Conduction Heating of Objects of Simple Shape in a Fluid With Finite Heat Capacity

[+] Author and Article Information
Q. T. Pham

Meat Industry Research Institute of New Zealand (Inc.), Hamilton, New Zealand

J. Heat Transfer 110(3), 551-553 (Aug 01, 1988) (3 pages) doi:10.1115/1.3250527 History: Received April 24, 1987; Online October 20, 2009


A unified analytical solution and an approximate method are presented for calculating the time to cool or heat an object of simple shape to a given mean temperature, using a fluid with finite heat capacity in batch, parallel-flow, or counterflow modes. In the approximate method, an equivalent constant fluid temperature is calculated, which would give the same log-mean temperature difference. The cooling time at this equivalent temperature is found by conventional methods, then multiplied by a correction factor calculated from a simple regression equation.

Copyright © 1988 by ASME
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