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Início Arquivos Thermal Letter Representantes Futuras reuniões Assembléia das Conferências Internacionais de Transferência de Calor
International Heat Transfer Conference 4

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

BOUNDARY VORTICITY METHOD FOR CONVECTIVE HEAT TRANSFER WITH SECONDARY FLOW-APPLICATION TO THE COMBINED FREE AND FORCED LAMINAR CONVECTION IN HORIZONTAL TUBES

Guang Jyh Hwang
Department of Mechanical Engineering University of Alberta, Edmonton 7, Alberta, Canada

K. C. Cheng
Department of Mechanical Engineering, University of Alberta Edmonton, Canada

DOI: 10.1615/IHTC4.3670
pages 1-12

Resumo

A finite-difference solution using line iterative method is presented for the fully developed combined free and forced laminar convection in uniformly heated horizontal tubes. A boundary vorticity method is developed for the solution of the Navier-Stokes equation with biharmonic function. One of the objectives of this investigation is to bridge the gap between the perturbation solution for very small parameter (ReRa) and the boundary layer approximation for very large parameter. Graphical results for flow and heat transfer are presented for representative Prandtl numbers with comparison made against the available results in the literature.

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