论文部分内容阅读
介绍了用于低功率肼(N2H4)电弧加热发动机(Arcjet)的高空模拟试验系统,阐述了该系统中的高空模拟真空系统、推进剂供给系统、电源调理单元(PCU,Power ControlUnit)、微推力全弹性测量装置、数据采集系统以及其它配套设施.针对低功率肼电弧加热发动机地面试验的特殊要求,重点介绍了有毒推进剂肼(N2H4)的供给、微小流量测量、微小推力测量的方法与原理,并在该套系统上进行了系统功能验证性试验.试验证明,该套系统满足低功率肼电弧加热发动机高空模拟试验要求,为推进肼电弧加热发动机的研究与工程应用提供了保障.
The high altitude simulation test system for Arcjet with low power hydrazine (N2H4) is introduced. The high altitude simulation system, the propellant supply system, the Power Control Unit (PCU), the micro thrust Full elastic measuring device, data acquisition system and other supporting facilities.Aiming at the special requirements of ground test of low-power hydrazine arc heating engine, the introduction of noxious propellant hydrazine (N2H4), micro-flow measurement, method and principle of micro-thrust measurement , And the system functional verification test was carried out on the system.The experiment proves that the system meets the requirements of high altitude simulation test of the low power hydrazine arc heating engine and provides a guarantee for the research and engineering application of the hydrazine arc heating engine.