Numerical study of turbulent fluid flow and heat transfer in lateral perforated extended surfaces

被引：28
|
作者：
Ismail, Farhad [1 ]
Hasan, Muhammad Noman [2 ]
Saha, Suvash C. [3 ]
机构：
[1] Simon Fraser Univ, Sch Mechatron Syst Engn, Surrey, BC V3T 0A3, Canada
[2] Univ Akron, Dept Mech Engn, Akron, OH 44325 USA
[3] Queensland Univ Technol, Sch Chem Phys & Mech Engn, Brisbane, Qld 4001, Australia
来源：
ENERGY | 2014年 / 64卷
关键词：
Turbulent convection heat transfer; Perforation shape; Fin effectiveness; Friction drag coefficient; PERFORMANCE ANALYSIS; DIMPLED SURFACE; PLATE FIN; ARRAY; CONVECTION;
D O I：
10.1016/j.energy.2013.10.079
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
Numerical study has been performed in this study to investigate the turbulent convection heat transfer on a rectangular plate mounted over a flat surface. Thermal and fluid dynamic performances of extended surfaces having various types of lateral perforations with square, circular, triangular and hexagonal cross sections are investigated. RANS (Reynolds averaged Navier-Stokes) based modified k-omega turbulence model is used to calculate the fluid flow and heat transfer parameters. Numerical results are compared with the results of previously published experimental data and obtained results are in reasonable agreement. Flow and heat transfer parameters are presented for Reynolds numbers from 2000 to 5000 based on the fin thickness. (C) 2013 Elsevier Ltd. All rights reserved.
引用
收藏
页码：632 / 639
页数：8
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