Recently, it has become possible to conduct line-by-line (LBL) accurate radiative heat transfer calculations in spectrally highly nongray combustion systems using the Monte Carlo method. LBL accuracy, in principle, adds little to the computational load as compared to gray calculations. However, when employing the Monte Carlo method, choosing appropriate emission wave numbers for statistical photon bundles can be numerically expensive. In this paper, a new scheme for wave number selection is proposed, significantly decreasing CPU requirements compared to previous work. The accuracy of the new method is established and its time requirements are compared against the previous method.
- Heat Transfer Division
Improved Wavenumber Selection Scheme for Line-by-Line Photon Monte Carlo Simulations in Combustion Systems
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Ren, T, & Modest, MF. "Improved Wavenumber Selection Scheme for Line-by-Line Photon Monte Carlo Simulations in Combustion Systems." Proceedings of the ASME 2012 Heat Transfer Summer Conference collocated with the ASME 2012 Fluids Engineering Division Summer Meeting and the ASME 2012 10th International Conference on Nanochannels, Microchannels, and Minichannels. Volume 1: Heat Transfer in Energy Systems; Theory and Fundamental Research; Aerospace Heat Transfer; Gas Turbine Heat Transfer; Transport Phenomena in Materials Processing and Manufacturing; Heat and Mass Transfer in Biotechnology; Environmental Heat Transfer; Visualization of Heat Transfer; Education and Future Directions in Heat Transfer. Rio Grande, Puerto Rico, USA. July 8–12, 2012. pp. 347-352. ASME. https://doi.org/10.1115/HT2012-58366
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