Comparison of the Direct Numerical Simulation of Zero and Low Adverse Pressure Gradient Turbulent Boundary Layers

V Kitsios,J A Sillero,A Gul Gungor,G Borrell,C Atkinson,J Jiménez,J Soria

doi:10.1007/978-3-662-48868-3_26

Comparison of the Direct Numerical Simulation of Zero and Low Adverse Pressure Gradient Turbulent Boundary Layers

V Kitsios, J A Sillero + Show 5 more

https://doi.org/10.1007/978-3-662-48868-3_26

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Publication Date: Dec 18, 2015

Affiliation: Monash University, Universidad Politécnica de Madrid, King Abdulaziz University

#Adverse Pressure Gradient Turbulent Boundary #Pressure Gradient Turbulent Boundary Layer + Show 8 more

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Abstract

Statistics from the direct numerical simulation (DNS) of an adverse pressure gradient (APG) turbulent boundary layer (TBL) are presented. Flow simulations are performed using a TBL DNS code with the desired APG applied via a tailored farfield boundary condition. The APG TBL has a maximum momentum thickness based Reynolds number (\(Re_{\delta _2}\)) of 6000, and a near constant ratio of pressure velocity to freestream velocity, over a range of \(Re_{\delta _2}\) from 3000 to 5000. Streamwise velocity variance profiles are shown to collapse under outer velocity scaling as opposed to friction velocity scaling over this range.

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