Simulation of radiative heating of snow and ice coating

Numerical simulation of thermal state was performed for semitransparent medium; the thermal state is formed under impact of incident radiation and convective heat transfer to the ambient medium. The model takes into account the heat transfer to the semi-infinite opaque substrate below the layer of s...

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Bibliographic Details
Published inThermophysics and aeromechanics Vol. 25; no. 5; pp. 765 - 772
Main Author Timofeev, A. M.
Format Journal Article
LanguageEnglish
Published Novosibirsk Kutateladze Institute of Thermophysics SB RAS 01.09.2018
Springer Nature B.V
Subjects
Computer simulation
Convective heat transfer
Dependence
Incident radiation
Mathematical models
Optical properties
Physics
Physics and Astronomy
Snow
Substrates
Thermodynamics
selectivity
ice and snow
scattering
reflectance
radiation-conduction heat transfer
semitransparent medium
numerical simulation
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Summary:Numerical simulation of thermal state was performed for semitransparent medium; the thermal state is formed under impact of incident radiation and convective heat transfer to the ambient medium. The model takes into account the heat transfer to the semi-infinite opaque substrate below the layer of semitransparent material. Computation was performed for governing parameters typical of snow and ice coating during winter period. Solving the radiative part of problem uses the modified average flux method. This method takes into account the dependence of optical properties on the wavelength of incident radiation, scattering, and reflective properties of the layer boundaries.
ISSN:0869-8643
1531-8699
DOI:10.1134/S086986431805013X