Computational modeling of gaseous flow and heat transfer in a wavy microchannel

被引：0
|
作者：
Alshare, Aiman [1 ]
Al-Kouz, Wael [1 ]
Kiwan, Suhil [2 ]
Al-Khalidi, Ammar [3 ]
Hader, Montasir [4 ]
机构：
[1] German Jordanian Univ, Dept Mech Engn, Amman, Jordan
[2] Jordan Univ Sci & Technol, Dept Mech Engn, Irbid, Jordan
[3] German Jordanian Univ, Engery Engn Dept, Amman, Jordan
[4] Jordan Univ Sci & Technol, Aeronaut Engn Dept, Irbid, Jordan
来源：
JORDAN JOURNAL OF MECHANICAL AND INDUSTRIAL ENGINEERING | 2016年 / 10卷 / 01期
关键词：
Wavy; microchannel; slip flow; temperature jump; Knudsen number;
D O I：
暂无
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
The present work is an investigation of the developing gas flow and heat transfer through a wavy micro-channel. Computational fluid dynamics ( CFD) is used to solve the fluid flow and energy equations along with the slip flow and temperature jump boundary conditions. The simulations are carried out using three wavy amplitudes for Knudsen number 0.025 to 0.1 in the slip flow regime. It is shown that increasing the wavy amplitude results in augmentation of the heat transfer rate at the cost of increasing the frictional losses. However, the rarefication has a declining effect on both friction factor and Nusselt number. Correlations for the friction factor and Nusselt number as function of amplitude and Knudsen number are provided. (C) 2016 Jordan Journal of Mechanical and Industrial Engineering. All rights reserved
引用
收藏
页码：75 / 83
页数：9
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