Outer scaling of the mean momentum equation for turbulent boundary layers under adverse pressure gradient

T Wei, T Knopp - Journal of Fluid Mechanics, 2023 - cambridge.org
A new scaling of the mean momentum equation is developed for the outer region of
turbulent boundary layers (TBLs) under adverse pressure gradient (APG). The maximum …

Direct numerical simulation of turbulent channel flow over random rough surfaces

R Ma, K Alamé, K Mahesh - Journal of Fluid Mechanics, 2021 - cambridge.org
Direct numerical simulation of flow in a turbulent channel with a random rough bottom wall is
performed at friction Reynolds number. The rough surface corresponds to the experiments of …

History effects and wall-similarity of non-equilibrium turbulent boundary layers in varying pressure gradient over rough and smooth surfaces

V Vishwanathan, DJ Fritsch, KT Lowe… - International Journal of …, 2023 - Elsevier
Experimental investigations were conducted on non-equilibrium, turbulent boundary layers
over rough and smooth surfaces. A NACA 0012 airfoil was systematically rotated to generate …

On determining wall shear stress in spatially develo** two-dimensional wall-bounded flows

F Mehdi, TG Johansson, CM White, JW Naughton - Experiments in fluids, 2014 - Springer
A full momentum integral-based method for determining wall shear stress is presented. The
method is mathematically exact and has the advantage of having no explicit streamwise …

The wall-pressure spectrum of high-Reynolds-number turbulent boundary-layer flows over rough surfaces

T Meyers, JB Forest, WJ Devenport - Journal of Fluid Mechanics, 2015 - cambridge.org
Experiments have been performed on a series of high-Reynolds-number flat-plate turbulent
boundary layers formed over rough and smooth walls. The boundary layers were fully rough …

Mean force structure and its scaling in rough-wall turbulent boundary layers

F Mehdi, JC Klewicki, CM White - Journal of Fluid Mechanics, 2013 - cambridge.org
The combined roughness/Reynolds number problem is explored. Existing and newly
acquired data from zero pressure gradient rough-wall turbulent boundary layers are used to …

Analyses of buoyancy-driven convection

T Wei - Advances in Heat Transfer, 2020 - Elsevier
This article investigates the multilayer structure of turbulent flow and heat transport in
buoyancy-driven convection, and in particular, introduces a relatively new scaling patch …

Characteristics of the pressure fluctuations generated in turbulent boundary layers over rough surfaces

LA Joseph, NJ Molinaro, WJ Devenport… - Journal of Fluid …, 2020 - cambridge.org
Experiments were carried out in high Reynolds number turbulent boundary layers over
rough surfaces of diverse geometries. Roughness configurations varied in element height …

On scaling pipe flows with sinusoidal transversely corrugated walls: analysis of data from the laminar to the low-Reynolds-number turbulent regime

S Saha, JC Klewicki, A Ooi… - Journal of Fluid …, 2015 - cambridge.org
Direct numerical simulation was used to study laminar and turbulent flows in circular pipes
with smoothly corrugated walls. The corrugation wavelength was kept constant at, for all …

The Resolution and Structure of High Reynolds Number Turbulent Boundary Layers Over Rough and Smooth Walls in Pressure Gradient

V Vishwanathan - 2023 - vtechworks.lib.vt.edu
The velocity fields of high Reynolds number, turbulent, wall boundary layers in non-
equilibrium pressure gradients are experimentally investigated. Experiments in two wall …