Heat Transfer, Fluid Mechanics, Gas and Plasma

Calculation of radiation of nonisothermal volumes

I. R. Mikk

Tallinn University of Technology

Abstract: The article discusses a method for calculating the intrinsic radiation of a volume filled with a nonisothermal medium. By expansion of the function of the intrinsic radiation in a Taylor series with respect to the direction of the beam, a formula is derived for determining the effective temperature of the nonisothermal volume, containing the coefficients of the nonisothermicity. The use of the method is explained using a numerical example.

UDC: 536.3

Received: 17.04.1974

 English version: High Temperature, 1976, 14:3, 521–526

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