activity
20232026
most citedActive and inactive contributions to the wall pressure and wall-shear stress in turbulent boundary layers

11 citations · 21 across the 12 of their papers we have counts for

collaborators

12 papers

physics.flu-dyn2026

Reynolds-number evolution of wall-pressure statistics beneath canonical turbulent boundary layers

Rahul Deshpande, Balaraman Panneerselvam, Vijaya R. R. Gudla +2

This study investigates the Reynolds-number (Re_τ) evolution of wall-pressure statistics beneath zero-pressure-gradient TBLs, and links their logarithmic variation to the increasin…

physics.flu-dyn2026

Wall-scaled eddies and embedded shear layers in high-Reynolds-number moderate adverse-pressure-gradient boundary layers

Ahmad Zarei, Mitchell Lozier, Ivan Marusic +1

This study compares high-Reynolds-number turbulent boundary layers under zero and low-to-moderate adverse pressure gradients, showing similar scaling and energy contributions from…

physics.flu-dyn2026

On the wake region of high-Reynolds-number turbulent boundary layers subject to adverse pressure gradients

Mitchell Lozier, Ahmad Zarei, Ivan Marusic +1

The effect of a moderate adverse pressure gradient (APG) on the structure of a high-Reynolds-number turbulent boundary layer (TBL) was investigated experimentally using complementa…

physics.flu-dyn2026

High-Reynolds-number turbulent boundary layers under adverse pressure gradients. Part 2. A composite mean velocity profile

Ahmad Zarei, Mitchell Lozier, Rahul Deshpande +1

A robust composite mean velocity profile is developed for turbulent boundary layers (TBLs) subjected to adverse pressure gradients (APGs), extending the composite formulation for g…

physics.flu-dyn2025

High-Reynolds-number turbulent boundary layers under adverse pressure gradients. Part 1. Decoupling local and upstream pressure gradient effects

Ahmad Zarei, Mitchell Lozier, Rahul Deshpande +1

This study presents a controlled examination of the universality of the von Karman and additive coefficients in the logarithmic law of the mean streamwise velocity profile for high…

physics.flu-dyn2025★ 4 cited

Defining the mean turbulent boundary layer thickness based on streamwise velocity skewness

Mitchell Lozier, Rahul Deshpande, Ahmad Zarei +3

A new statistical definition for the mean turbulent boundary layer thickness is introduced, based on identification of the point where the streamwise velocity skewness changes sign…

physics.flu-dyn2024

Turbulent/non-turbulent interface in high Reynolds number pressure gradient boundary layers

Ivan Marusic, Wagih Abu Rowin, Mitchell Lozier +3

We report two-dimensional particle image velocimetry experiments in high Reynolds number turbulent boundary layers imposed with a moderately strong streamwise pressure gradient. Th…

physics.flu-dyn2024

A method for evaluating relations of turbulent normal-stresses by experimental data over a wide range of Reynolds numbers

Hassan Nagib, Ivan Marusic

Recently, Nagib et al (2024} utilized indicator functions of profiles of the streamwise normal stress to reveal the ranges of validity, in wall distance and Reynolds number, for ea…

physics.flu-dyn2024★ 5 cited

A note on the amplitude modulation phenomenon in non-canonical wall-bounded flows

Mitchell Lozier, Ivan Marusic, Rahul Deshpande

The amplitude modulation phenomena, defined originally by Mathis et al. (J. Fluid Mech., 628, 311-337; 2009), corresponds to a unique non-linear interaction between Reynolds number…

physics.flu-dyn2024★ 11 cited

Active and inactive contributions to the wall pressure and wall-shear stress in turbulent boundary layers

Rahul Deshpande, Ricardo Vinuesa, Joseph Klewicki +1

A phenomenological description is presented to explain the intermediate and low-frequency/large-scale contributions to the wall-shear-stress () and wall-pressure () spe…

physics.flu-dyn2024

Characteristics of active and inactive motions in high-Reynolds-number turbulent boundary layers

Rahul Deshpande, Ricardo Vinuesa, Ivan Marusic

Wall-scaled (attached) eddies play a significant role in the overall drag experienced in high-Reynolds-number turbulent boundary layers (TBLs). This study aims to delve into the un…

physics.flu-dyn2023★ 1 cited

Identifying regions of importance in wall-bounded turbulence through explainable deep learning

Andres Cremades, Sergio Hoyas, Rahul Deshpande +8

Despite its great scientific and technological importance, wall-bounded turbulence is an unresolved problem in classical physics that requires new perspectives to be tackled. One o…