固液混合火箭发动机研究进展

固液火箭发动机因其推进剂能量较高、安全性好、易实现推力调节、可实现多次启停、药柱稳定型好、温度敏感性低、环保性佳和经济性好的特点,十分符合下一代航天平台绿色环保、智能随控、快速响应的发展需求,在探空火箭、亚轨道飞行器、靶标、小型运载火箭、助推器、上面级动力系统、姿轨控动力系统、着陆器和其他许多民用商业航天领域中都具有良好的应用前景。分析了固液火箭发动机的国内外发展现状及发展趋势,对国内外固液火箭发动机相关的典型项目、工程应用和关键技术发展情况进行了回顾和总结,并以此为基础总结固液火箭发动机技术的发展趋势和有待进一步突破的关键技术。

An Overview of Hybrid Rocket Motor Research Progress

Hybrid rocket motor has many advantages such as high-energy propellants, safety, simplified throttling, multiple starts, high grain stability, low temperature sensitivity, non-pollution and good economy. Hybrid rocket motor meets the requirements of next generation space platforms in respect of environmental protection, intelligent real-time control and rapid launch. Thus, hybrid rocket motor has good application potential in sounding rocket, sub-orbital vehicle, tactical missile, small launch vehicle, booster, upper stage and orbit control power system, lander et al. Hybrid rocket motor has been the new research focus of relative researchers in many countries.This work surveys the development status and trend of hybrid rocket motor, summarizes the typical projects, engineering applications and key technologies. Nowadays, investigations on hybrid rocket motor is mainly intended to make best use of its advantages and avoid the drawbacks.