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Extension of the quasilinear method of determining thermophysical characteristics to the case of anisotropic materials

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Abstract

The article reports on the initial part of the stage of regular thermal regime of a plate heated by a constant heat flux, and a method is suggested for determining thermal conductivity and thermal diffusivity.

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Abbreviations

T:

temperature of the plate

T0 :

binitial temperature of the plate and ambient temperature

g:

volume density of the heat sources

q:

heat flux density

x :

thickness of the plate

λx :

thermal conductivity along the x axis

a x :

thermal diffusivity along the x axis

α:

heat transfer coefficient

Fo:

Fourier number

B:

Biot number

ρ:

density of the material of the plate

c:

heat capacity

t:

time

Literature cited

  1. 1.

    Yu. A. Napar'in and N. A. Vdovin, Inzh.-Fiz. Zh.,29, No. 3, 436–440 (1975).

  2. 2.

    L. L. Vasil'ev and S. A. Tanaeva, The Thermophysical Properties of Porous Materials [in Russian], Minsk (1971).

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Additional information

Translated from Inzhenerno-Fizicheskii Zhurnal, Vol. 55, No. 4, pp. 611–616, October, 1988.

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Napar'in, Y.A., Yarmonov, N.A. & Vdovin, N.A. Extension of the quasilinear method of determining thermophysical characteristics to the case of anisotropic materials. Journal of Engineering Physics 55, 1137–1141 (1988). https://doi.org/10.1007/BF01155222

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Keywords

  • Thermal Conductivity
  • Statistical Physic
  • Heat Flux
  • Thermal Diffusivity
  • Anisotropic Material