Abstract
The application of the Multi-Grid (MG) method to the calculation of turbulent reacting flows is considered. Turbulence is handled by using the k - ε model. The eddy-dissipation concept based on a reduced global chemical reaction scheme is used for modeling the chemical reactions. For low Reynolds number laminar flows the MG efficiency is best, with the convergence rate in the order of 0.8. For uniformly spaced grids the convergence rate can be better, and for highly skewed grid, slower. The introduction of turbulence and combustion generally slows down the converging process. However, the MG method still demonstrates considerable acceleration over the single grid solver.
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© 1994 Springer Basel AG
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Bai, X.S., Fuchs, L. (1994). A Multi-Grid Method for Calculation of Turbulence and Combustion. In: Hemker, P.W., Wesseling, P. (eds) Multigrid Methods IV. ISNM International Series of Numerical Mathematics, vol 116. Birkhäuser, Basel. https://doi.org/10.1007/978-3-0348-8524-9_9
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DOI: https://doi.org/10.1007/978-3-0348-8524-9_9
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