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尘埃等离子体流体中热传输过程的实验研究

Experimental study of the heat transport processes in dusty plasma fluid.

作者信息

Fortov V E, Vaulina O S, Petrov O F, Vasiliev M N, Gavrikov A V, Shakova I A, Vorona N A, Khrustalyov Yu V, Manohin A A, Chernyshev A V

机构信息

Institute of High Energy Densities JIHT RAS, Moscow, 125412, Russia.

出版信息

Phys Rev E Stat Nonlin Soft Matter Phys. 2007 Feb;75(2 Pt 2):026403. doi: 10.1103/PhysRevE.75.026403. Epub 2007 Feb 16.

DOI:10.1103/PhysRevE.75.026403
PMID:17358428
Abstract

The results are given of an experimental investigation of heat transport processes in fluid dusty structures in rf-discharge plasmas under different conditions: for discharge in argon, and for discharge in air under an action of electron beam. The analysis of steady-state and unsteady-state heat transfer is used to obtain the coefficients of thermal conductivity and thermal diffusivity under the assumption that the observed heat transport is associated with a thermal conduction in the dusty component of plasmas. The temperature dependence of these coefficients is obtained, which agrees qualitatively with the results of numerical simulation for simple monatomic liquids.

摘要

给出了在不同条件下对射频放电等离子体中流体尘埃结构内热传输过程的实验研究结果

氩气放电以及电子束作用下空气中的放电。在假设观测到的热传输与等离子体尘埃成分中的热传导相关的情况下,通过对稳态和非稳态热传递的分析来获得热导率和热扩散系数。得到了这些系数与温度的关系,这与简单单原子液体的数值模拟结果在定性上是一致的。

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