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流体在超轻多孔金属泡沫中的流动和换热特性
Authors
徐进良
纪献兵
Publication date
1 January 2009
Publisher
Abstract
以去离子水为冷却液,对其在超轻多孔铜泡沫中的流动和换热特性进行了实验研究。在测定和分析流量、压力降和温度等实验参数的基础上,获取了热流密度、金属泡沫孔密度、液体流量等参数对层流流体流过金属泡沫时的压力降、通道壁面温度、对流换热等特性的影响。结果表明金属泡沫会显著强化对流换热,大大降低通道的壁面温度,其对流换热能力会随Reynolds数的增大而逐渐增强,最大Nusselt数可达空矩形通道的13倍,但与空通道相比,金属泡沫通道的压力降显著增大,并随Reynolds数及金属泡沫孔密度的增大而增大
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Institutional Repository of GuangZhou Institute of Energy Conversion, CAS
See this paper in CORE
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oai:ir.giec.ac.cn:344007/20338
Last time updated on 05/12/2019
Institutional Repository of GuangZhou Institute of Energy Conversion, CAS
See this paper in CORE
Go to the repository landing page
Download from data provider
oai:ir.giec.ac.cn:344007/20336
Last time updated on 05/12/2019