Self-Consistent Solar Wind Acceleration and Heating Due to Wave-Particle Interactions

由于波粒相互作用而产生的自洽太阳风加速和加热

• 批准号: 9908848
• 负责人: Tom Chang
• 金额: --
• 依托单位: Massachusetts Institute of Technology
• 依托单位国家: 美国
• 项目类别: Continuing grant
• 财政年份: 2000
• 资助国家: 美国
• 起止时间: 2000-04-15 至 2004-03-31
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=9908848&HistoricalAwards=false
• 关键词: Self; Consistent; Solar; Wind; Acceleration

Abstract: ATM 9908848Proposal Title: Self-Consistent Solar Wind Acceleration and Heating Due to Wave-Particle InteractionsPrincipal Investigator: Tom T Chang, MIT The investigators will construct the first self-consistent kinetic model of how ion and electron velocity distributions interact with plasma fluctuations in the solar wind. The main effort is to extend a successful research project on the "polar wind" emanating from the magnetosphere of the Earth to the solar wind. One of the main goals of the investigation is to provide a physical interpretation that relates observations of the solar corona to spacecraft measurements in the solar wind. Preliminary results indicate those wave particle interactions due to electromagnetic waves at ion cyclotron frequencies may provide the heating and acceleration of the solar wind in general, and the preferential acceleration of helium ions in particular.

摘要：ATM 9908848提案标题：自洽太阳风加速和加热由于波粒相互作用首席研究员：汤姆T张，麻省理工学院研究人员将构建第一个自洽动力学模型的离子和电子速度分布如何相互作用与等离子体波动在太阳风。主要努力是将一个关于地球磁层产生的“极地风”的成功研究项目扩大到太阳风。调查的主要目标之一是提供一种物理解释，将日冕观测与航天器对太阳风的测量联系起来。初步结果表明，这些波粒子相互作用由于在离子回旋频率的电磁波可以提供加热和加速的太阳风一般，特别是氦离子的优先加速。