Non-Fourier heat conduction by axisymmetric thermal waves in an infinite solid medium

被引：1

作者：

Pulvirenti, B ^{[1
]}

Rossi di Schio, E ^{[1
]}

机构：

[1] Univ Bologna, Dipartimento Ingn Energet Nucl & Controllo Ambien, I-40136 Bologna, Italy

来源：

HEAT AND MASS TRANSFER | 1999年 / 35卷 / 01期

关键词：

D O I：

10.1007/s002310050291

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

The non-stationary heat conduction in an infinite solid medium internally bounded by an infinitely long cylindrical surface is considered. A uniform and time-dependent temperature is prescribed on the boundary surface. An analytical solution of the hyperbolic heat conduction equation is obtained. The solution describes the wave nature of the temperature field in the geometry under consideration. A detailed analysis of the cases in which the temperature imposed on the boundary surface behaves as a square pulse or as an exponentially decaying pulse is provided. The evolution of the temperature field in the case of hyperbolic heat conduction is compared with that obtained by solving Fourier's equation.

引用

页码：1 / 8

页数：8

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