Large-eddy simulations of adverse pressure gradient turbulent boundary layers
Bobke A, Vinuesa R, Orlu R, Schlatter P (2016)
Publication Type: Conference contribution
Publication year: 2016
Publisher: Institute of Physics Publishing
Book Volume: 708
Conference Proceedings Title: Journal of Physics: Conference Series
Event location: Madrid, ESP
DOI: 10.1088/1742-6596/708/1/012012
Abstract
Adverse pressure-gradient (APG) turbulent boundary layers (TBL) are studied by performing well-resolved large-eddy simulations. The pressure gradient is imposed by defining the free-stream velocity distribution with the description of a power law. Different inflow conditions, box sizes and upper boundary conditions are tested in order to determine the final set-up. The statistics of turbulent boundary layers with two different power-law coefficients and thus magnitudes of adverse pressure gradients are then compared to zero pressure-gradient (ZPG) data. The effect of the APG on TBLs is manifested in the mean flow through a much more prominent wake region and in the Reynolds stresses through the existence of an outer peak. The pre-multiplied energy budgets show that more energy is transported from the near-wall region to farther away from the wall.
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APA:
Bobke, A., Vinuesa, R., Orlu, R., & Schlatter, P. (2016). Large-eddy simulations of adverse pressure gradient turbulent boundary layers. In Javier Jimenez (Eds.), Journal of Physics: Conference Series. Madrid, ESP: Institute of Physics Publishing.
MLA:
Bobke, Alexandra, et al. "Large-eddy simulations of adverse pressure gradient turbulent boundary layers." Proceedings of the 2nd Multiflow Summer School on Turbulence, Madrid, ESP Ed. Javier Jimenez, Institute of Physics Publishing, 2016.
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