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Início Arquivos Thermal Letter Representantes Futuras reuniões Assembléia das Conferências Internacionais de Transferência de Calor
International Heat Transfer Conference 12

ISSN: 2377-424X (online)
ISSN: 2377-4371 (flashdrive)

Free convection boundary layer on an isothermal horizontal circular cylinder in a micropolar fluid

Roslinda Nazar
School of Mathematical Sciences, Faculty of Science and Technology, Universiti Kebangsaan Malaysia, 43600 Bangi, Selangor, Malaysia

Norsarahaida Saidina Amin
Department of Mathematics, Faculty of Science, University Technology Malaysia, 81300 Skudai, Johor, Malaysia

Ioan Pop
Department of Applied Mathematics, Babes-Bolyai University, 400084 Cluj-Napoca, Romania

DOI: 10.1615/IHTC12.2030
6 pages

Resumo

Following the study conducted by Merkin (1976) for the case of free convection boundary layer past an isothermal horizontal circular cylinder in a viscous fluid, the present work considers the steady laminar free convection boundary layer flow over an isothermal horizontal circular cylinder in a micropolar fluid. The governing boundary layer equations are first transformed into a non-dimensional form and the resulting nonlinear system of partial differential equations is then solved numerically using the Keller-box method. Numerical results presented include velocity, temperature and angular velocity profiles of the micropolar fluid as well as heat transfer characteristics, namely the local heat transfer and local skin friction coefficients for a wide range of material parameter K. The Prandtl number is taken to be unity.

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