Abstract
The aim of the present study is to investigate the impact of the low-Mach number approximation on Direct Numerical Simulations of turbulent flames using complex chemistry. For this purpose, we have developed a DNS code based on the low-Mach number assumption and compared this code to an existing compressible DNS code. Both codes are used to simulate the interaction between a planar premixed H2/O2 flame and a turbulent field. A thorough post-processing of the results leads to the conclusion that the turbulent flame properties are accurately reproduced using the low-Mach number assumption. We conclude that this approximation can be successfully applied to DNS simulations of turbulent combustion.
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© 2001 Springer Science+Business Media Dordrecht
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de Charentenay, J., Thévenin, D., Zamuner, B. (2001). DNS of Turbulent H2/O2 Premixed Flames Using Compressible and Low-Mach Number Formulations. 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_16
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DOI: https://doi.org/10.1007/978-94-017-1263-7_16
Publisher Name: Springer, Dordrecht
Print ISBN: 978-90-481-5893-5
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