Journal of Heat Transfer · 1992 · 69 citations · 0 references
EngineeringArchitectural EngineeringBuilding ScienceComputational Heat TransferHeat TransferRadiation TransportDiscrete Ordinates MethodHeat Transfer AnalysisHeat Transfer In BuildingsHeat Transfer ModelingRadiation Heat ExchangeRadiative Heat TransferEnclosure Heat TransferFinite Difference Discrete OrdinatesHeat Flux ModelingRadiant Heat ExchangeRadiation Exchange Between SurfacesRadiation Heat Transfer ModelingRadiative Exchange AnalysisRadiative Exchange Between Surfaces
The purpose of this study is to develop a model based on the discrete-ordinates method for computing radiant exchange between surfaces separated by a transparent medium and to formulate the model so that arbitrary arrangements of the surfaces can be accommodated. Heat fluxes from the model are compared to those based on the radiosity/irradiation analysis. Three test geometries that include shadowing and irregular geometries are used to validate the model. Heat fluxes from the model are in good agreement with those from the radiosity/irradiation analysis. Effects of geometries, surface emittances, grid patterns, finite-difference weighting factor, and number of discrete angles are reported.