法拉第型磁流体发电机试验和数值仿真

doi:10.7527/S1000-6893.2020.23980

ACTA AERONAUTICAET ASTRONAUTICA SINICA ›› 2020, Vol. 41 ›› Issue (11): 123980-123980.doi: 10.7527/S1000-6893.2020.23980

• Fluid Mechanics and Flight Mechanics • Previous Articles Next Articles

Faraday type MHD generator: Experiment and numerical simulation

LIU Feibiao¹, WANG Zhu¹, PENG Yan², OU Dongbin³, ZHU Anwen¹

1. Beijing Institute of Spacecraft System Engineering, Beijing 100094, China;
2. Institute of Electrical Engineering, Chinese Academy of Sciences, Beijing 100190, China;
3. China Academy of Aerospace Aerodynamics, Beijing 100074, China

Received:2020-03-16 Revised:2020-03-31 Online:2020-11-15 Published:2020-06-04
Supported by:
CNSA(D010501)

Abstract

Abstract: The high power space power system is in urgent demand for the next generation aerospace missions. This paper presents the ground-based experiment of the high temperature inert gas Faraday type MHD generator first conducted in China, with arc heater as the heating source, argon the working gas, and cesium injected to improve the conductivity of the working gas. The faraday type MHD generation is successfully carried out, with the maximum output power reaching 194 W under 1 T magnetic field strength and the power density being 866 kW/m³. Three-dimensional numerical simulation is conducted under the experiment conditions, showing that the MHD generator output character is largely affected by the seed injection effect and working gas velocity. To avoid these problems, the generator processing technology needs to be improved to reduce the voltage drop, and the nozzle needs redesign.

Key words: Faraday type, MHD generation, arc heater, output power, inert gas

CLC Number:

V442

LIU Feibiao, WANG Zhu, PENG Yan, OU Dongbin, ZHU Anwen. Faraday type MHD generator: Experiment and numerical simulation[J]. ACTA AERONAUTICAET ASTRONAUTICA SINICA, 2020, 41(11): 123980-123980.

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Faraday type MHD generator: Experiment and numerical simulation

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