Abstract
Large eddy simulation (LES) of a bidimensional interaction of an oblique shock with a plane plate has been performed for two shock generator angles: 8° and 9.5°. Qualitative agreement is found with experimental results but the length of the interaction is underestimated. Adimensionalisation using the interaction length L as defined by [3] ascertains the statement that L is a characteristic length of the interaction. Frequential analysis leads to the identification of the different regions of the interaction but estimation of low-frequency is not reliable because of the duration of pressure signal available. Delayed detached eddy simulation have also been performed in the entire facility and demonstrate that the role of lateral wall is non negligible.
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Acknowledgments
The IUSTI team headed by J.P. Dussauge is warmly acknowledged for providing the experimental data of for stimulating discussions. The E. De Martel Ph.D. thesis's is sponsored by the French ministry of defence. This work has been partly funded by the EU project UFAST (FP6).
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de Martel, E., Garnier, E., Sagaut, P. (2009). Large Eddy Simulation of Impinging Shock Wave/Turbulent Boundary Layer Interaction at M = 2.3. In: Braza, M., Hourigan, K. (eds) IUTAM Symposium on Unsteady Separated Flows and their Control. IUTAM Bookseries, vol 14. Springer, Dordrecht. https://doi.org/10.1007/978-1-4020-9898-7_38
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DOI: https://doi.org/10.1007/978-1-4020-9898-7_38
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