Collective Behavior of Dusty Plasmas in Space

太空中尘埃等离子体的集体行为

• 批准号: 9420627
• 负责人: Marlene Rosenberg
• 金额: $ 15.7万
• 依托单位: University of California-San Diego
• 依托单位国家: 美国
• 项目类别: Continuing Grant
• 财政年份: 1995
• 资助国家: 美国
• 起止时间: 1995-05-01 至 1998-04-30
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=9420627&HistoricalAwards=false
• 关键词: Collective; Behavior; Dusty; Plasmas; Space

This project will conduct fundamental theoretical research on selected topics in the collective behavior of dusty plasmas with applications to phenomena in dusty space. The physical effects studied include (1) grain charging, (2) grain dynamics and transport, and (3) waves, instabilities, and anomalous transport. This research will investigate how realistic attributes of grains in space such as finite grain size affects grain charging processes such as secondary electron emission and photoemission. The research will specifically address the motion of dust grains or aerosols in noctilucent clouds and polar mesospheric clouds in the Earth's ionosphere. The proposed research will substantially advance knowledge in the collective behavior of dusty plasmas. ***

该项目将对灰尘等离子体的集体行为的选定主题进行基本理论研究，并应用于尘土空间中的现象。 研究的物理效果包括（1）谷物充电，（2）晶粒动力学和运输，以及（3）波，不稳定性和异常运输。 这项研究将研究谷物在空间中的现实属性，例如有限的晶粒大小会影响谷物充电过程，例如二级电子发射和光发射。 这项研究将特别解决地球电离层中夜光云和极地层云中尘埃颗粒或气溶胶的运动。 拟议的研究将大大提高尘土等离子体的集体行为的知识。 ***