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稀薄颗粒气体的运动速度几率分布函数
利用在微重力环境下获得的稀薄颗粒体系长时间(2h)运动的录像数据,得到了颗粒气体的非高斯速度几率分布,分布函数接近负e指数.应用湍流中的朗之万方程修正形式,探讨给出颗粒体系速度几率分布函数普适表达式的可能性.
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Published in: | Ke xue tong bao 2009 (11), p.1483-1487 |
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creator | 厚美瑛 李寅阊 |
description | 利用在微重力环境下获得的稀薄颗粒体系长时间(2h)运动的录像数据,得到了颗粒气体的非高斯速度几率分布,分布函数接近负e指数.应用湍流中的朗之万方程修正形式,探讨给出颗粒体系速度几率分布函数普适表达式的可能性. |
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ispartof | Ke xue tong bao, 2009 (11), p.1483-1487 |
issn | 0023-074X |
language | chi |
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subjects | 朗之万方程 速度分布律 颗粒物质 |
title | 稀薄颗粒气体的运动速度几率分布函数 |
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