载人航天
載人航天
재인항천
MANNED SPACEFLIGHT
2014年
5期
393-398
,共6页
范瑞祥%郑立伟%宋强%黄兵
範瑞祥%鄭立偉%宋彊%黃兵
범서상%정립위%송강%황병
运载火箭%推力调节%发动机
運載火箭%推力調節%髮動機
운재화전%추력조절%발동궤
launch vehicle%thrust regulation%rocket engine
调研了国外运载火箭液体发动机推力调节能力,重点介绍了俄罗斯RD-180发动机和美国SSME发动机分别在宇宙神系列运载火箭和航天飞机中的应用情况,以2500 kN推力量级的液氧煤油发动机为基础级核心动力,采用模块化设计思路构建了包含四种构型的系列运载火箭,并以系列构型火箭总体性能最优为目的,开展了发动机推力调节能力对运载火箭运载能力、落区调整、减载设计等总体性能参数的影响分析工作,最后提出了我国2500 kN推力量级液氧煤油发动机的推力调节需求。
調研瞭國外運載火箭液體髮動機推力調節能力,重點介紹瞭俄囉斯RD-180髮動機和美國SSME髮動機分彆在宇宙神繫列運載火箭和航天飛機中的應用情況,以2500 kN推力量級的液氧煤油髮動機為基礎級覈心動力,採用模塊化設計思路構建瞭包含四種構型的繫列運載火箭,併以繫列構型火箭總體性能最優為目的,開展瞭髮動機推力調節能力對運載火箭運載能力、落區調整、減載設計等總體性能參數的影響分析工作,最後提齣瞭我國2500 kN推力量級液氧煤油髮動機的推力調節需求。
조연료국외운재화전액체발동궤추력조절능력,중점개소료아라사RD-180발동궤화미국SSME발동궤분별재우주신계렬운재화전화항천비궤중적응용정황,이2500 kN추역량급적액양매유발동궤위기출급핵심동력,채용모괴화설계사로구건료포함사충구형적계렬운재화전,병이계렬구형화전총체성능최우위목적,개전료발동궤추력조절능력대운재화전운재능력、락구조정、감재설계등총체성능삼수적영향분석공작,최후제출료아국2500 kN추역량급액양매유발동궤적추력조절수구。
An investigation of throttle capability was conducted on foreign liquid rocket engines , in-cluding applications of RD-180 , SSME for Atlas series and space shuttle respectively .A series of launch vehicles were presented in this paper .A 2500 kN LOX-kerosene engine was used as the lift-off power and 4 types of launch vehicles were designed with modularization methods .In order to op-timize the performance of launch vehicle series , the throttle influence was studied .The influence in-cludes launch capacity , impact zone adjustment , off-load design.Finally, the demand for throttle capability of the 2500 kN LOX-kerosene engine was proposed .