200 N推力装置上肼类分解催化剂的应用性能  

Application performance of a hydrazine decomposition catalyst based on a 200 N thruster device

作　　者：徐涛[1] 李宁[1] 贺子君 贾勐 张中柱 邢钢[1] 赵孟超 杜宗罡[1] XU Tao;LI Ning;HE Zijun;JIA Meng;ZHANG Zhongzhu;XING Gang;ZHAO Mengchao;DU Zonggang(Xi'an Aerospace Propulsion Test Technology Institute,Xi'an 710100,China)

机构地区：[1]西安航天动力试验技术研究所,陕西西安710100

出　　处：《火箭推进》2024年第5期148-156,共9页Journal of Rocket Propulsion

基　　金：陕西省特种能源化学与材料重点实验室开放基金(SPCF-SKL-2021-0001)。

摘　　要：研究制备了一种单组元姿轨控发动机用肼类分解催化剂,采用200 N推力装置对其应用性能进行了研究和考察。在催化剂物化性能指标满足应用要求的基础上,利用200 N推力装置通过力学环境试验考察了催化剂力学环境适应性,通过双-10℃低温冷启动、低温稳态及脉冲、正负拉偏以及脉冲寿命热试考核程序考察了自制催化剂的低温冷启动性能、低温稳态性能、常温正负拉偏稳态性能以及脉冲寿命性能。结果表明:该催化剂肼催化分解效率在99%以上,机械强度高且力学环境适应性良好,具有较高的肼催化分解活性和稳定性,能够在200 N推力装置上于双-10℃正常启动,顺利完成了低温稳态、常温正负拉偏和脉冲寿命等考核程序,发动机室压平稳,响应特性良好,脉冲一致性好,可满足推力装置的使用要求。This study investigates the application performance of a hydrazine decomposition catalyst using a 200 N thruster device.On the basis that the physical and chemical properties of the catalyst meet the application requirements,the mechanical environment adaptability of the catalyst is investigated using a 200 N thruster device.The low-temperature cold start performance,low-temperature steady-state performance,normal temperature positive and negative bias steady-state performance,and pulse lifetime performance of the catalyst are also investigated.The results indicate that the catalyst has a hydrazine catalytic decomposition efficiency above 99%,excellent mechanical strength,good mechanical environment adaptability,and high hydrazine catalytic decomposition activity and stability.The test shows that the catalyst can meet the usage requirements of a 200 N thruster device.

关 键 词：肼类分解催化剂 单组元姿轨控发动机 200 N推力装置 热试考核 

分 类 号：V511[航空宇航科学与技术—航空宇航推进理论与工程]