低功率水电弧加热发动机的初步研究  

Elementary research on low power arcjet with water propellant

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作  者:沈岩[1] 魏延明[1] 赵文华[1] 

机构地区:[1]北京控制工程研究所,北京100080

出  处:《火箭推进》2006年第6期23-27,共5页Journal of Rocket Propulsion

摘  要:本文研究了以水为推进剂的电弧加热发动机。其中电弧加热发动机的流量为15mg/s、电流为8A,此时平均电压为80.5V、功率约为640W、平均推力为0.0975N,以此计算得到比冲为650s左右、效率为55%~60%。成功地验证了水做为电弧加热发动机的推进剂、产生推力的能力。Water is an absolutely necessarily material for any manned spacecraft, and it's also a clean propellant for electrical propulsion which could be obtained from other planet or the air conditioning system of spaceeraft Therefore the research is quite meaningful for manned spacecraft and deep space probe mission. Principle research on Arcjet system is introduced in this paper. According to current experimental results, at the power of 600W and the voltage of 80.5V, the average specific impulse and thrust is 650s and 0.975mN respectively. Thus the capability of arcjet with water as propellant is successfully verified.

关 键 词: 电弧加热发动机 电推进 

分 类 号:V439.4[航空宇航科学与技术—航空宇航推进理论与工程]

 

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