746~480噸(dun),起飛推(tui)(tui)力為11400~13000kN,可用(yong)(yong)(yong)于向地(di)(di)球同(tong)(tong)步(bu)轉(zhuan)(zhuan)移(yi)(yi)軌(gui)(gui)道、太陽(yang)同(tong)(tong)步(bu)軌(gui)(gui)道、中低(di)軌(gui)(gui)道以及(ji)飛離地(di)(di)球軌(gui)(gui)道發(fa)(fa)射各類衛星和航天器(qi)(qi),同(tong)(tong)時也可執行一(yi)箭(jian)(jian)(jian)多星發(fa)(fa)射任務,曾發(fa)(fa)射過天網、SYRACUSE等軍(jun)用(yong)(yong)(yong)通信(xin)衛星。阿(a)(a)里(li)(li)(li)安(an)(an)5為兩級(ji)(ji)(ji)液體火(huo)箭(jian)(jian)(jian),一(yi)子(zi)(zi)級(ji)(ji)(ji)采用(yong)(yong)(yong)液氫、液氧推(tui)(tui)進劑,二(er)子(zi)(zi)級(ji)(ji)(ji)采用(yong)(yong)(yong)四(si)氧化二(er)氮、一(yi)甲基(ji)肼或液氧/液氫推(tui)(tui)進劑,在(zai)一(yi)子(zi)(zi)級(ji)(ji)(ji)周圍(wei)捆綁(bang)了2枚(mei)大型(xing)固(gu)體助(zhu)推(tui)(tui)器(qi)(qi)。目前在(zai)用(yong)(yong)(yong)的火(huo)箭(jian)(jian)(jian)型(xing)號(hao)主(zhu)(zhu)要有阿(a)(a)里(li)(li)(li)安(an)(an)5GS、5ECA、5ES。阿(a)(a)里(li)(li)(li)安(an)(an)5GS低(di)溫(wen)主(zhu)(zhu)級(ji)(ji)(ji)采用(yong)(yong)(yong)火(huo)神(shen)發(fa)(fa)動(dong)機(ji),上面(mian)級(ji)(ji)(ji)采用(yong)(yong)(yong)可重復點火(huo)常溫(wen)推(tui)(tui)進劑發(fa)(fa)動(dong)機(ji),地(di)(di)球同(tong)(tong)步(bu)轉(zhuan)(zhuan)移(yi)(yi)軌(gui)(gui)道運(yun)載能力達(da)到(dao)(dao)6.5噸(dun)。阿(a)(a)里(li)(li)(li)安(an)(an)5ECA采用(yong)(yong)(yong)改進的火(huo)神(shen)2低(di)溫(wen)推(tui)(tui)進劑發(fa)(fa)動(dong)機(ji),二(er)子(zi)(zi)級(ji)(ji)(ji)改用(yong)(yong)(yong)低(di)溫(wen)上面(mian)級(ji)(ji)(ji),使地(di)(di)球同(tong)(tong)步(bu)轉(zhuan)(zhuan)移(yi)(yi)軌(gui)(gui)道運(yun)載能力提(ti)高到(dao)(dao)10.5噸(dun)。阿(a)(a)里(li)(li)(li)安(an)(an)5ES火(huo)箭(jian)(jian)(jian)主(zhu)(zhu)要用(yong)(yong)(yong)于發(fa)(fa)射歐(ou)洲(zhou)自動(dong)轉(zhuan)(zhuan)移(yi)(yi)飛行器(qi)(qi)(ATV),近地(di)(di)軌(gui)(gui)道運(yun)載能力為21噸(dun)。
日(ri)本研(yan)制(zhi)(zhi)的(de)(de)(de)(de)(de)(de)運(yun)載(zai)(zai)火(huo)(huo)箭系列。研(yan)制(zhi)(zhi)始于(yu)(yu)1981年(nian),迄今(jin)已(yi)發(fa)(fa)(fa)(fa)(fa)(fa)展(zhan)了H-1、H-2、H-2A等(deng)多種型(xing)(xing)號(hao),目(mu)(mu)前(qian)(qian)正(zheng)(zheng)在(zai)研(yan)制(zhi)(zhi)H-2B火(huo)(huo)箭,用(yong)(yong)(yong)(yong)于(yu)(yu)發(fa)(fa)(fa)(fa)(fa)(fa)射(she)H-2轉(zhuan)(zhuan)移(yi)飛(fei)行(xing)器(qi)(HTV)。H-1火(huo)(huo)箭的(de)(de)(de)(de)(de)(de)地(di)(di)球(qiu)同(tong)(tong)步(bu)轉(zhuan)(zhuan)移(yi)軌(gui)道(dao)運(yun)載(zai)(zai)能(neng)力為(wei)1.1噸(dun)(dun)(dun),由(you)于(yu)(yu)使用(yong)(yong)(yong)(yong)了美國(guo)(guo)技術,只允許(xu)用(yong)(yong)(yong)(yong)來發(fa)(fa)(fa)(fa)(fa)(fa)射(she)日(ri)本國(guo)(guo)內衛(wei)星(xing)(xing)(xing),1988年(nian)投入使用(yong)(yong)(yong)(yong),1992年(nian)退役。H-2火(huo)(huo)箭是日(ri)本獨立研(yan)制(zhi)(zhi)的(de)(de)(de)(de)(de)(de)首枚(mei)大(da)型(xing)(xing)兩級捆(kun)綁式液體(ti)運(yun)載(zai)(zai)火(huo)(huo)箭,主(zhu)要用(yong)(yong)(yong)(yong)于(yu)(yu)發(fa)(fa)(fa)(fa)(fa)(fa)射(she)1~2噸(dun)(dun)(dun)級的(de)(de)(de)(de)(de)(de)地(di)(di)球(qiu)同(tong)(tong)步(bu)軌(gui)道(dao)衛(wei)星(xing)(xing)(xing),于(yu)(yu)1994年(nian)開始首飛(fei),由(you)于(yu)(yu)成本高、可(ke)靠性差以(yi)及操作(zuo)復(fu)雜(za)等(deng)問題,1999被停止使用(yong)(yong)(yong)(yong)。目(mu)(mu)前(qian)(qian)在(zai)用(yong)(yong)(yong)(yong)的(de)(de)(de)(de)(de)(de)是以(yi)H-2為(wei)基礎進行(xing)了較大(da)的(de)(de)(de)(de)(de)(de)改進的(de)(de)(de)(de)(de)(de)H-2A火(huo)(huo)箭系列,有(you)標準型(xing)(xing)(H2A202、H2A2022、H2A2024)和增強型(xing)(xing)(H2A204),均為(wei)二(er)級火(huo)(huo)箭,一(yi)、二(er)子(zi)級使用(yong)(yong)(yong)(yong)液氧/液氫推進劑,通(tong)過模(mo)塊(kuai)化設計,采用(yong)(yong)(yong)(yong)相同(tong)(tong)火(huo)(huo)箭結構模(mo)塊(kuai)的(de)(de)(de)(de)(de)(de)不(bu)同(tong)(tong)配置(zhi)來組成不(bu)同(tong)(tong)火(huo)(huo)箭型(xing)(xing)號(hao),最大(da)近地(di)(di)軌(gui)道(dao)運(yun)載(zai)(zai)能(neng)力為(wei)10噸(dun)(dun)(dun),最大(da)地(di)(di)球(qiu)同(tong)(tong)步(bu)轉(zhuan)(zhuan)移(yi)軌(gui)道(dao)的(de)(de)(de)(de)(de)(de)運(yun)載(zai)(zai)能(neng)力為(wei)6噸(dun)(dun)(dun),用(yong)(yong)(yong)(yong)于(yu)(yu)日(ri)本政府軍(jun)用(yong)(yong)(yong)(yong)和民用(yong)(yong)(yong)(yong)有(you)效(xiao)載(zai)(zai)荷的(de)(de)(de)(de)(de)(de)發(fa)(fa)(fa)(fa)(fa)(fa)射(she),包括地(di)(di)球(qiu)同(tong)(tong)步(bu)軌(gui)道(dao)通(tong)信衛(wei)星(xing)(xing)(xing)、偵察衛(wei)星(xing)(xing)(xing)、月球(qiu)探測器(qi)和星(xing)(xing)(xing)際探測器(qi)等(deng),同(tong)(tong)時(shi)承攬國(guo)(guo)際商業發(fa)(fa)(fa)(fa)(fa)(fa)射(she)服務。日(ri)本正(zheng)(zheng)在(zai)H-2A火(huo)(huo)箭的(de)(de)(de)(de)(de)(de)基礎上發(fa)(fa)(fa)(fa)(fa)(fa)展(zhan)更大(da)的(de)(de)(de)(de)(de)(de)H-2B火(huo)(huo)箭,其一(yi)子(zi)級直徑從4米增加(jia)到(dao)5米,主(zhu)發(fa)(fa)(fa)(fa)(fa)(fa)動機增加(jia)到(dao)2臺,可(ke)用(yong)(yong)(yong)(yong)于(yu)(yu)發(fa)(fa)(fa)(fa)(fa)(fa)射(she)有(you)效(xiao)載(zai)(zai)荷質量為(wei)16.5噸(dun)(dun)(dun)的(de)(de)(de)(de)(de)(de)HTV,向國(guo)(guo)際空間站運(yun)送貨物,也可(ke)將質量8噸(dun)(dun)(dun)的(de)(de)(de)(de)(de)(de)其他類型(xing)(xing)有(you)效(xiao)載(zai)(zai)荷送入地(di)(di)球(qiu)同(tong)(tong)步(bu)轉(zhuan)(zhuan)移(yi)軌(gui)道(dao)。
蘇聯/俄羅斯研(yan)制的(de)(de)第一(yi)種非導彈衍生的(de)(de)運(yun)載(zai)(zai)火(huo)箭(jian)。是(shi)專為航天任(ren)務設計的(de)(de)大(da)型(xing)(xing)(xing)(xing)(xing)運(yun)載(zai)(zai)器(qi),包括二(er)(er)級(ji)(ji)(ji)(ji)(ji)型(xing)(xing)(xing)(xing)(xing)、三(san)級(ji)(ji)(ji)(ji)(ji)型(xing)(xing)(xing)(xing)(xing)和(he)(he)四級(ji)(ji)(ji)(ji)(ji)型(xing)(xing)(xing)(xing)(xing),于(yu)(yu)(yu)1965年(nian)進(jin)行首飛,曾(ceng)發(fa)射(she)了“熒光屏”、“彩虹”、“地(di)平線”系列通信衛(wei)星、格洛納斯(GLONSS)軍民(min)兩用(yong)(yong)(yong)(yong)導航衛(wei)星及(ji)“月(yue)球(qiu)(qiu)(qiu)”、“金星”、“火(huo)星”等探(tan)測器(qi),執(zhi)行過月(yue)面采(cai)樣返回和(he)(he)金星表面軟著(zhu)陸(lu)任(ren)務。二(er)(er)級(ji)(ji)(ji)(ji)(ji)型(xing)(xing)(xing)(xing)(xing)質(zhi)(zhi)子(zi)(zi)(zi)號(hao)(hao)(hao)1961年(nian)開(kai)始研(yan)制,采(cai)用(yong)(yong)(yong)(yong)四氧(yang)化(hua)二(er)(er)氮(dan)及(ji)偏二(er)(er)甲(jia)肼推進(jin)劑(ji),用(yong)(yong)(yong)(yong)于(yu)(yu)(yu)發(fa)射(she)大(da)型(xing)(xing)(xing)(xing)(xing)月(yue)球(qiu)(qiu)(qiu)探(tan)測器(qi)、星際(ji)探(tan)測器(qi)、空(kong)間站艙件和(he)(he)地(di)球(qiu)(qiu)(qiu)同步軌(gui)(gui)(gui)道(dao)衛(wei)星,能(neng)(neng)(neng)把(ba)12.5噸有(you)效(xiao)(xiao)載(zai)(zai)荷(he)(he)送入(ru)近地(di)軌(gui)(gui)(gui)道(dao)。三(san)級(ji)(ji)(ji)(ji)(ji)型(xing)(xing)(xing)(xing)(xing)由二(er)(er)級(ji)(ji)(ji)(ji)(ji)型(xing)(xing)(xing)(xing)(xing)火(huo)箭(jian)加(jia)上(shang)一(yi)個液體(ti)三(san)子(zi)(zi)(zi)級(ji)(ji)(ji)(ji)(ji)構(gou)成(cheng),主(zhu)(zhu)要(yao)用(yong)(yong)(yong)(yong)于(yu)(yu)(yu)發(fa)射(she)蘇聯空(kong)間站與量(liang)子(zi)(zi)(zi)號(hao)(hao)(hao)、晶(jing)體(ti)號(hao)(hao)(hao)及(ji)宇(yu)宙號(hao)(hao)(hao)空(kong)間站艙,能(neng)(neng)(neng)把(ba)21噸的(de)(de)有(you)效(xiao)(xiao)載(zai)(zai)荷(he)(he)送入(ru)近地(di)軌(gui)(gui)(gui)道(dao)。目(mu)(mu)前(qian)使用(yong)(yong)(yong)(yong)的(de)(de)主(zhu)(zhu)要(yao)是(shi)四級(ji)(ji)(ji)(ji)(ji)型(xing)(xing)(xing)(xing)(xing)質(zhi)(zhi)子(zi)(zi)(zi)號(hao)(hao)(hao)K/DM和(he)(he)質(zhi)(zhi)子(zi)(zi)(zi)號(hao)(hao)(hao)M/微(wei)(wei)風M兩種型(xing)(xing)(xing)(xing)(xing)號(hao)(hao)(hao)火(huo)箭(jian),是(shi)在三(san)級(ji)(ji)(ji)(ji)(ji)型(xing)(xing)(xing)(xing)(xing)火(huo)箭(jian)的(de)(de)基(ji)礎(chu)上(shang)增加(jia)上(shang)面級(ji)(ji)(ji)(ji)(ji)Block DM 和(he)(he)微(wei)(wei)風M構(gou)成(cheng),Block DM采(cai)用(yong)(yong)(yong)(yong)液氧(yang)和(he)(he)煤油推進(jin)劑(ji),微(wei)(wei)風M采(cai)用(yong)(yong)(yong)(yong)四氧(yang)化(hua)二(er)(er)氮(dan)和(he)(he)偏二(er)(er)甲(jia)肼推進(jin)劑(ji)。質(zhi)(zhi)子(zi)(zi)(zi)號(hao)(hao)(hao)K/DM主(zhu)(zhu)要(yao)用(yong)(yong)(yong)(yong)于(yu)(yu)(yu)發(fa)射(she)政(zheng)府的(de)(de)有(you)效(xiao)(xiao)載(zai)(zai)荷(he)(he),地(di)球(qiu)(qiu)(qiu)同步轉移軌(gui)(gui)(gui)道(dao)運(yun)載(zai)(zai)能(neng)(neng)(neng)力(li)(li)(li)覆蓋(gai)2.75-4.35噸,月(yue)球(qiu)(qiu)(qiu)軌(gui)(gui)(gui)道(dao)的(de)(de)運(yun)載(zai)(zai)能(neng)(neng)(neng)力(li)(li)(li)達到(dao)6.2噸。質(zhi)(zhi)子(zi)(zi)(zi)號(hao)(hao)(hao)M/微(wei)(wei)風M火(huo)箭(jian)主(zhu)(zhu)要(yao)用(yong)(yong)(yong)(yong)于(yu)(yu)(yu)國際(ji)商業發(fa)射(she)服務,同時也可(ke)執(zhi)行政(zheng)府的(de)(de)發(fa)射(she)任(ren)務,是(shi)目(mu)(mu)前(qian)質(zhi)(zhi)子(zi)(zi)(zi)號(hao)(hao)(hao)火(huo)箭(jian)中運(yun)載(zai)(zai)能(neng)(neng)(neng)力(li)(li)(li)最大(da)的(de)(de)型(xing)(xing)(xing)(xing)(xing)號(hao)(hao)(hao),地(di)球(qiu)(qiu)(qiu)同步轉移軌(gui)(gui)(gui)道(dao)運(yun)載(zai)(zai)能(neng)(neng)(neng)力(li)(li)(li)達到(dao)6.2噸,地(di)球(qiu)(qiu)(qiu)同步軌(gui)(gui)(gui)道(dao)運(yun)載(zai)(zai)能(neng)(neng)(neng)力(li)(li)(li)達到(dao)2.92噸。
蘇(su)聯(lian)(lian)/俄羅斯的(de)(de)聯(lian)(lian)盟(meng)(meng)(meng)(meng)號(hao)(hao)(hao)(hao)(hao)(hao)(hao)(hao)(hao)火(huo)(huo)(huo)(huo)箭(jian)(jian)(jian)系列(lie)是(shi)世界上(shang)歷史最久、發(fa)(fa)射(she)(she)次數最多的(de)(de)多用途運(yun)(yun)(yun)載(zai)火(huo)(huo)(huo)(huo)箭(jian)(jian)(jian)。前(qian)蘇(su)聯(lian)(lian)以戰(zhan)略(lve)導彈為(wei)(wei)基礎(chu)發(fa)(fa)展了(le)東方號(hao)(hao)(hao)(hao)(hao)(hao)(hao)(hao)(hao)運(yun)(yun)(yun)載(zai)火(huo)(huo)(huo)(huo)箭(jian)(jian)(jian),后續(xu)又發(fa)(fa)展了(le)聯(lian)(lian)盟(meng)(meng)(meng)(meng)號(hao)(hao)(hao)(hao)(hao)(hao)(hao)(hao)(hao)火(huo)(huo)(huo)(huo)箭(jian)(jian)(jian),現(xian)已(yi)發(fa)(fa)展了(le)上(shang)升號(hao)(hao)(hao)(hao)(hao)(hao)(hao)(hao)(hao)、閃電(dian)(dian)號(hao)(hao)(hao)(hao)(hao)(hao)(hao)(hao)(hao)、聯(lian)(lian)盟(meng)(meng)(meng)(meng)號(hao)(hao)(hao)(hao)(hao)(hao)(hao)(hao)(hao)、聯(lian)(lian)盟(meng)(meng)(meng)(meng)U、聯(lian)(lian)盟(meng)(meng)(meng)(meng)號(hao)(hao)(hao)(hao)(hao)(hao)(hao)(hao)(hao)U/伊(yi)卡(ka)爾、聯(lian)(lian)盟(meng)(meng)(meng)(meng)號(hao)(hao)(hao)(hao)(hao)(hao)(hao)(hao)(hao)U/弗(fu)雷蓋特(te)、聯(lian)(lian)盟(meng)(meng)(meng)(meng)號(hao)(hao)(hao)(hao)(hao)(hao)(hao)(hao)(hao)FG、聯(lian)(lian)盟(meng)(meng)(meng)(meng)號(hao)(hao)(hao)(hao)(hao)(hao)(hao)(hao)(hao)2等10余個型號(hao)(hao)(hao)(hao)(hao)(hao)(hao)(hao)(hao),最大(da)近(jin)(jin)地(di)(di)軌(gui)道(dao)(dao)運(yun)(yun)(yun)載(zai)能(neng)力(li)為(wei)(wei)8.2噸(dun)(dun)(dun),太(tai)陽同步(bu)軌(gui)道(dao)(dao)運(yun)(yun)(yun)載(zai)能(neng)力(li)為(wei)(wei)4.8噸(dun)(dun)(dun),地(di)(di)球同步(bu)轉(zhuan)移軌(gui)道(dao)(dao)運(yun)(yun)(yun)載(zai)能(neng)力(li)為(wei)(wei)2.4噸(dun)(dun)(dun)。目(mu)前(qian)主要使用的(de)(de)是(shi)聯(lian)(lian)盟(meng)(meng)(meng)(meng)號(hao)(hao)(hao)(hao)(hao)(hao)(hao)(hao)(hao)U、閃電(dian)(dian)號(hao)(hao)(hao)(hao)(hao)(hao)(hao)(hao)(hao)M、聯(lian)(lian)盟(meng)(meng)(meng)(meng)號(hao)(hao)(hao)(hao)(hao)(hao)(hao)(hao)(hao)FG和聯(lian)(lian)盟(meng)(meng)(meng)(meng)號(hao)(hao)(hao)(hao)(hao)(hao)(hao)(hao)(hao)2火(huo)(huo)(huo)(huo)箭(jian)(jian)(jian)。聯(lian)(lian)盟(meng)(meng)(meng)(meng)號(hao)(hao)(hao)(hao)(hao)(hao)(hao)(hao)(hao)U和聯(lian)(lian)盟(meng)(meng)(meng)(meng)號(hao)(hao)(hao)(hao)(hao)(hao)(hao)(hao)(hao)FG火(huo)(huo)(huo)(huo)箭(jian)(jian)(jian)為(wei)(wei)兩(liang)級(ji)(ji)(ji)(ji)結構,全部采用液氧、煤(mei)油推進劑,主要用于發(fa)(fa)射(she)(she)載(zai)人/不載(zai)人貨運(yun)(yun)(yun)飛(fei)船(chuan)(chuan)(chuan)或軍用照相(xiang)偵(zhen)察衛星(xing),曾發(fa)(fa)射(she)(she)過上(shang)升號(hao)(hao)(hao)(hao)(hao)(hao)(hao)(hao)(hao)載(zai)人飛(fei)船(chuan)(chuan)(chuan)、聯(lian)(lian)盟(meng)(meng)(meng)(meng)號(hao)(hao)(hao)(hao)(hao)(hao)(hao)(hao)(hao)載(zai)人飛(fei)船(chuan)(chuan)(chuan)、進步(bu)號(hao)(hao)(hao)(hao)(hao)(hao)(hao)(hao)(hao)貨運(yun)(yun)(yun)飛(fei)船(chuan)(chuan)(chuan)以及第2代(dai)宇宙號(hao)(hao)(hao)(hao)(hao)(hao)(hao)(hao)(hao)照相(xiang)偵(zhen)察衛星(xing)。在二(er)(er)級(ji)(ji)(ji)(ji)型火(huo)(huo)(huo)(huo)箭(jian)(jian)(jian)聯(lian)(lian)盟(meng)(meng)(meng)(meng)號(hao)(hao)(hao)(hao)(hao)(hao)(hao)(hao)(hao)U/FG的(de)(de)基礎(chu)上(shang)還(huan)可(ke)增加伊(yi)卡(ka)爾和弗(fu)雷蓋特(te)上(shang)面級(ji)(ji)(ji)(ji),用于商(shang)業高軌(gui)道(dao)(dao)發(fa)(fa)射(she)(she)。閃電(dian)(dian)號(hao)(hao)(hao)(hao)(hao)(hao)(hao)(hao)(hao)M火(huo)(huo)(huo)(huo)箭(jian)(jian)(jian)是(shi)三(san)(san)級(ji)(ji)(ji)(ji)火(huo)(huo)(huo)(huo)箭(jian)(jian)(jian),主要用于發(fa)(fa)射(she)(she)軍用的(de)(de)大(da)橢圓(yuan)軌(gui)道(dao)(dao)衛星(xing),地(di)(di)球同步(bu)轉(zhuan)移軌(gui)道(dao)(dao)運(yun)(yun)(yun)載(zai)能(neng)力(li)為(wei)(wei)1.6噸(dun)(dun)(dun),曾發(fa)(fa)射(she)(she)過閃電(dian)(dian)號(hao)(hao)(hao)(hao)(hao)(hao)(hao)(hao)(hao)通信(xin)衛星(xing)和預(yu)警衛星(xing)。聯(lian)(lian)盟(meng)(meng)(meng)(meng)2火(huo)(huo)(huo)(huo)箭(jian)(jian)(jian)是(shi)聯(lian)(lian)盟(meng)(meng)(meng)(meng)號(hao)(hao)(hao)(hao)(hao)(hao)(hao)(hao)(hao)系列(lie)中改動最大(da)的(de)(de)型號(hao)(hao)(hao)(hao)(hao)(hao)(hao)(hao)(hao),采用了(le)新的(de)(de)二(er)(er)子級(ji)(ji)(ji)(ji)和三(san)(san)子級(ji)(ji)(ji)(ji)。其基本型(二(er)(er)級(ji)(ji)(ji)(ji)型)可(ke)將近(jin)(jin)地(di)(di)軌(gui)道(dao)(dao)運(yun)(yun)(yun)載(zai)能(neng)力(li)提高到8.2噸(dun)(dun)(dun),帶上(shang)面級(ji)(ji)(ji)(ji)的(de)(de)三(san)(san)級(ji)(ji)(ji)(ji)型火(huo)(huo)(huo)(huo)箭(jian)(jian)(jian)可(ke)將有效載(zai)荷送(song)入大(da)橢圓(yuan)軌(gui)道(dao)(dao)和地(di)(di)球同步(bu)軌(gui)道(dao)(dao),地(di)(di)球同步(bu)軌(gui)道(dao)(dao)運(yun)(yun)(yun)載(zai)能(neng)力(li)為(wei)(wei)2.7~3噸(dun)(dun)(dun),太(tai)陽同步(bu)軌(gui)道(dao)(dao)運(yun)(yun)(yun)載(zai)能(neng)力(li)為(wei)(wei)4.5~4.9噸(dun)(dun)(dun)。聯(lian)(lian)盟(meng)(meng)(meng)(meng)號(hao)(hao)(hao)(hao)(hao)(hao)(hao)(hao)(hao)2火(huo)(huo)(huo)(huo)箭(jian)(jian)(jian)既與原(yuan)來的(de)(de)聯(lian)(lian)盟(meng)(meng)(meng)(meng)號(hao)(hao)(hao)(hao)(hao)(hao)(hao)(hao)(hao)火(huo)(huo)(huo)(huo)箭(jian)(jian)(jian)有很好的(de)(de)繼(ji)承性,又能(neng)更好地(di)(di)適應(ying)國(guo)際商(shang)業發(fa)(fa)射(she)(she)市場(chang)的(de)(de)需求,最終(zhong)將取代(dai)現(xian)用的(de)(de)聯(lian)(lian)盟(meng)(meng)(meng)(meng)號(hao)(hao)(hao)(hao)(hao)(hao)(hao)(hao)(hao)U/FG和閃電(dian)(dian)號(hao)(hao)(hao)(hao)(hao)(hao)(hao)(hao)(hao)M,進行載(zai)人飛(fei)船(chuan)(chuan)(chuan)、軍事和商(shang)業衛星(xing)的(de)(de)發(fa)(fa)射(she)(she)。
印(yin)(yin)度為(wei)發射衛(wei)(wei)(wei)星在(zai)探(tan)空火(huo)(huo)箭(jian)基(ji)(ji)礎上發展而(er)來的運(yun)(yun)載(zai)火(huo)(huo)箭(jian)。先后(hou)成功研制(zhi)了衛(wei)(wei)(wei)星運(yun)(yun)載(zai)火(huo)(huo)箭(jian)3(SLV-3)、加大推(tui)力衛(wei)(wei)(wei)星運(yun)(yun)載(zai)火(huo)(huo)箭(jian)(ASLV)、極地軌(gui)道(dao)衛(wei)(wei)(wei)星運(yun)(yun)載(zai)火(huo)(huo)箭(jian)(PSLV)和地球(qiu)同(tong)步軌(gui)道(dao)衛(wei)(wei)(wei)星運(yun)(yun)載(zai)火(huo)(huo)箭(jian)(GSLV)。PSLV、GSLV是印(yin)(yin)度在(zai)用的主(zhu)(zhu)力運(yun)(yun)載(zai)火(huo)(huo)箭(jian)。PSLV采用四(si)級(ji)結構,一、三子(zi)級(ji)使(shi)用固體推(tui)進劑,二、四(si)子(zi)級(ji)使(shi)用一甲基(ji)(ji)肼和四(si)氧化(hua)二氮,主(zhu)(zhu)要用于(yu)向(xiang)極軌(gui)道(dao)發射遙感(gan)衛(wei)(wei)(wei)星,近地軌(gui)道(dao)運(yun)(yun)載(zai)能力達到3.2噸,太陽同(tong)步軌(gui)道(dao)運(yun)(yun)載(zai)能力為(wei)2噸。GSLV火(huo)(huo)箭(jian)是在(zai)PSLV火(huo)(huo)箭(jian)基(ji)(ji)礎上改進而(er)來,主(zhu)(zhu)要用于(yu)向(xiang)地球(qiu)同(tong)步軌(gui)道(dao)發射衛(wei)(wei)(wei)星,同(tong)時也可執行近地軌(gui)道(dao)發射任務。GSLV由固體一子(zi)級(ji)、液體二子(zi)級(ji)、低溫(wen)上面(mian)級(ji)等(deng)三級(ji)構成,并在(zai)一子(zi)級(ji)周圍捆綁了4枚(mei)液體助推(tui)器,地球(qiu)同(tong)步轉移(yi)軌(gui)道(dao)運(yun)(yun)載(zai)能力約(yue)為(wei)2噸。
美國軌(gui)道科學公司研制(zhi)的(de)(de)(de)(de)一種(zhong)空(kong)射(she)(she)型(xing)(xing)運(yun)(yun)載(zai)火(huo)(huo)箭(jian)(jian)(jian)。它是世(shi)界上唯一投(tou)入使(shi)用(yong)(yong)的(de)(de)(de)(de)空(kong)射(she)(she)運(yun)(yun)載(zai)火(huo)(huo)箭(jian)(jian)(jian),主(zhu)要用(yong)(yong)于(yu)將小(xiao)型(xing)(xing)衛星送入近(jin)地(di)軌(gui)道,進行微重力(li)(li)實(shi)驗、材料試驗、通信、定(ding)位、地(di)球資源探測或完成其他特殊任(ren)務。它具有較大(da)的(de)(de)(de)(de)軍(jun)用(yong)(yong)潛力(li)(li),適合于(yu)戰時發射(she)(she)小(xiao)衛星,也可用(yong)(yong)來運(yun)(yun)送武器(qi)彈藥(yao),使(shi)軍(jun)事指揮員擁(yong)有攻擊(ji)地(di)球上任(ren)何目(mu)標(biao)的(de)(de)(de)(de)能(neng)(neng)力(li)(li)。飛(fei)馬座(zuo)運(yun)(yun)載(zai)火(huo)(huo)箭(jian)(jian)(jian)包(bao)括標(biao)準型(xing)(xing)和(he)(he)加長(chang)(chang)型(xing)(xing)(飛(fei)馬座(zuo)XL)兩個型(xing)(xing)號,均為三級固體運(yun)(yun)載(zai)火(huo)(huo)箭(jian)(jian)(jian),采用(yong)(yong)端羥(qian)基聚丁二烯(xi)推進劑。標(biao)準型(xing)(xing)飛(fei)馬座(zuo)全(quan)長(chang)(chang)15.5米(mi),直徑1.27米(mi),翼(yi)展6.7米(mi),起(qi)飛(fei)質量(liang)18.886噸(dun),起(qi)飛(fei)推力(li)(li)498.2千牛,近(jin)地(di)軌(gui)道運(yun)(yun)載(zai)能(neng)(neng)力(li)(li)375千克,1998年停止使(shi)用(yong)(yong)。加長(chang)(chang)型(xing)(xing)飛(fei)馬座(zuo)XL是在基本型(xing)(xing)的(de)(de)(de)(de)基礎上通過加長(chang)(chang)一、二級和(he)(he)提高性能(neng)(neng)發展而來的(de)(de)(de)(de),全(quan)長(chang)(chang)16.9米(mi),起(qi)飛(fei)質量(liang)23.13噸(dun),近(jin)地(di)軌(gui)道運(yun)(yun)載(zai)能(neng)(neng)力(li)(li)443千克。發射(she)(she)標(biao)準型(xing)(xing)飛(fei)馬座(zuo)火(huo)(huo)箭(jian)(jian)(jian)的(de)(de)(de)(de)載(zai)機(ji)(ji)為改裝(zhuang)(zhuang)的(de)(de)(de)(de)B-52轟炸機(ji)(ji),運(yun)(yun)載(zai)火(huo)(huo)箭(jian)(jian)(jian)吊掛在機(ji)(ji)翼(yi)下(xia)。加長(chang)(chang)型(xing)(xing)飛(fei)馬座(zuo)XL使(shi)用(yong)(yong)改裝(zhuang)(zhuang)的(de)(de)(de)(de)L-1011飛(fei)機(ji)(ji)作(zuo)載(zai)機(ji)(ji),火(huo)(huo)箭(jian)(jian)(jian)吊掛在載(zai)機(ji)(ji)腹部(bu)。發射(she)(she)時,火(huo)(huo)箭(jian)(jian)(jian)由(you)(you)載(zai)機(ji)(ji)攜(xie)帶至預定(ding)地(di)點(dian)(dian)上空(kong)投(tou)放(fang),自由(you)(you)下(xia)落5秒后點(dian)(dian)火(huo)(huo),投(tou)放(fang)時,飛(fei)機(ji)(ji)高度約11900米(mi),飛(fei)行速度0.8馬赫。
在大(da)力(li)(li)神(shen)(shen)(shen)洲(zhou)際彈道導彈基礎上(shang)發展起(qi)來的運載火(huo)箭系(xi)列(lie)。包括大(da)力(li)(li)神(shen)(shen)(shen)2、大(da)力(li)(li)神(shen)(shen)(shen)3、大(da)力(li)(li)神(shen)(shen)(shen)34和大(da)力(li)(li)神(shen)(shen)(shen)4等運載火(huo)箭,主要用(yong)于發射軍用(yong)衛星(xing)。大(da)力(li)(li)神(shen)(shen)(shen)2為兩級可貯推(tui)進(jin)劑(混肼/四氧(yang)化二氮)火(huo)箭,是該系(xi)列(lie)中最早投入使用(yong)的型
號,曾用(yong)于發(fa)射美國(guo)的(de)雙子(zi)星(xing)(xing)(xing)(xing)座飛(fei)(fei)船(chuan)、氣(qi)(qi)象(xiang)衛(wei)(wei)(wei)星(xing)(xing)(xing)(xing)和(he)(he)(he)月球探測器。大(da)力(li)神(shen)3、34和(he)(he)(he)大(da)力(li)神(shen)4均為三(san)級(ji)(ji)(ji)火(huo)箭(jian),其(qi)中(zhong)大(da)力(li)神(shen)3和(he)(he)(he)大(da)力(li)神(shen)34主要用(yong)于發(fa)射極地(di)(di)(di)軌(gui)(gui)(gui)(gui)道(dao)(dao)軍事(shi)衛(wei)(wei)(wei)星(xing)(xing)(xing)(xing)(偵(zhen)察)、地(di)(di)(di)球同(tong)步軌(gui)(gui)(gui)(gui)道(dao)(dao)衛(wei)(wei)(wei)星(xing)(xing)(xing)(xing)(國(guo)防通(tong)信(xin)、預警(jing))以及星(xing)(xing)(xing)(xing)際(ji)探測器。大(da)力(li)神(shen)4火(huo)箭(jian)于1985年(nian)開(kai)始(shi)研(yan)制,在1986年(nian)挑戰者號航天(tian)飛(fei)(fei)機失事(shi)之后(hou),成(cheng)為發(fa)射大(da)型軍用(yong)衛(wei)(wei)(wei)星(xing)(xing)(xing)(xing)的(de)主要運(yun)載火(huo)箭(jian),承擔美國(guo)空(kong)軍地(di)(di)(di)球同(tong)步軌(gui)(gui)(gui)(gui)道(dao)(dao)衛(wei)(wei)(wei)星(xing)(xing)(xing)(xing)(預警(jing)、通(tong)信(xin)、中(zhong)繼、氣(qi)(qi)象(xiang))和(he)(he)(he)近(jin)地(di)(di)(di)軌(gui)(gui)(gui)(gui)道(dao)(dao)偵(zhen)察衛(wei)(wei)(wei)星(xing)(xing)(xing)(xing)的(de)發(fa)射任(ren)務。大(da)力(li)神(shen)4系列(lie)包(bao)括大(da)力(li)神(shen)4A、4B兩種型號,為芯(xin)級(ji)(ji)(ji)加捆綁構(gou)型,一、二子(zi)級(ji)(ji)(ji)也采用(yong)混肼/四(si)氧化二氮推進(jin)劑,可(ke)以在無上(shang)面(mian)級(ji)(ji)(ji)的(de)狀(zhuang)態下把有效(xiao)載荷送入近(jin)地(di)(di)(di)軌(gui)(gui)(gui)(gui)道(dao)(dao),也可(ke)以使用(yong)慣(guan)性上(shang)面(mian)級(ji)(ji)(ji)(IUS)或半人馬座上(shang)面(mian)級(ji)(ji)(ji),把有效(xiao)載荷直接送入地(di)(di)(di)球同(tong)步軌(gui)(gui)(gui)(gui)道(dao)(dao),近(jin)地(di)(di)(di)軌(gui)(gui)(gui)(gui)道(dao)(dao)運(yun)載能(neng)力(li)達到21.7噸,地(di)(di)(di)球同(tong)步軌(gui)(gui)(gui)(gui)道(dao)(dao)運(yun)載能(neng)力(li)達到5.7噸。2005年(nian)10月,大(da)力(li)神(shen)4完成(cheng)最后(hou)一次(ci)發(fa)射后(hou),被更為廉價、可(ke)靠的(de)德爾它4和(he)(he)(he)宇宙神(shen)5火(huo)箭(jian)取代。至此,大(da)力(li)神(shen)系列(lie)火(huo)箭(jian)全(quan)部退役(yi)。
美(mei)國(guo)(guo)從(cong)(cong)事火(huo)(huo)(huo)(huo)箭(jian)(jian)(jian)(jian)探(tan)(tan)(tan)(tan)(tan)空(kong)(kong)(kong)研究(jiu)的(de)(de)(de)(de)主要機構有: 美(mei)國(guo)(guo)國(guo)(guo)家航空(kong)(kong)(kong)航天局(ju)(NASA)、陸海空(kong)(kong)(kong)軍、能源研究(jiu)與發(fa)(fa)(fa)(fa)展委員會(ERDA)和大學(xue)等(deng)單位。 據(ju)統計(ji)(ji),1959-1976年(nian)(nian)NASA在全(quan)球(qiu)37個發(fa)(fa)(fa)(fa)射(she)場(國(guo)(guo)內(nei)24個)發(fa)(fa)(fa)(fa)射(she)探(tan)(tan)(tan)(tan)(tan)空(kong)(kong)(kong)火(huo)(huo)(huo)(huo)箭(jian)(jian)(jian)(jian)30種1912枚(mei)。其(qi)(qi)(qi)中,1968年(nian)(nian)發(fa)(fa)(fa)(fa)射(she)175枚(mei),20世(shi)紀(ji)70年(nian)(nian)代(dai)中期(qi)(qi)后,每(mei)(mei)年(nian)(nian)發(fa)(fa)(fa)(fa)射(she)70-80枚(mei),近年(nian)(nian)來發(fa)(fa)(fa)(fa)射(she)數量仍據(ju)世(shi)界之首(shou)。對于微(wei)(wei)重(zhong)力(li)(li)火(huo)(huo)(huo)(huo)箭(jian)(jian)(jian)(jian)發(fa)(fa)(fa)(fa)展有兩次(ci)(ci)重(zhong)要的(de)(de)(de)(de)火(huo)(huo)(huo)(huo)箭(jian)(jian)(jian)(jian)發(fa)(fa)(fa)(fa)射(she)任務。1971年(nian)(nian)10月(yue)NASA發(fa)(fa)(fa)(fa)射(she) 了(le)(le)“空(kong)(kong)(kong)蜂(feng)”170A,首(shou)次(ci)(ci)利用(yong)(yong)探(tan)(tan)(tan)(tan)(tan)空(kong)(kong)(kong)火(huo)(huo)(huo)(huo)箭(jian)(jian)(jian)(jian)進(jin)(jin)行(xing)(xing)了(le)(le)空(kong)(kong)(kong)間(jian)材(cai)料(liao)加(jia)工(gong)實(shi)(shi)驗(yan)(yan)嘗試;1972年(nian)(nian)1月(yue)再次(ci)(ci)發(fa)(fa)(fa)(fa)射(she)“黑雁”5C 火(huo)(huo)(huo)(huo)箭(jian)(jian)(jian)(jian)進(jin)(jin)行(xing)(xing)金屬(shu)熔煉實(shi)(shi)驗(yan)(yan)。這兩枚(mei)火(huo)(huo)(huo)(huo)箭(jian)(jian)(jian)(jian)的(de)(de)(de)(de)發(fa)(fa)(fa)(fa)射(she),證(zheng)實(shi)(shi)了(le)(le)利用(yong)(yong)探(tan)(tan)(tan)(tan)(tan)空(kong)(kong)(kong)火(huo)(huo)(huo)(huo)箭(jian)(jian)(jian)(jian)進(jin)(jin)行(xing)(xing)微(wei)(wei)重(zhong)力(li)(li)科(ke)學(xue)實(shi)(shi)驗(yan)(yan)是(shi)一條(tiao)可(ke)行(xing)(xing)的(de)(de)(de)(de)技(ji)術(shu)途徑, 揭(jie)開(kai)了(le)(le)微(wei)(wei)重(zhong)力(li)(li)火(huo)(huo)(huo)(huo)箭(jian)(jian)(jian)(jian)研制和應(ying)用(yong)(yong)的(de)(de)(de)(de)序(xu)幕。20世(shi)紀(ji)70年(nian)(nian)代(dai)初美(mei)國(guo)(guo)開(kai)始利用(yong)(yong)探(tan)(tan)(tan)(tan)(tan)空(kong)(kong)(kong)火(huo)(huo)(huo)(huo)箭(jian)(jian)(jian)(jian)進(jin)(jin)行(xing)(xing)空(kong)(kong)(kong)間(jian)材(cai)料(liao)加(jia)工(gong)實(shi)(shi) 驗(yan)(yan)。NASA于1974年(nian)(nian)初制定空(kong)(kong)(kong)間(jian)材(cai)料(liao)加(jia)工(gong)應(ying)用(yong)(yong)火(huo)(huo)(huo)(huo)箭(jian)(jian)(jian)(jian)(SPAR)計(ji)(ji)劃,這是(shi)世(shi)界上第一個微(wei)(wei)重(zhong)力(li)(li)火(huo)(huo)(huo)(huo)箭(jian)(jian)(jian)(jian)研究(jiu)應(ying)用(yong)(yong)計(ji)(ji)劃。從(cong)(cong)1975年(nian)(nian)12月(yue)至1981年(nian)(nian)1月(yue),NASA 共(gong)發(fa)(fa)(fa)(fa)射(she)9枚(mei) SPAR 火(huo)(huo)(huo)(huo)箭(jian)(jian)(jian)(jian),其(qi)(qi)(qi)中6枚(mei)成(cheng)功,2枚(mei)失敗,1枚(mei)局(ju)部成(cheng)功,共(gong)進(jin)(jin)行(xing)(xing)了(le)(le)49項(xiang)空(kong)(kong)(kong)間(jian)材(cai)料(liao)科(ke)學(xue)和加(jia)工(gong)的(de)(de)(de)(de)實(shi)(shi)驗(yan)(yan)研究(jiu)。 隨著1989年(nian)(nian)3月(yue)“伙伴(ban)”1 號(hao)火(huo)(huo)(huo)(huo)箭(jian)(jian)(jian)(jian)首(shou)次(ci)(ci)成(cheng)功發(fa)(fa)(fa)(fa)射(she),NASA決定20世(shi)紀(ji)90年(nian)(nian)代(dai)根據(ju)需要每(mei)(mei)年(nian)(nian)發(fa)(fa)(fa)(fa)射(she)2-4 枚(mei)類似火(huo)(huo)(huo)(huo)箭(jian)(jian)(jian)(jian),其(qi)(qi)(qi)中大部分(fen)為(wei)生(sheng)物技(ji)術(shu)實(shi)(shi)驗(yan)(yan),其(qi)(qi)(qi)他為(wei)空(kong)(kong)(kong)間(jian)材(cai)料(liao)科(ke)學(xue)和加(jia)工(gong)實(shi)(shi)驗(yan)(yan)。NASA 著名的(de)(de)(de)(de)火(huo)(huo)(huo)(huo)箭(jian)(jian)(jian)(jian)探(tan)(tan)(tan)(tan)(tan)空(kong)(kong)(kong)項(xiang)目NSROC(NASA SoundingRocket Operations Contract)從(cong)(cong)1999年(nian)(nian)開(kai)始實(shi)(shi)施(shi),為(wei)其(qi)(qi)(qi)火(huo)(huo)(huo)(huo)箭(jian)(jian)(jian)(jian)探(tan)(tan)(tan)(tan)(tan)空(kong)(kong)(kong)研究(jiu)提供了(le)(le)完整(zheng)的(de)(de)(de)(de)前期(qi)(qi)計(ji)(ji)劃、設(she)計(ji)(ji)、開(kai)發(fa)(fa)(fa)(fa)、集成(cheng)、測試、發(fa)(fa)(fa)(fa)射(she)和后期(qi)(qi)分(fen)析等(deng)工(gong)作。 NSROC于2000年(nian)(nian)8月(yue)達到ISO 9000標準,平均每(mei)(mei)年(nian)(nian)發(fa)(fa)(fa)(fa)射(she)約20次(ci)(ci),涵蓋了(le)(le)不同的(de)(de)(de)(de)探(tan)(tan)(tan)(tan)(tan)測高度和科(ke)學(xue)應(ying)用(yong)(yong)范圍(wei)。
日本(ben)在(zai)火(huo)箭(jian)(jian)(jian)(jian)探空(kong)(kong)(kong)方面(mian)進(jin)行了(le)(le)非常廣泛的(de)(de)研(yan)究(jiu),在(zai)大氣(qi)(qi)科學、電離層(ceng)、太陽物理、天體物理以及大氣(qi)(qi)氣(qi)(qi)候(hou)和(he)預報方面(mian)取得(de)了(le)(le)許多(duo)科學成(cheng)果(guo),并與(yu)美、英、法、西德等(deng)合作完成(cheng)了(le)(le)多(duo)種類型(xing)的(de)(de)火(huo)箭(jian)(jian)(jian)(jian)實(shi)(shi)驗(yan),進(jin)行了(le)(le)獨具特(te)色的(de)(de)赤(chi)道區高層(ceng)大氣(qi)(qi)、電離層(ceng)和(he)天文學的(de)(de)探測(ce)研(yan)究(jiu)。1977年(nian)日本(ben)宇宙開(kai)發(fa)事業團(tuan)(NASDA)制定了(le)(le)TT-500A微重力火(huo)箭(jian)(jian)(jian)(jian)計(ji)(ji)劃(hua)。1980年(nian)9月至1983年(nian)8月共發(fa)射了(le)(le)6枚(mei),均用于(yu)(yu)空(kong)(kong)(kong)間(jian)材料(liao)加工實(shi)(shi)驗(yan),有(you)19臺設(she)備(bei)(bei)進(jin)行了(le)(le)飛行實(shi)(shi)驗(yan),只有(you)約一(yi)半的(de)(de)設(she)備(bei)(bei)獲(huo)得(de)實(shi)(shi)驗(yan)結果(guo)。20 世紀80年(nian)代后期,NASDA重新制定了(le)(le)微重力火(huo)箭(jian)(jian)(jian)(jian)研(yan)究(jiu)計(ji)(ji)劃(hua),命名為TR-1A 的(de)(de)微重力火(huo)箭(jian)(jian)(jian)(jian)于(yu)(yu)1991年(nian)9月首次發(fa)射成(cheng)功,搭(da)載了(le)(le)5種用于(yu)(yu)空(kong)(kong)(kong)間(jian)材料(liao)科學研(yan)究(jiu)和(he)加工的(de)(de)實(shi)(shi)驗(yan)裝置。之(zhi)后,又(you)制定了(le)(le)繼(ji)續(xu)發(fa)射 3 枚(mei)TR-1A 微重力火(huo)箭(jian)(jian)(jian)(jian)計(ji)(ji)劃(hua)。2003 年(nian)10月,為了(le)(le)提(ti)高日本(ben)的(de)(de)空(kong)(kong)(kong)間(jian)研(yan)究(jiu)水平(ping),日本(ben)宇宙航空(kong)(kong)(kong)研(yan)究(jiu)開(kai)發(fa)機構(JAXA)重組完成(cheng),所(suo)屬ISAS繼(ji)續(xu)用探空(kong)(kong)(kong)火(huo)箭(jian)(jian)(jian)(jian)等(deng)獨特(te)的(de)(de)手段提(ti)高空(kong)(kong)(kong)間(jian)科學研(yan)究(jiu)水平(ping)。JAXA 目前使用的(de)(de)探空(kong)(kong)(kong)火(huo)箭(jian)(jian)(jian)(jian)系列有(you)S-310、S-520 和(he) SS-520。
歐(ou)洲空(kong)間(jian)(jian)(jian)局(ju)(ESA)將微(wei)重(zhong)力(li)科學(xue)實(shi)(shi)驗研(yan)究(jiu)作為(wei)主要任務(wu)之(zhi)一,制定了全面的(de)(de)(de)(de)(de)發展(zhan)研(yan)究(jiu)計劃,包括用(yong)探空(kong)火(huo)(huo)箭(jian)進行微(wei)重(zhong)力(li)實(shi)(shi)驗研(yan)究(jiu),1990-1996年間(jian)(jian)(jian),每年發射1枚(mei)長(chang)時間(jian)(jian)(jian)探空(kong)火(huo)(huo)箭(jian),4枚(mei)短時間(jian)(jian)(jian)探空(kong)火(huo)(huo)箭(jian)。在德(de)國(guo)政(zheng)府2001年5月批(pi)準的(de)(de)(de)(de)(de)新(xin)航天(tian)(tian)計劃中(zhong)(zhong),用(yong)于微(wei)重(zhong)力(li)實(shi)(shi)驗的(de)(de)(de)(de)(de)探空(kong)火(huo)(huo)箭(jian)為(wei)其重(zhong)要的(de)(de)(de)(de)(de)組成部(bu)分(fen)。德(de)國(guo)的(de)(de)(de)(de)(de)兩種朗繆爾(er)探針設備(bei)分(fen)別于 2002年和 2003年搭(da)載(zai) NASA 的(de)(de)(de)(de)(de)探空(kong)火(huo)(huo)箭(jian)上天(tian)(tian)。探空(kong)火(huo)(huo)箭(jian)是德(de)國(guo)空(kong)間(jian)(jian)(jian)項目中(zhong)(zhong)的(de)(de)(de)(de)(de)重(zhong)要工具,主要涉及空(kong)間(jian)(jian)(jian)科學(xue)、對地觀測、微(wei)重(zhong)力(li)研(yan)究(jiu)和返回技術。2004年10月23日(ri),德(de)國(guo)宇航中(zhong)(zhong)心(DLR)研(yan)制的(de)(de)(de)(de)(de)VSB-30 型火(huo)(huo)箭(jian)試飛成功(gong),它標(biao)志著歐(ou)洲微(wei)重(zhong)力(li)探空(kong)火(huo)(huo)箭(jian)計劃的(de)(de)(de)(de)(de)復興。
火(huo)(huo)(huo)(huo)箭(jian)(jian)(jian)(jian)(jian)探(tan)空(kong)是中(zhong)國發(fa)展航(hang)天事(shi)業(ye)的(de)(de)(de)(de)(de)起步項目之一(yi)。 中(zhong)國于(yu)(yu)(yu)1958 年開始(shi)發(fa)展火(huo)(huo)(huo)(huo)箭(jian)(jian)(jian)(jian)(jian)探(tan)空(kong)事(shi)業(ye),在(zai)著名科學家錢學森、趙九章、楊南生、王希季(ji)等(deng)倡導和(he)領導下創建了火(huo)(huo)(huo)(huo)箭(jian)(jian)(jian)(jian)(jian)探(tan)空(kong)事(shi)業(ye)。在(zai)研(yan)制發(fa)射(she)(she)(she)了多種(zhong)(zhong)型號的(de)(de)(de)(de)(de)試驗研(yan)究、試驗性探(tan)空(kong)火(huo)(huo)(huo)(huo)箭(jian)(jian)(jian)(jian)(jian)的(de)(de)(de)(de)(de)基礎(chu)上,中(zhong)國的(de)(de)(de)(de)(de)第(di)一(yi)枚探(tan)空(kong)火(huo)(huo)(huo)(huo)箭(jian)(jian)(jian)(jian)(jian)于(yu)(yu)(yu)1960 年9月(yue)首(shou)次發(fa)射(she)(she)(she)。中(zhong)國最早開展研(yan)究和(he)利用(yong)的(de)(de)(de)(de)(de)探(tan)空(kong)火(huo)(huo)(huo)(huo)箭(jian)(jian)(jian)(jian)(jian)是用(yong)于(yu)(yu)(yu)氣象(xiang)探(tan)測的(de)(de)(de)(de)(de)氣象(xiang)火(huo)(huo)(huo)(huo)箭(jian)(jian)(jian)(jian)(jian),研(yan)制并發(fa)射(she)(she)(she)了多種(zhong)(zhong)氣象(xiang)火(huo)(huo)(huo)(huo)箭(jian)(jian)(jian)(jian)(jian),在(zai)20世紀發(fa)射(she)(she)(she)的(de)(de)(de)(de)(de)約(yue)260枚探(tan)空(kong)火(huo)(huo)(huo)(huo)箭(jian)(jian)(jian)(jian)(jian)中(zhong)有(you)半數以(yi)上為氣象(xiang)火(huo)(huo)(huo)(huo)箭(jian)(jian)(jian)(jian)(jian),用(yong)于(yu)(yu)(yu)中(zhong)層(ceng)大氣(海拔20~80公里)的(de)(de)(de)(de)(de)大氣溫度(du)、壓力、密度(du)、風速和(he)風向等(deng)氣象(xiang)要(yao)素(su)的(de)(de)(de)(de)(de)探(tan)測,在(zai)氣象(xiang)火(huo)(huo)(huo)(huo)箭(jian)(jian)(jian)(jian)(jian)的(de)(de)(de)(de)(de)研(yan)究和(he)應用(yong)中(zhong)取得了豐(feng)碩(shuo)的(de)(de)(de)(de)(de)成(cheng)果。另有(you)一(yi)些取樣火(huo)(huo)(huo)(huo)箭(jian)(jian)(jian)(jian)(jian)、生物火(huo)(huo)(huo)(huo)箭(jian)(jian)(jian)(jian)(jian)和(he)試驗火(huo)(huo)(huo)(huo)箭(jian)(jian)(jian)(jian)(jian)。
2008年開始(shi)的(de)(de)(de)國家大(da)(da)科學(xue)工(gong)程“子午工(gong)程”的(de)(de)(de)建(jian)設(she)(she)由中(zhong)國科學(xue)院(yuan)牽(qian)頭,其中(zhong)由空(kong)間(jian)中(zhong)心負責(ze)建(jian)設(she)(she)實施的(de)(de)(de)探(tan)空(kong)火(huo)(huo)(huo)箭(jian)(jian)系統的(de)(de)(de)建(jian)設(she)(she)目標(biao)是進行海南(nan)火(huo)(huo)(huo)箭(jian)(jian)發(fa)射場的(de)(de)(de)改造建(jian)設(she)(she),以適(shi)應(ying)(ying)新(xin)的(de)(de)(de)體制和(he)新(xin)的(de)(de)(de)探(tan)空(kong)技術要(yao)求,將(jiang)為火(huo)(huo)(huo)箭(jian)(jian)探(tan)空(kong)事(shi)業的(de)(de)(de)發(fa)展提供有利支撐,是重振中(zhong)國火(huo)(huo)(huo)箭(jian)(jian)探(tan)空(kong)事(shi)業的(de)(de)(de)重要(yao)一步。“子午工(gong)程”的(de)(de)(de)探(tan)空(kong)火(huo)(huo)(huo)箭(jian)(jian)系統主(zhu)要(yao)由探(tan)空(kong)運載火(huo)(huo)(huo)箭(jian)(jian)、有效(xiao)載荷艙、地(di)(di)面(mian)(mian)遙測(ce)(ce)系統、地(di)(di)面(mian)(mian)數據(ju)處理(li)系統和(he)地(di)(di)面(mian)(mian)發(fa)射支持保障系統組成。其目標(biao)是在(zai)海南(nan)建(jian)成探(tan)空(kong)火(huo)(huo)(huo)箭(jian)(jian)探(tan)測(ce)(ce)和(he)地(di)(di)面(mian)(mian)聯合監測(ce)(ce)大(da)(da)氣和(he)電離層參數的(de)(de)(de)綜合探(tan)測(ce)(ce)系統。 聯合觀(guan)測(ce)(ce)時(shi),探(tan)空(kong)火(huo)(huo)(huo)箭(jian)(jian)上(shang)的(de)(de)(de)探(tan)測(ce)(ce)設(she)(she)備、電離層觀(guan)測(ce)(ce)設(she)(she)備和(he)大(da)(da)氣觀(guan)測(ce)(ce)設(she)(she)備等(deng)同(tong)步工(gong)作(zuo), 其目的(de)(de)(de)是獲取全面(mian)(mian)的(de)(de)(de)200公里以下的(de)(de)(de)空(kong)間(jian)環境(jing)資料(liao),同(tong)時(shi)進行各(ge)個空(kong)間(jian)層次的(de)(de)(de)耦合效(xiao)應(ying)(ying)及應(ying)(ying)用研究,以期(qi)發(fa)現新(xin)的(de)(de)(de)物理(li)機制和(he)規(gui)律。
2019年8月,我(wo)(wo)國完(wan)成(cheng)(cheng)(cheng)了(le)(le)火箭殘骸的(de)精準(zhun)控(kong)制,落(luo)(luo)在了(le)(le)設定的(de)落(luo)(luo)區(qu)范圍內(nei)。這次(ci)技術(shu)(shu)驗證(zheng)的(de)成(cheng)(cheng)(cheng)功(gong),標(biao)志著我(wo)(wo)國成(cheng)(cheng)(cheng)為繼美國之(zhi)后的(de)第二個掌握這項技術(shu)(shu)的(de)國家。這次(ci)驗證(zheng)技術(shu)(shu)的(de)成(cheng)(cheng)(cheng)功(gong),柵格舵發揮了(le)(le)重(zhong)要作用,通(tong)過它們可以控(kong)制回收時(shi)的(de)姿態(tai),確保(bao)火箭殘骸能夠落(luo)(luo)在設定的(de)區(qu)域。此次(ci)技術(shu)(shu)的(de)驗證(zheng)成(cheng)(cheng)(cheng)功(gong),則(ze)可以免去落(luo)(luo)區(qu)居民疏散問題,也為我(wo)(wo)國運載火箭后續助推器及子級的(de)可控(kong)回收、軟著陸、重(zhong)復(fu)使用等技術(shu)(shu)奠定堅(jian)實基礎(chu)。