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Numerical study of turbulent heat transfer in separated flow: review


Citation

Togun, Hussein and Abdulrazzaq, Tuqa and Kazi, Md. Salim Newaz and Kadhum, Abdul Amir Hassan and Badarudin, Ahmed and Mohd Ariffin, Mohd Khairol Anuar and Sadeghinezhad, Emad (2013) Numerical study of turbulent heat transfer in separated flow: review. International Review of Mechanical Engineering, 7 (2). pp. 337-349. ISSN 1970-8734; ESSN: 1970-8742

Abstract

The numerical studies of turbulent heat transfer in separation flow presented in this paper. Enhancement of heat transfer rate in turbulent separation flow at sudden expansion in passage, over forward or backward facing-steps, blunt body, ribs channel, and swirl generators in channels were investigated numerically. Different models (CFD) used to study heat transfer characteristics and fluid flow in separation and reattachment region and compared results with previous experimental data. The effect of expansion ratio, Reynolds number, step height, (shape, number, and angle) of ribs and (length, twist angle, and gap width) twist the tape on improvement of heat transfer were referred. The numerical results indicated increases of heat transfer coefficients with increases in the above parameters. The numerical simulations derived from finite volume, element, and difference methods for evaluation of turbulent heat transfer in separated flow and employed several computational programs.


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Additional Metadata

Item Type: Article
Divisions: Faculty of Engineering
Publisher: Praise Worthy Prize
Keywords: Separation flow; Sudden expansion; Facing-step; Twist tape; Swirl flow; Ribbed channel
Depositing User: Nabilah Mustapa
Date Deposited: 05 Aug 2015 05:25
Last Modified: 29 Dec 2015 04:49
URI: http://psasir.upm.edu.my/id/eprint/28713
Statistic Details: View Download Statistic

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