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Approximate analytical solution to normal emittance of semi-transparent layer of an absorbing, scattering, and refracting medium |
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| Authors: | Leonid A. Dombrovsky Jaona H. Randrianalisoa Wojciech Lipiński |
| Affiliation: | a Joint Institute for High Temperatures, NCHMT, Moscow 111116, Russia b CETHIL, UMR5008, CNRS, INSA-Lyon, Université Lyon 1, Villeurbanne F-69621, France c LaMCoS, UMR5259, CNRS, INSA-Lyon, Université Lyon 1, Villeurbanne F-69621, France d Department of Mechanical Engineering, University of Minnesota, Minneapolis, MN 55455, USA |
| Abstract: | A two-step approximate analytical solution for the normal emittance of a plane layer of an absorbing, scattering and refracting medium is derived analytically. The analysis is based on the transport approximation and the two-step solution method for radiative transfer. The high accuracy of the approximate solution, examined by comparing its results to those obtained independently by the discrete ordinates and Monte Carlo methods, makes it suitable for application in combined experimental-analytical studies to identify selected spectral radiative properties of dispersed media in the range of semi-transparency. |
| Keywords: | Thermal radiation Normal emittance Scattering Refraction Analytical solution Radiative properties |
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