推进技术 ›› 2009, Vol. 30 ›› Issue (5): 638-640.
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王广宇,洪延姬
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摘要: 平均推力测量是脉冲微推力器推进性能研究的关键问题之一。研究了在标准的周期性信号作用下,二阶系统的响应与输入之间的关系。在欠阻尼条件下,得到了系统稳态平均回复力等于平均推力的重要结论,仿真结果证实了结论。研究结果亦可应用于脉冲微推力器的总冲研究。
关键词: 激光推进;脉冲推力器;推力;推力测量;比冲
Abstract: Average thrust measurement is one of the key problems on studying propulsion performance of pulse micro-thruster.This paper investigates the relationship between response of second-order system and input signal with the input as standard periodic signal.On the underdamping condition,it is found that steady-state average restoring force equals to the average thrust.Simulation results validates this.The results can be applied to research total impulse measurement.
Key words: Laser propulsion;Pulsed thruster;Thrust;Thrust measurement;Specific impulse
王广宇,洪延姬. 脉冲微推力器平均推力测量研究[J]. 推进技术, 2009, 30(5): 638-640.
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