H2/O2发动机喷管内表面充注研究

2016 International Conference on Electromagnetics in Advanced Applications (ICEAA) Pub Date : 2016-09-01 DOI:10.1109/ICEAA.2016.7731447

H. Cao, J. B. Zhang, J. Ren, J. Xiao

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引用次数: 0

摘要

在H2/O2火箭发动机工作时，喷管内带电粒子引起的充注会对飞机造成不利影响。本文以气体动力学理论为基础，利用粒子的麦克斯韦速度分布函数，建立了H2/O2火箭发动机喷管内表面充电电位的一般方程。假设考虑了带电粒子的质量、温度和密度以及喷嘴内表面材料的二次电子发射产率等因素。分析了不同情况下的表面充电电位，总结了充电规律。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Study on the internal surface charging of H2/O2 engine nozzles

The charging caused by charged particles in the nozzle can disadvantage the aircraft while the H2/O2 rocket engine is in operation. Based on the kinetic theory of gases, this paper makes use of the Maxwell velocity distribution function of the particles to formulate a general equation of the internal surface charging electrical potential of the H2/O2 rocket engine nozzle. Factors such as the mass, temperature and density of the charged particles and the secondary electronic emission yield of the internal surface materials of the nozzle are considered hypothetically. The surface charging electric potential of varied cases is analyzed and the charging law is summarized.

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2016 International Conference on Electromagnetics in Advanced Applications (ICEAA)

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