Calculation method of microwave attenuation by exhaust plume of solid rocket motors

ZHANG Shuo; WEI Zhi-jun; WANG Ning-fei; ZHANG Ping

Volume 24 Issue 3

Mar. 2009

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ZHANG Shuo, WEI Zhi-jun, WANG Ning-fei, ZHANG Ping. Calculation method of microwave attenuation by exhaust plume of solid rocket motors[J]. Journal of Aerospace Power, 2009, 24(3): 705-710.

Citation:

ZHANG Shuo, WEI Zhi-jun, WANG Ning-fei, ZHANG Ping. Calculation method of microwave attenuation by exhaust plume of solid rocket motors[J]. Journal of Aerospace Power, 2009, 24(3): 705-710.

ZHANG Shuo, WEI Zhi-jun, WANG Ning-fei, ZHANG Ping. Calculation method of microwave attenuation by exhaust plume of solid rocket motors[J]. Journal of Aerospace Power, 2009, 24(3): 705-710.

Citation:

ZHANG Shuo, WEI Zhi-jun, WANG Ning-fei, ZHANG Ping. Calculation method of microwave attenuation by exhaust plume of solid rocket motors[J]. Journal of Aerospace Power, 2009, 24(3): 705-710.

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Calculation method of microwave attenuation by exhaust plume of solid rocket motors

1.
The 3rd Academy of China Aerospace Science and Industry Corporation, Beijing 100074, China
2.
School of Aerospace Science and Engineering, Benjing Institute of Technology, Beijing 100081, China

Received Date: 2008-01-27
Rev Recd Date: 2008-04-08
Publish Date: 2009-03-28

Abstract

Abstract

The attenuation mechanism of microwave was investigated according to the standard Maxwell equations of exhaust plume plasma.With a reference to the Shukla charging equation of particle components,the prediction method of microwave attenuation by weakly ionized exhaust plume plasma was presented.Radio frequency attenuation calculation(RFAC) software was designed and used to calculate the rules of complex conductivity and microwave attenuation constant that are influenced by some special exhaust plume field parameters.The RFAC and ThermoCalc propellant thermo evaluation system was used comprehensively to calculate the microwave attenuation by nozzle exhaust plume field that comes from two different kinds of propellant.The calculation consequences are in well agreement with the experimental results in citation.
- microwave attenuation,
- exhaust plume,
- solid rocket motor,
- conductivity,
- attenuation constant