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湿工况下平直翅片管换热器空气侧传热传质特性研究

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Indexed by:期刊论文

Date of Publication:2014-10-15

Journal:节能

Issue:10

Page Number:30-33

ISSN No.:1004-7948

Key Words:湿空气;传热传质;翅片管换热器;UDF

Abstract:建立了湿工况下2排叉排平直翅片管换热器空气侧对流传热传质模型,利用Fluent软件进行了模拟,通过编写UDF( User-Defined Function)添加潜热换热质量源项、能量源项。模拟结果表明空气迎面风速、相对湿度以及壁面过冷度对显热换热系数的影响不大,但会对冷凝对流换热系数产生重要影响。

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