K Etori 1993 J. Phys. D: Appl. Phys. 26 1173 doi:10.1088/0022-3727/26/8/003
K Etori
Show affiliationsFrom a temperature correlation derived from a hyperbolic heat conduction equation due to Gaussian random process of an internal heat source, a spectral density is expressed. As a result, an effective range of a relaxation time related to finite high-speed propagation of a thermal wave in a solid is analytically estimated for real values of the spectral density and is compared with an expression derived from the conventional parabolic heat conduction equation.
02.30.Hq Ordinary differential equations
44.05.+e Analytical and numerical techniques
02.50.-r Probability theory, stochastic processes, and statistics
66.70.-f Nonelectronic thermal conduction and heat-pulse propagation in solids; thermal waves
Issue 8 (14 August 1993)
K Etori 1993 J. Phys. D: Appl. Phys. 26 1173
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