Natural Convection From Horizontal Wires to Viscoelastic Fluids

[+] Author and Article Information
M. L. Ng, J. P. Hartnett, E. Y. Kwack

University of Illinois at Chicago, Energy Resources Center, Chicago, IL

J. Heat Transfer 108(4), 790-795 (Nov 01, 1986) (6 pages) doi:10.1115/1.3247014 History: Received May 15, 1985; Online October 20, 2009


Natural convection heat transfer from horizontal wires of three different diameters (0.0254, 0.0508, and 0.0826 cm) to a pool of viscoelastic liquid was studied. Aqueous solutions of Natrosol and Polyox constituted the viscoelastic test fluids. The experimental Nusselt numbers were found to agree with the correlations recommended by Fand and Brucker for Newtonian fluids if the zero shear rate viscosity is used in the Rayleigh and Prandtl numbers.

Copyright © 1986 by ASME
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