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Numerical Heat Transfer, Part A: Applications
An International Journal of Computation and Methodology
Volume 28, 1995 - Issue 5
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Original Articles

NUMERICAL SOLUTION OF TRANSIENT HEAT CONDUCTION IN A CYLINDRICAL SECTION DURING QUENCHING

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Pages 547-574 | Received 16 Nov 1994, Accepted 13 Jun 1995, Published online: 02 Mar 2007
 

Abstract

A two-dimensional numerical solution is developed for transient heat conduction in a copper test section (20 mm thick and 50.8 mm in diameter) during quenching of its downward facing curved surface (surface radius 148 mm) in saturated water. The solution used the measured temperatures in the test section near the surface (~ 0.5 mm) to derive the transient pool boiling curves at different locations on the surface. The study investigated the effects of lateral conduction near the surface on local heat flux and local surface temperature in the different pool boiling regimes. The solution employed a fully implicit, alternating direction, control volume method to ensure numerical stability and reduce the storage and computation time. A parametric analysis is performed to assess the effect of the computation grid size and the value of the convergence coefficient on the accuracy of calculations as well as the computation time on a 50- MHz, 486 PC.

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