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

Md. Farhad Ismail, Muhammad Noman Hasan and Suvash C. Saha

Energy, 2014, vol. 64, issue C, 632-639

Abstract: 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–ω 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.

Keywords: Turbulent convection heat transfer; Perforation shape; Fin effectiveness; Friction drag coefficient (search for similar items in EconPapers)
Date: 2014
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Handle: RePEc:eee:energy:v:64:y:2014:i:c:p:632-639