Reverse Monte Carlo Method for Transient Radiative Transfer in Participating Media

[+] Author and Article Information
Xiaodong Lu, Pei-feng Hsu

Mechanical and Aerospace Engineering Department, Florida Institute of Technology, 150 West University Blvd., Melbourne, FL 32901

J. Heat Transfer 126(4), 621-627 (Apr 23, 2004) (7 pages) doi:10.1115/1.1773587 History: Received August 04, 2003; Revised April 23, 2004
Copyright © 2004 by ASME
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Geometry of the collimated irradiation
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Geometry of integrated intensity received at the detector
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(a) Three possible scenarios that a backtracking bundle’s path would have positioned relative to the pulse at a time t2. The end points a, b, and c corresponds to the cases (a), (b), and (c), respectively, described in the algorithm section step 3; (b) The relation of backtracking bundle path length, i.e., case (a)-part(2), and pulse’s travel distance from t2 to t1. The path length of (z1−zL)/(−μ) equals the pulse travel distance at the same time interval. The equality leads to the determination of zL. In this case zU is z2.
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The convergence of solutions with different variance. The medium has an isotropic scattering phase function, scattering albedo=0.998, and optical thickness=10.
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Wave front resolution of the RMC method
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Comparison of RMC, MC, and Discrete Ordinates Method solutions for isotropic scattering slab with a collimated pulse irradiation
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Bundle number used in three difference scattering phase functions used in Fig. 6. The converged solutions have 2 percent standard deviation.




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