Experimental investigation on heat transfer enhancement from a heated circular cylinder with constant heat input power in turbulent pulsating crossflows

被引：7
|
作者：
Li, Guoneng [1 ]
Zheng, Youqu [1 ]
Xu, Yousheng [1 ]
Hu, Guilin [1 ]
Zhang, Zhiguo [1 ]
机构：
[1] Zhejiang Univ Sci & Technol, Dept Energy & Environm Syst Engn, Hangzhou 310023, Zhejiang, Peoples R China
来源：
HEAT AND MASS TRANSFER | 2014年 / 50卷 / 10期
基金：
中国国家自然科学基金;
关键词：
LARGE-EDDY SIMULATION; CONVECTION; CHANNEL; TUBE;
D O I：
10.1007/s00231-014-1355-8
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
Experiments were carried out to study the heat transfer performance of a heated circular cylinder in turbulent pulsating crossflows. For a single heated circular cylinder, heat transfer enhancement factors up to 1.26 were observed in the studied parameter range. Two empirical correlations with different deviations were developed. The heat transfer enhancement factor was found to decrease with Strouhal number and Reynolds number, but increase in trend with the ratio of pulsating to steady Reynolds number.
引用
收藏
页码：1417 / 1427
页数：11
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