Plasma Wave Generation in the Ionosphere and Plasmasphere by Superthermal Electrons

超热电子在电离层和等离子体层中产生等离子体波

• 批准号: 9412409
• 负责人: George Khazanov
• 金额: $ 18万
• 依托单位: Regents of the University of Michigan - Ann Arbor
• 依托单位国家: 美国
• 项目类别: Continuing Grant
• 财政年份: 1994
• 资助国家: 美国
• 起止时间: 1994-08-01 至 1995-07-31
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=9412409&HistoricalAwards=false
• 关键词: Plasma; Wave; Generation; Ionosphere; Plasmasphere

Project Summary Khazanov/ATM-9412409 This research will investigate a linear stage of the plasma wave generation in the ionosphere-plasmasphere system due to the presence of superthermal electrons. The PIs will accomplish this investigation through their continuing development of the kinetic theory of superthermal electrons in the ionosphere and plasmasphere. The research will include the following tasks: (1) conducting a numerical study of the non-steady-state Boltzmann- Landau kinetic equation for superthermal electrons in the ionosphere and plasmasphere along open and closed geomagnetic field lines, (2) incorporating the non-steady-state ionospheric- plasmaspheric coupling of the superthermal electrons in a time- dependent transport model of plasma flows, (3) considering an electrodynamical aspect of the non-steady-state transport of superthermal electrons and including the effects of the electron distribution function in the formation of a self-consistent electrostatic potential in the space plasma, and (4) exploring the linear theory of plasma wave generation in the ionosphere- plasmasphere system due to the presence of superthermal electrons.

Khazanov/ATM-9412409 本研究将探讨由于超热电子的存在，在电离层电浆激发系统中电浆波产生的线性阶段。 PI将通过继续发展电离层和等离子体中超热电子的动力学理论来完成这项调查。 研究将包括以下任务：（1）对电离层和等离子体层中沿着开放和闭合地磁场线的超热电子的非稳态朗道动力学方程进行数值研究，（2）将超热电子的非稳态电离层-等离子体层耦合纳入等离子体流的时间相关输运模型中，（3）考虑超热电子非稳态输运的电动力学方面，包括电子分布函数对空间等离子体中自洽静电势形成的影响;（4）探索电离层-等离子体系统中由于超热电子的存在而产生等离子体波的线性理论。