Wall-cooling effects on pressure fluctuations in compressible turbulent boundary layers from subsonic to hypersonic regimes

ZH Wan, NS Liu, DJ Sun, XY Lu - Journal of Fluid Mechanics, 2022 - cambridge.org
Pressure fluctuations play an essential role in the transport of turbulent kinetic energy and
vibrational loading. This study focuses on examining the effect of wall cooling on pressure …

Numerical investigation of cavitation-vortex interaction around the NACA66 (mod) hydrofoil with emphasis on multistage shedding process

J Zhang, Q Wu, D Liu, B Huang, G Wang - Ocean Engineering, 2022 - Elsevier
The objective is to investigate an observed multistage shedding process of cloud cavitation
around a NACA66 (mod) hydrofoil with emphasis on the flow structure and the interaction of …

Resolvent-based estimation of turbulent channel flow using wall measurements

FR Amaral, AVG Cavalieri, E Martini… - Journal of Fluid …, 2021 - cambridge.org
We employ a resolvent-based methodology to estimate velocity and pressure fluctuations
within turbulent channel flows at friction Reynolds numbers of approximately 180, 550 and …

On the use of two-point velocity correlation in wall-pressure models for turbulent flow past a trailing edge under adverse pressure gradient

P Jaiswal, S Moreau, F Avallone, D Ragni… - Physics of …, 2020 - pubs.aip.org
Two-point velocity statistics near the trailing edge of a controlled diffusion airfoil are
obtained, both experimentally and analytically, by decomposing Poisson's equation for …

On the near-wall structures and statistics of fluctuating pressure in compressible turbulent channel flows

J Tang, Z Zhao, ZH Wan, NS Liu - Physics of Fluids, 2020 - pubs.aip.org
The near-wall structures and statistics of fluctuating pressure (p′) in compressible turbulent
channel flows (CTCF) with isothermal walls have been investigated by direct numerical …

The intrinsic scaling relation between pressure fluctuations and Mach number in compressible turbulent boundary layers

ZH Wan, DJ Sun, XY Lu - Journal of Fluid Mechanics, 2024 - cambridge.org
The scaling relations mapping the turbulence statistics in compressible turbulent boundary
layers (TBLs) onto their incompressible counterparts are of fundamental significance for …

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 …

Vector high-resolution marine turbulence sensor based on a MEMS bionic cilium-shaped structure

W Zhang, C Hao, Z Zhang, S Yang, J Peng… - IEEE Sensors …, 2020 - ieeexplore.ieee.org
Studies show that the detection of vector turbulence characteristics is of significant
importance for further cognition of the marine turbulence mechanism. However, a succedent …

Inner–outer interaction of unsteady turbulent flow inside duct with wall corrugations: Augmentation and saturation

S Lu, C He, P Wang, Y Liu - Physics of Fluids, 2024 - pubs.aip.org
This study investigates the inner–outer interaction of the unsteady turbulent flow inside a
duct with wall corrugations, where “inner” refers to the trapped flow in a corrugation-induced …

Direct numerical simulation-based vibroacoustic response of plates excited by turbulent wall-pressure fluctuations

S Prajapati, S Anantharamu, K Mahesh - Journal of Fluid Mechanics, 2023 - cambridge.org
We use direct numerical simulation to study the vibroacoustic response of an elastic plate in
a turbulent channel at of 180 and 400 for three plate boundary conditions and two materials …