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ISSN Online: 2377-424X

ISBN Print: 0-89116-909-1

International Heat Transfer Conference 9
August, 19-24, 1990 , Jerusalem, Israel

NON-FOURIER HEAT CONDUCTION IN COMPOSITE PLATES SUBJECTED TO PERIODIC MOVING LINE SOURCE

Get access (open in a dialog) DOI: 10.1615/IHTC9.410
pages 503-507

Resumo

The linear hyperbolic heat conduction equation based on the modified Fourier law is employed to investigate the transient response of two stationary parallel composite plates. A periodic moving line source with constant velocity V and decaying with time exponentially is moving along the central line of the two plates. In order to solve the initial and boundary value problem for the composite medium, a general Laplace transform and eigenfunction expansion method is utilized. Finally, a numerical procedure called Fourier series technique is used to obtain the inversion of the Laplace transform. The results of this study show that the system have higher temperature distribution at the situation of very low heat propagation speed in the medium. In many practical situations such as the repeated heat flux pulses on a surface, heat transfer analyses using the traditional Fourier heat diffusion equation could result in significant errors.