Chengzhi Hu
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纳米颗粒影响沸腾换热特性的分子动力学模拟
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Indexed by:Journal Papers

Date of Publication:2018-01-01

Journal:工程热物理学报

Included Journals:CSCD

Volume:39

Issue:5

Page Number:1112-1117

ISSN No.:0253-231X

Key Words:纳米颗粒; 池内沸腾; 分子动力学

Abstract:本文采用分子动力学方法对纳米流体在金属表面的沸腾现象进行研究,揭示纳米流体的沸腾换热机制。模拟系统分为蒸汽氩、液体氩、固体铜板和铜纳米颗粒四部分
   。着重探讨了近壁区的纳米颗粒对沸腾换热的影响。在高过热度和低过热度两种加热情况下,探讨纳米流体和基础流体的沸腾现象。结果表明纳米颗粒的添加对沸腾
   过程有显著的影响:氩的温度、系统净蒸发率显著提高。近壁区的纳米颗粒做无规则运动并且不随流体运动。颗粒的尺寸及过热度对强化效果有显著影响。

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Gender:Male

Alma Mater:大连理工大学

Degree:Doctoral Degree

School/Department:能源与动力学院

Discipline:Energy and Environmental Engineering

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