Grain surface temperature in noble gas discharges: Refined analytical model

Grain surface temperature in noble gas discharges: Refined analytical model
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惰性气体放电中的颗粒表面温度:精细的分析模型

DOI:
10.1063/1.2359282
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发表时间:
2006
期刊:
影响因子:
2.2
通讯作者:
G. Morfill
G. Morfill
中科院分区:
物理与天体物理3区
文献类型:
--
作者:
S. Khrapak;G. Morfill

文献摘要

被引文献

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通过考虑晶粒附近稀有离子-中性碰撞的影响,对低压弱电离复杂等离子体中的晶粒表面温度模型进行了改进。这些碰撞增强了颗粒的等离子体收集,并导致颗粒温度显着升高。结果表明,碰撞增强血浆收集模型与现有实验的结果总体上具有更好的一致性。还简要讨论了晶粒表面与周围气体之间的温差对晶粒相互作用势的影响。
A model of grain surface temperature in a low-pressure weakly ionized complex plasma is refined by taking into account the effect of rare ion-neutral collisions in the vicinity of the grain. These collisions enhance plasma collection by the grain and can result in a considerable increase of the grain temperature. It is shown that the collision enhanced plasma collection model yields generally better agreement with the results of existing experiments. The effect of the temperature difference between the grain surface and the surrounding gas on the grain-grain interaction potential is also briefly discussed.