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ISSN Online: 2377-424X

ISBN Print: 1-56032-797-9

International Heat Transfer Conference 11
August, 23-28, 1998, Kyongju, Korea

FULLY DEVELOPED NON-NEWTONIAN FLUID FLOW AND HEAT TRANSFER IN A CONCENTRIC ANNULUS WITH AN AXIALLY MOVING CORE

Get access (open in a dialog) DOI: 10.1615/IHTC11.2580
pages 151-156

Abstract

The fully developed laminar flow and heat transfer of a power-law non-Newtonian fluid in a concentric annulus with an axially moving core is studied analytically. Applying the shear stress described by the power-law model, the exact solutions for the momentum equation are obtained. With the resulting velocity distribution, the energy equation is solved numerically for the thermal boundary condition of a constant wall heat flux at one wall with the other insulated.
The effects of the relative core velocity, the radius ratio, and the flow index of a non-Newtonian power-law fluid on the velocity distribution and friction factor, and the temperature distribution and Nusselt numbers have been discussed.