Abstract
Direct numerical simulations (DNS) of a reacting shear layer with large heat release characteristic of hydrocarbon combustion are performed. It is found that strong heat release leads to substantial modifications in the shear layer growth rate as well as turbulence statistics. Unlike DNS, the large eddy simulation (LES) approach may be computationally viable even with multi-step chemical mechanisms including finite rate kinetics. A recent subgrid model based on moment-based reconstruction is evaluated in a priori tests and found to give good predictions of the Arrhenius reaction rate term.
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Sarkar, S., Pantano, C. (2001). The Turbulent Reacting Shear Layer: DNS and LES. In: Geurts, B.J., Friedrich, R., Métais, O. (eds) Direct and Large-Eddy Simulation IV. ERCOFTAC Series, vol 8. Springer, Dordrecht. https://doi.org/10.1007/978-94-017-1263-7_47
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DOI: https://doi.org/10.1007/978-94-017-1263-7_47
Publisher Name: Springer, Dordrecht
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