Title: Numerical study of natural convection heat transfer of air flow inside a corrugated enclosure in the presence of an inclined heated plate

Authors: Salam Hadi Hussain; Riyadh Sabah; Farooq Hassan Ali

Addresses: Mechanical Engineering Department, College of Engineering, Babylon University, Babylon Province, Iraq ' Mechanical Engineering Department, College of Engineering, Babylon University, Babylon Province, Iraq ' Mechanical Engineering Department, College of Engineering, Babylon University, Babylon Province, Iraq

Abstract: A steady laminar natural convection of air flow in a sinusoidal corrugated enclosure containing a tilted hot thin plate located symmetrically at its centreline is numerically studied. The enclosure horizontal walls are adiabatic, while the vertical walls are sinusoidal corrugated with corrugation frequencies varied from 1 to 3 and kept at cold temperature. Finite volume was used to solve governing equations. Calculations have been made for Rayleigh numbers ranging from 103 to 106 and Prandtl number was taken to be 0.71. The average Nusselt number is found to increase as Rayleigh number increases and it slightly increases with corrugation frequency.

Keywords: natural convection; thin plates; corrugation frequency; corregated enclosures; finite volume method; convection heat transfer; air flow; inclined heated plates; laminar flow; average Nusselt number.

DOI: 10.1504/PCFD.2013.050648

Progress in Computational Fluid Dynamics, An International Journal, 2013 Vol.13 No.1, pp.34 - 43

Received: 08 May 2021
Accepted: 12 May 2021

Published online: 26 Nov 2012 *

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