DOI: 10.1615/ICHMT.2010.RAD-6
ISBN Print: 978-1-56700-269-0
ISSN Online: 2642-5629
ISSN Flash Drive: 2642-5661
CONTINUUM RADIATIVE HEAT TRANSFER MODELING IN MEDIA CONSISTING OF OPTICALLY DISTINCT COMPONENTS IN THE LIMIT OF GEOMETRICAL OPTICS
ABSTRAKT
Continuum-scale equations of radiative transfer and corresponding boundary conditions are rigorously derived for a general case of a multi-component medium consisting of arbitrary-type, non-isothermal and non-uniform components in the limit of geometrical optics. The link between the discrete and continuum scales is established by volume averaging of the discrete-scale equations of radiative transfer by applying the spatial averaging theorem. Precise definitions of the continuum-scale radiative properties are formulated while accounting for the radiative interactions between the components at their interfaces. Possible applications and simplifications of the presented general equations are discussed.