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THE DRESOR METHOD FOR THE SOLUTION OF THE RADIATIVE TRANSFER EQUATION IN GRAY PLANE-PARALLEL MEDIA

DOI: 10.1615/ICHMT.2004.RAD-4.180
10 pages

Huaichun Zhou
State Key Laboratory of Coal Combustion, Huazhong University of Science and Technology, Wuhan, 430074, Hubei, P. R. China; Key Laboratory for Thermal Science and Power Engineering of Ministry of Education Tsinghua University, Beijing 10084, China

Qiang Cheng
State Key Laboratory of Coal Combustion, Huazhong University of Science and Technology, Wuhan 430074, Hubei, China; Shenzhen Huazhong University of Science and Technology Research Institute, Shenzhen 518057, Guangdong, China

Resumo

A new approach, called DRESOR (Distributions of Ratios of Energy Scattered Or Reflected) method, is developed to solve the radiative transfer equation. Using this method, which is built on a Monte Carlo technique, the intensity with high directional resolution at any point can be obtained with high precision and without the requirement of radiative equilibrium. The method is applied to a gray absorbing, emitting, isotropically scattering, gray, plane-parallel medium confined between two parallel, isothermal, gray, diffusely emitting, diffusely or specularly reflecting plates; and validation results demonstrated its accuracy. Some attractive features, such as the additivity of intensity for different emitting sources and automatically meeting the boundary conditions, make the present method feasible in dealing with complicated radiative transfer problems by parallel computation.

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