Characterization of frictional pressure drop of liquid flow through curved rectangular microchannels

被引：27

作者：

Chu, Jiann-Cherng ^{[1
]}

Teng, Jyh-Tong ^{[1
]}

Xu, Ting-ting ^{[1
,2
]}

Huang, Suyi ^{[2
]}

Jin, Shiping ^{[2
]}

Yu, Xiang-fei ^{[1
,2
]}

Dang, Thanhtrung ^{[3
]}

Zhang, Chun-ping ^{[1
,2
]}

Greif, Ralph ^{[4
]}

机构：

[1] Chung Yuan Christian Univ, Dept Mech Engn, Chungli 32023, Taiwan

[2] Huazhong Univ Sci & Technol, Sch Energy & Power Engn, Wuhan 430074, Peoples R China

[3] Hochiminh City Univ Tech Educ, Dept Heat & Refrigerat Technol, Ho Chi Minh City, Vietnam

[4] Univ Calif Berkeley, Dept Mech Engn, Berkeley, CA 94720 USA

来源：

EXPERIMENTAL THERMAL AND FLUID SCIENCE | 2012年 / 38卷

关键词：

Curved microchannel; Experimental study; Flow characteristics; Dean number; HEAT-TRANSFER; WATER; SIMULATION;

D O I：

10.1016/j.expthermflusci.2011.11.015

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

This paper experimentally investigated the behavior of water through curved rectangular microchannels with different aspect ratios and curvature radii for Re numbers ranging from 10 to 600. The experimental data were compared with the results obtained from numerical analyses and the available correlations. The experimental results indicated that classical Navier-Stokes equations were applicable for the incompressible laminar flow passing through curved microchannels. Geometrical parameters, such as aspect ratio and curvature ratio, were found to have important effects on fluid flowing through curved rectangular microchannels. (C) 2011 Elsevier Inc. All rights reserved.

引用

页码：171 / 183

页数：13

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