Numerical simulation of a turbulent channel flow with an acoustic liner

R Sebastian, D Marx, V Fortuné - Journal of Sound and Vibration, 2019 - Elsevier
Numerical simulations of a compressible turbulent channel flow with an acoustic impedance
boundary condition are performed to assess how the flow is modified compared with a …

Response of separated boundary layers to steady and pulsated flow injection

HD Nowak… - Journal of …, 2023 - asmedigitalcollection.asme.org
A new class of power generation devices that experiences increased losses due to bulk flow
separation in segments of their expected in-flight regime is emerging. As such, active flow …

Acoustic streaming in turbulent compressible channel flow for heat transfer enhancement

I Rahbari, G Paniagua - Journal of fluid mechanics, 2020 - cambridge.org
Acoustic streaming in high-speed compressible channel flow and its impact on heat and
momentum transfer is analysed numerically at two different Mach numbers, and 6000. An …

Stability assessment on sinusoidal roughness elements for crossflow-transition control

Y Ide, M Hirota, N Tokugawa - Physics of Fluids, 2021 - pubs.aip.org
In this work, we numerically investigate the effectiveness of sinusoidal roughness elements
(SREs), which have been proposed by our group to delay crossflow boundary layer …

Stability analysis with complex ray theory for wave packets behind a roughness element

Y Ide, K Ohira - Physics of Fluids, 2024 - pubs.aip.org
In this theoretical study, we apply a method based on the complex ray theory (CRT) for the
first time to the stability analysis of a roughness-induced boundary layer at a sub-but near …

Transition regime and its effects on the unsteady aerodynamic characteristics of a pitching airfoil

AS Rezaei, HE Taha - AIAA Scitech 2019 Forum, 2019 - arc.aiaa.org
I ception of new ideas and applications in aviation industry, such as micro-air-vehicles and
unmanned aerial vehicles, which are typically operating at low speeds and possess short …

Global linear stability analysis of flow in a lined duct

L Pascal, E Piot, G Casalis - Journal of Sound and Vibration, 2017 - Elsevier
Eigenmodes of the linearised Euler equations are computed in order to study lined flow duct
global stability. A simplified configuration is considered and the governing equations are …

Response of Separated Boundary Layers to Steady and Pulsated Flow Injection in Transonic Internal Flows

HD Nowak… - … Expo: Power for …, 2022 - asmedigitalcollection.asme.org
A new class of power generation devices that experiences increased losses due to bulk flow
separation in segments of their expected in-flight regime is emerging. As such, active flow …

CFD-based impeller and seal rotordynamic forces

F Mortazavi - 2018 - search.proquest.com
Eccentrically operating turbomachinery components such as impellers and seals are subject
to flow induced forces known as rotordynamic forces. Rotordynamic forces can be …

A block–interface approach for high–order finite–difference simulations of compressible flows

M Allahyari, K Yousefi, V Esfahanian… - Journal of Applied Fluid …, 2020 - jafmonline.net
The application of the high-order accurate schemes with multi-block domains is essential in
problems with complex geometries. Primarily, accurate block-interface treatment is found to …