Emitting Electrodes Effect on the Enhancement of Heat Transfer by a Two Stage Electrohydrodynamic Gas Pump

被引：1
|
作者：
Mazumder, A. K. M. Monayem H. [1 ]
机构：
[1] Saginaw Valley State Univ, University Ctr, MI 48710 USA
来源：
IEEE TRANSACTIONS ON INDUSTRY APPLICATIONS | 2023年 / 59卷 / 01期
关键词：
Electrodes; Corona; Wires; Heat transfer; Electric fields; Heat pumps; Electric potential; Electrohydrodynamic; electrostatics; emitting electrodes; enhancement; gas pump; heat transfer; numerical simulation; nusselt number; reynolds number; thermal hydraulic performance; FORCED-CONVECTION; ELECTRICAL CONDITIONS; CHANNEL; PERFORMANCE;
D O I：
10.1109/TIA.2022.3210898
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
In this study, emitting electrodes effect on the enhancement of heat transfer by a two stage electrohydrodynamic (EHD) gas pump is numerically analyzed. This study is implemented for a two stage EHD gas pump with 24 emitting electrodes configuration and the results are compared with 8 and 56 emitting electrodes configurations. The EHD gas pump is evaluated for a wide range of operating voltages starting from 20 kV up to 28 kV and wide range of Reynolds numbers (Re). The Reynolds numbers considered in this study varies in a range between 100 and 2000. At Re = 100, a maximum increase of 42% in the average Nusselt number is achieved with an applied voltage of 28 kV. The overall effectiveness of the EHD gas pump in heat transfer enhancement is evaluated by the thermal hydraulic performance parameter, (Nu/Nu(0))/(f/f(0)), which is always greater than unity. EHD technique has a great potential.
引用
收藏
页码：441 / 449
页数：9
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