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强化传热期刊
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ISSN 打印: 1065-5131
ISSN 在线: 1026-5511

强化传热期刊

DOI: 10.1615/JEnhHeatTransf.v11.i4.10
pages 249-256

An Empirical Correlation for EHD Enhanced Natural Convection Heat Transfer Along a Plate Surface

Fa-Gang Wang
Shandong University of Technology, 255049, Shandong Zibo, China
Yong-Qi Liu
Shandong University of Technology, 255049, Shandong Zibo, China
Rui-Yang Li
University of Shanghai for Science and Technology, 200093, Shanghai, China
Hong-Ling Yu
University of Shanghai for Science and Technology, 200093, Shanghai, China
Zong-Hu Lin
University of Shanghai for Science and Technology, 200093, Shanghai, China

ABSTRACT

The experiment of ether natural convection heat transfer, along a horizontal plate brass, was performed with an applied uniform electric field. A new empirical correlation was presented for predicating the extent of EHD enhancement of natural convection from heated horizontal plate. This correlation is applicable over a range of electric Rayleigh Numbers from 3 × 104 to 4 × 107 and heat fluxes from 0.5 kW/m2 to 3.5 kW/m2.The error between the experimental data and calculated results is less than 20%. This correlation is suitable only for the liquid ether in some range of heat fluxes.


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