载人运载火箭发动机可靠性试车方法及评估  

Reliability Test Method and Evaluation of Manned Launch Vehicle Engine

作　　者：王宏让[1] 董灏 程晓辉[1] 段增斌 Wang Hong-rang;Dong Hao;Cheng Xiao-hui;Duan Zeng-bin(Xi'an Aerospace Propulsion Institute,Xi'an,710100;Academy of Aerospace Liquid Propulsion Technology,Xi′an,710100)

机构地区：[1]西安航天动力研究所,西安710100 [2]航天推进技术研究院,西安710100

出　　处：《导弹与航天运载技术》2022年第1期41-46,共6页Missiles and Space Vehicles

摘　　要：概述了载人航天工程运载火箭液体火箭发动机(以下简称“载人航天发动机”)的可靠性试车方法,重点分析了发动机在各种边缘工况下的试车考验情况,并通过发动机可靠性试车实例,说明了该试车方法比传统的试车方法能更有效地暴露发动机的薄弱环节,可更充分地验证发动机的可靠性水平。同时对发动机性能和结构可靠性评估方法进行了论述。最后对发动机可靠性试车方法及评估的创新点、经济效益、社会效率进行了总结。The reliability test method of liquid propellant rocket engine of manned space engineering launch vehicle is summarized,and the analysis of engine tests under various edge conditions is focused on.The example of engine reliability tests show that this test method ca more effectively expose the weak links of the engines than the traditional test method,and can more fully verify the reliability level of the engine.At the same time,the evaluation methods of innovation points,economic and social benefits of the engine reliability test method and evaluation method are summarized.

关 键 词：可靠性 试车与评估 火箭液体火箭发动机 

分 类 号：V434[航空宇航科学与技术—航空宇航推进理论与工程]