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Effects of viscous dissipation and fluid axial heat conduction on laminar heat transfer in ducts with constant wall temperature : Part III : Annular ducts


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Title: Effects of viscous dissipation and fluid axial heat conduction on laminar heat transfer in ducts with constant wall temperature : Part III : Annular ducts
Authors: Jambal, Odgerel / Shigechi, Toru / Davaa, Ganbat / Momoki, Satoru
Issue Date: Jan-2004
Citation: 長崎大学工学部研究報告 Vol.34(62) p. 41-53, 2004
Abstract: Thermally developing laminar non-Newtonian fluid flow through annular channel with constant wall temperature has been studied including both viscous dissipation and fluid axial heat conduction effects. A numerical scheme based on the finite difference method was applied to solve the governing elliptic type energy equation for two semi infinite domains. The results are given for the radius ratio of R=0.2, 0.5 and 0.8 and the effects of the Brinkman number and the Peclet number on the developing temperature profiles and on the Nusselt number at the walls are discussed. Analytical expressions for the local Nusselt number and for the developing temperature profile of Newtonian fluids in a tube are obtained by considering the viscous dissipation effect for the confirmation purpose.
URI: http://hdl.handle.net/10069/14936
ISSN: 02860902
Type: Departmental Bulletin Paper
Appears in Collections:Volume 34, No. 62

Citable URI : http://hdl.handle.net/10069/14936

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