Convective Heat Transfer From a Rotating Inner Sphere to a Stationary Outer Sphere

[+] Author and Article Information
Glennon Maples, David F. Dyer

Department of Mechanical Engineering, Auburn University, Auburn, Ala.

Kerim Askin

Southwire Company, Carrollton, Ga.

Dupree Maples

Department of Mechanical Engineering, Louisiana State University, Baton Rouge, La.

J. Heat Transfer 95(4), 546-547 (Nov 01, 1973) (2 pages) doi:10.1115/1.3450108 History: Received April 09, 1973; Online August 11, 2010


The convection heat transfer rate between a rotating, isothermal sphere and a concentrically located, isothermal outer sphere is experimentally determined for various Grashof and Reynolds numbers. A comparison of data with that for a single sphere rotating in an infinite media is given. The heat transfer rate for the single sphere is higher than for the concentric spheres at the same Reynolds number. The present experiment is shown to involve both free and forced convection heat transfer.

Copyright © 1973 by ASME
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