Stability Analysis of a Keplerian Disk of Granular Grains: Influence of Thermal Diffusion

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• 作者：Spahn ; Frank ; Schmidt ; Jü ; rgen ; Petzschmann ; Olaf ; Salo ; Heikki
• 关键词：planetary rings ; Saturn
• 刊名：Icarus
• 出版年：2000
• 期刊代码：90_00191035
• 类别：ph
• 出版时间：June, 2000
• 卷：145
• 期：2
• 页码：657-660
• 文件大小：102 K

摘要

We extend the investigation of the viscous stability of a dense planetary ring by the effect of thermal diffusion of random kinetic energy. We find that this additional diffusive process has mainly a stabilizing effect on the overstable modes.