Calculation techniques with the Monte Carlo method in stray radiation evaluation |
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Authors: | Xin-Lin Xia He-Ping Tan |
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Affiliation: | School of Energy Science and Engineering, Harbin Institute of Technology, Box 456, 92 West Dazhi Street, Harbin 150001, PR China |
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Abstract: | Some calculation techniques with the Monte Carlo method in stray radiation evaluation such as imaginary covers, domain decomposition, coordinate conversion, principle of weight-equivalent sampling, randomness of radiant characteristic of heat insulating coat are described. Employing these techniques, the stray radiation calculation for a large optical system can be achieved in a personal computer. Taking a satellite-borne optical system, for example, the stray radiation flux and stray radiation environment of the system is obtained. The calculation results present a reference for the design of the optical system. |
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Keywords: | Monte-Carlo method Stray radiation Optical system Probability model |
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