1992
DOI: 10.1115/1.2911296
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Surface Radiation Exchange for Two-Dimensional Rectangular Enclosures Using the Discrete-Ordinates Method

Abstract: 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 t… Show more

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Cited by 63 publications
(26 citation statements)
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“…(7), f is spatial differencing weight which varies in the range of [0,1]. The standard diamond difference scheme (f = 1) is unstable and shows fluctuation and negative intensity solutions [26]. The step scheme (f = 0) puts the amount of central intensities to their outlet amount.…”
Section: Block Off Proceduresmentioning
confidence: 99%
See 1 more Smart Citation
“…(7), f is spatial differencing weight which varies in the range of [0,1]. The standard diamond difference scheme (f = 1) is unstable and shows fluctuation and negative intensity solutions [26]. The step scheme (f = 0) puts the amount of central intensities to their outlet amount.…”
Section: Block Off Proceduresmentioning
confidence: 99%
“…The incident radiative heat flux along path length ξ, obtained with Cartesian-based structured grid using the block off procedure and unstructured grid data are compared with the results prepared by Sanchez and Smith [26] using the radiosity-irradiation method (RIM). The T 8 quadrature set is used for angular discretization in both block off and unstructured grid procedures.…”
Section: Square Enclosure With Internal Blockagementioning
confidence: 99%
“…49,50 This model can take into account the participating medium. However, in our case, air is considered as transparent (with neither absorption nor diffusion).…”
Section: Discrete Ordinate (Do) Methods For Radiationmentioning
confidence: 99%
“…In the recent past, various methods that were applied to solve radiative transport problems with participating media have also been used to calculate radiative exchange between surfaces separated by non-participating media [2][3][4][5]. Sanchez and Smith [2] used the discrete ordinate method (DOM) to calculate view factors for 2-D rectangular enclosures.…”
Section: Introductionmentioning
confidence: 99%