An efficient approach for the implementation of the SNB based correlated-k method and its evaluation |
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Authors: | Fengshan Liu Gregory J. Smallwood |
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Affiliation: | Combustion Technology Group, Institute for Chemical Process & Environmental Technology National Research Council, Building M9, 1200 Montreal Road, Ottawa, Ont., Canada K1A 0R6 |
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Abstract: | The current implementation of the SNB based correlated-k method consumes a significant portion of the total cpu time on the on-line inversion of the cumulative distribution function. An approach was developed to pre-calculate the absorption coefficients of real gases from the inversion procedure. This approach results in significant improvement in the efficiency of the SNB based correlated-k method with slight loss in accuracy. This approach was evaluated against other implementation approaches of the SNB based correlated-k method in several non-isothermal and/or inhomogeneous problems. |
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Keywords: | Non-grey gas radiation SNB model Correlated-k method |
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