Prediction and experimental measurement of electromagnetic thrust generated by a microwave thruster system

doi:10.1088/1674-1056/22/5/050301

中国物理B ›› 2013, Vol. 22 ›› Issue (5): 50301-050301.doi: 10.1088/1674-1056/22/5/050301

Prediction and experimental measurement of electromagnetic thrust generated by a microwave thruster system

杨涓, 王与权, 马艳杰, 李鹏飞, 杨乐, 王阳, 何国强

College of Astronautics, Northwestern Polytechnical University, Xi'an 710072, China

收稿日期:2012-03-16 修回日期:2012-12-29 出版日期:2013-04-01 发布日期:2013-04-01
基金资助:
Project supported by the National Natural Science Foundation of China (Grant No. 90716019).

Prediction and experimental measurement of electromagnetic thrust generated by a microwave thruster system

Yang Juan (杨涓), Wang Yu-Quan (王与权), Ma Yan-Jie (马艳杰), Li Peng-Fei (李鹏飞), Yang Le (杨乐), Wang Yang (王阳), He Guo-Qiang (何国强)

College of Astronautics, Northwestern Polytechnical University, Xi'an 710072, China

Received:2012-03-16 Revised:2012-12-29 Online:2013-04-01 Published:2013-04-01
Contact: Yang Juan E-mail:yangjuan@nwpu.edu.cn
Supported by:
Project supported by the National Natural Science Foundation of China (Grant No. 90716019).

摘要/Abstract

摘要： A microwave thruster system that can convert microwave power directly to thrust without gas propellant is developed. In the system, a cylindrical tapered resonance cavity and a magnetron microwave source are used respectively as the thruster cavity and the energy source to generate the electromagnetic wave. The wave is radiated into and then reflected from the cavity to form a pure standing wave with a non-uniform electromagnetic pressure distribution. Consequently, a net electromagnetic thrust exerted on the axis of the thruster cavity appears, which is demonstrated through theoretical calculation based on the electromagnetic theory. The net electromagnetic thrust is also experimentally measured in the range from 70 mN to 720 mN when the microwave output power is from 80 W to 2500W.

关键词: electromagnetic waves, Maxwell stress tensor, electromagnetic processes and properties

Abstract: A microwave thruster system that can convert microwave power directly to thrust without gas propellant is developed. In the system, a cylindrical tapered resonance cavity and a magnetron microwave source are used respectively as the thruster cavity and the energy source to generate the electromagnetic wave. The wave is radiated into and then reflected from the cavity to form a pure standing wave with a non-uniform electromagnetic pressure distribution. Consequently, a net electromagnetic thrust exerted on the axis of the thruster cavity appears, which is demonstrated through theoretical calculation based on the electromagnetic theory. The net electromagnetic thrust is also experimentally measured in the range from 70 mN to 720 mN when the microwave output power is from 80 W to 2500W.

Key words: electromagnetic waves, Maxwell stress tensor, electromagnetic processes and properties

中图分类号: (Classical electromagnetism, Maxwell equations)

03.50.De

41.20.Jb (Electromagnetic wave propagation; radiowave propagation) 13.40.-f (Electromagnetic processes and properties)

杨涓, 王与权, 马艳杰, 李鹏飞, 杨乐, 王阳, 何国强. Prediction and experimental measurement of electromagnetic thrust generated by a microwave thruster system[J]. 中国物理B, 2013, 22(5): 50301-050301.

Yang Juan (杨涓), Wang Yu-Quan (王与权), Ma Yan-Jie (马艳杰), Li Peng-Fei (李鹏飞), Yang Le (杨乐), Wang Yang (王阳), He Guo-Qiang (何国强). Prediction and experimental measurement of electromagnetic thrust generated by a microwave thruster system[J]. Chin. Phys. B, 2013, 22(5): 50301-050301.

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Prediction and experimental measurement of electromagnetic thrust generated by a microwave thruster system

Prediction and experimental measurement of electromagnetic thrust generated by a microwave thruster system

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