Research on the ionospheric ion velocity distribution and the incoherent scattering spectra of the radar with the 16-moments approximation for the relaxation collision model
作者： Bao-Ke Ma , Li-Xin Guo , Hong-Tao Su , Bei-Chen Zhang
DOI: 10.1016/J.IJLEO.2013.06.032
关键词: Relaxation (approximation) 、 Distribution function 、 Collision 、 Boltzmann constant 、 Convection–diffusion equation 、 Physics 、 Computational physics 、 Incoherent scatter 、 Boltzmann equation 、 Ion 、 Atomic physics
摘要: Abstract The distribution function which given by Grad cannot be used to describe the ionospheric ion velocity due larger anisotropic temperature appears in high-latitude ionosphere. In this article, based on Boltzmann equation, relaxation collision model (RCM) was substitute integration, and a non-Maxwell with 16-moments approximation for bi-Maxwell given, transport equation also derived solved. Moreover, distribution, solution of incoherent scattering spectra 13-moments were simulated, analyzed compared. research shows that compared approximation, is more suitable characteristics
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