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Heat transfer for modified power law fluids in a concentric annulus with a heated fixed outer tube

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Title: Heat transfer for modified power law fluids in a concentric annulus with a heated fixed outer tube
Authors: Davva, Ganbat / Shigechi, Toru / Momoki, Satoru
Issue Date: Jul-2002
Citation: 長崎大学工学部研究報告 Vol.32(59) p.33-40, 2002
Abstract: The present paper is an extension of the previous study on fully developed laminar heat transfer of modified power-law fluids in a concentric annulus with an axially moving core and deals with the case for the boundary conditions of constant heat flux at the fixed outer tube with the moving core insulated. Applying the shear stress described by the modified power-law model, the energy equation including the viscous dissipation term is solved numerically. The numerical results are presented graphically for temperature profiles and Nusselt number at the outer tube with a number of parameters such as viscous dissipation effect, rheological properties and the boundary conditions. The effects of radius ratio, the flow index, the relative core velocity, the dimensionless shear rate parameter and Brinkman number on the temperature distribution and Nusselt number are discussed.
URI: http://hdl.handle.net/10069/5208
ISSN: 02860902
Type: Departmental Bulletin Paper
Appears in Collections:Volume 32, No. 59

Citable URI : http://hdl.handle.net/10069/5208

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