电波科学学报2017，Vol.32Issue(1)：16-21,6.DOI:10.13443/j.cjors.2016112601
尘埃等离子体的谐振问题研究
Study on resonance process of dust plasma
摘要
Abstract
Based on the kinetic theory, the dispersion relation of dust plasma is presented.Without the high/low frequency approximation, the formulas of resonance frequency and growth rate are given, and the effects of dust mass, density and carrier frequency on resonance process are discussed.The basic physical laws of dust plasma resonance process are obtained.The influence of high velocity dust particles on resonance process for the typical rocket plume is analyzed.The simulation results show that the resonance process can be excited with a dust velocity of 1 km/s, and the resonance frequency is 3 kHz.The mechanisms of dust plasma resonance and the effect of high velocity dust are of great significance for understanding the physical process of dust plasma and abnormal decay of rocket plume.关键词
尘埃等离子体/介电函数/色散关系/谐振Key words
dust plasma/dielectric function/dispersion relation/resonance process分类
天文与地球科学引用本文复制引用
徐彬,李辉,许正文,马征征,王占阁,吴健..尘埃等离子体的谐振问题研究[J].电波科学学报,2017,32(1):16-21,6.基金项目
国家自然科学基金(41004065,61601419,11672068) （41004065,61601419,11672068）
电波环境特性及模化技术重点实验室基金(2014000001) （2014000001）
