Geodesic
Application of the least squares method to the problem of radiation transfer in a spherical cavity
Matematičeskoe modelirovanie i čislennye metody (2015), pp. 53-65

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A lot of heat-shielding materials used in engineering have porous structure. When there is an intensive thermal exposure, there occurs a necessity to consider thermal energy transfer by means of radiation in pores of such materials. We contructed a mathematical model describing heat exchange by radiation in a spherical cavity. Its form can be considered as an average statistical form in relation to forms of closed pores in solid bodies. For the quantitative analysis of this model we used the method of the least squares and introduced an equivalent coefficient of thermal conductivity in the conditional continuous environment filling a pore. This allows to regard the material with porous structure as a continuous non-uniform solid body.
Keywords: Spherical cavity, mathematical model of radiative transfer, least squares method. 
@article{MMCM_2015_a2,
     author = {V. S. Zarubin and O. V. Pugachev and I. Yu. Savelyeva},
     title = {Application of the least squares method to the problem of radiation transfer in a spherical cavity},
     journal = {Matemati\v{c}eskoe modelirovanie i \v{c}islennye metody},
     pages = {53--65},
     publisher = {mathdoc},
     year = {2015},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MMCM_2015_a2/}
}
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V. S. Zarubin; O. V. Pugachev; I. Yu. Savelyeva. Application of the least squares method to the problem of radiation transfer in a spherical cavity. Matematičeskoe modelirovanie i čislennye metody (2015), pp. 53-65. http://geodesic.mathdoc.fr/item/MMCM_2015_a2/