Research on Staged Start of Tripropellant Thermal Propulsion System
A staged start means of tripropellant thermal propulsion system is studied. The tripropellant thermal propulsion system start is set up in four stages. Firstly, the solid propellant is ignited; secondly, start to add a small amount monopropellant at the specified time; thirdly, the fuel flow is increased gradually to get higher temperature and pressure, when the temperature and pressure is up to threshold value, and monopropellant switches to tripropellant and the system get into the stable operation. The mathematical model is given and the simulation result is present in this paper. The combustor pressure variation curve and the relative engine performance in different stage of start proceeding are shown. Simulation results give the appropriate means to provide monopropellant to guarantee the smooth switch between different stage and the stable engine work.
tripropellant thermal propulsion system staged start
YANG Jie QIAN Zhibo ZHANG Jinjun WANG Minqing
College of Marine, Northwestern Polytechnical University, Xian 710072, Shaanxi, China
国际会议
西安
英文
456-460
2007-10-23（万方平台首次上网日期，不代表论文的发表时间）