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Radiation effects on natural convection laminar flow from a horizontal circular cylinder

Molla, M. M., Saha, S. C., Khan, M. A. I., & Hossain, M. A. (2011) Radiation effects on natural convection laminar flow from a horizontal circular cylinder. Desalination and Water Treatment, 30, pp. 89-97.

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Abstract

The effect of radiation on natural convection flow from an isothermal circular cylinder has been investigated numerically in this study. The governing boundary layer equations of motion are transformed into a non-dimensional form and the resulting nonlinear systems of partial differential equations are reduced to convenient boundary layer equations, which are then solved numerically by two distinct efficient methods namely: (i) implicit finite differencemethod or the Keller-Box Method (KBM) and (ii) Straight Forward Finite Difference Method (SFFD). Numerical results are presented by velocity and temperature distribution of the fluid as well as heat transfer characteristics, namely the shearing stress and the local heat transfer rate in terms of the local skin-friction coefficient and the local Nusselt number for a wide range of surface heating parameter and radiation-conduction parameter. Due to the effects of the radiation the skin-friction coefficients as well as the rate of heat transfer increased and consequently the momentum and thermal boundary layer thickness enhanced.

Impact and interest:

2 citations in Scopus
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1 citations in Web of Science®

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ID Code: 44113
Item Type: Journal Article
Keywords: Natural convection, Radiation-conduction interaction, Finite difference method, Horizontal circular cylinder
DOI: 10.5004/dwt.2011.1870
ISSN: 1944-3994
Subjects: Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > MECHANICAL ENGINEERING (091300) > Numerical Modelling and Mechanical Characterisation (091307)
Divisions: Past > QUT Faculties & Divisions > Faculty of Built Environment and Engineering
Past > Schools > School of Engineering Systems
Copyright Owner: Copyright 2011 Desalination Publications
Deposited On: 22 Aug 2011 17:58
Last Modified: 31 Mar 2013 05:25

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