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OALib Journal期刊
ISSN: 2333-9721
费用：99美元
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带有平直-矩形内翅片管的流动与传热特性
DOI: 10.3969/j.issn.1671-7627.2013.02.005, PP. 21-29
Keywords: 内翅片管,平直-矩形翅片,传热性能,egr冷却器,努塞尔数
Abstract:
利用三维模拟计算与试验的方法研究应用于废气再循环(egr)冷却器的带有平直-矩形内翅片管的流动与传热特性,以及内翅片的迎风距离对管侧传热的影响。研究表明:这种新型的内翅片管能够显著地强化传热;数值模拟计算获得的管侧压降.摩擦因子和努塞尔数与试验方法得到的数据相比,最大偏差分别是6.7%、6.5%和5.9%;内翅片的迎风距离越大,传热性能越好。
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