Simulation of Rapid Heating in Fusion Reactor First Walls Using the Green’s Function Approach

[+] Author and Article Information
A. M. Hassanein

Argonne National Laboratory, Fusion Power Program, Argonne, Ill. 60439

G. L. Kulcinski

University of Wisconsin, Nuclear Engineering Department, Madison, Wis. 53706

J. Heat Transfer 106(3), 486-490 (Aug 01, 1984) (5 pages) doi:10.1115/1.3246704 History: Received November 22, 1982; Online October 20, 2009


The solution of the heat conduction probem in moving boundary conditions is very important in predicting accurate thermal behavior of materials when very high energy deposition is expected. Such high fluxes are encountered on first wall materials and other components in fusion reactors. A numerical method has been developed to solve this problem by the use of the Green’s function. A comparison is made between this method and a finite difference one. The comparison in the finite difference method is made with and without the variation of the thermophysical properties with temperature. The agreement between Green’s function and the finite difference method is found to be very good. The advantages and disadvantages of using the Green’s function method and the importance of the variation of material thermal properties with temperature are discussed.

Copyright © 1984 by ASME
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