Direct numerical simulation of hypersonic turbulent boundary layers: effect of spatial evolution and Reynolds number

J Huang, L Duan, MM Choudhari - Journal of Fluid Mechanics, 2022 - cambridge.org
Direct numerical simulations (DNS) are performed to investigate the spatial evolution of flat-
plate zero-pressure-gradient turbulent boundary layers over long streamwise domains () …

Amplification and structure of streamwise-velocity fluctuations in compression-corner shock-wave/turbulent boundary-layer interactions

MA Mustafa, NJ Parziale, MS Smith… - Journal of Fluid …, 2019 - cambridge.org
In this work, we study the effect of the compression-corner angle on the streamwise turbulent
kinetic energy (sTKE) and structure in Mach 2.8 flow. Krypton tagging velocimetry (KTV) is …

Eulerian–Lagrangian direct numerical simulation of preferential accumulation of inertial particles in a compressible turbulent boundary layer

W Xiao, T Jin, K Luo, Q Dai, J Fan - Journal of Fluid Mechanics, 2020 - cambridge.org
In this study, direct numerical simulation of the dispersion and motion of inertial particles in a
spatially developing compressible turbulent boundary layer at a Mach number of 2 is …

Profiles of streamwise velocity and fluctuations in a hypersonic turbulent boundary layer using acetone tagging velocimetry

BA Segall, D Shekhtman, A Hameed, JH Chen… - Experiments in …, 2023 - Springer
Acetone tagging velocimetry (ATV) with nominally 1% mole fraction acetone seeding was
conducted in a shock-tunnel-generated hypersonic turbulent boundary layer over a hollow …

Single-Laser Krypton Tagging Velocimetry Investigation of Supersonic Air and Boundary-Layer Flows over a Hollow Cylinder in a Shock Tube

MA Mustafa, D Shekhtman, NJ Parziale - Physical Review Applied, 2019 - APS
In this paper, we investigate the boundary-layer profiles that form over a sharp, hollow
cylinder in supersonic air and N 2 flows with a krypton tagging velocimetry (KTV) single …

Unsteady flow features across different shock/boundary-layer interaction configurations

JAS Threadgill, PJK Bruce - AIAA Journal, 2020 - arc.aiaa.org
An experimental study has been conducted to investigate unsteady flow phenomena
observed within various two-dimensional configurations of shock/boundary-layer …

The effect of particle lag on statistics of hypersonic turbulent boundary layers subject to pressure gradients

MT Aultman, K Disotell, L Duan - AIAA SCITECH 2022 Forum, 2022 - arc.aiaa.org
View Video Presentation: https://doi. org/10.2514/6.2022-1062. vid For the current work, we
analyzed the effects of particle tracing on a M= 4.9 turbulent boundary layer subjected to …

Freestream velocity-profile measurement in a large-scale, high-enthalpy reflected-shock tunnel

D Shekhtman, WM Yu, MA Mustafa, NJ Parziale… - Experiments in …, 2021 - Springer
Abstract We apply Krypton Tagging Velocimetry (KTV) to measure velocity profiles in the
freestream of a large, national-scale high-enthalpy facility, the T5 Reflected-Shock Tunnel at …

On the mean structure and unsteadiness of dual shock wave–turbulent boundary layer interactions

N Li, W Li, Z Ye, W Zhang - Journal of Fluid Mechanics, 2024 - cambridge.org
Supersonic internal flows often exhibit multiple reflected shocks within a limited distance.
These shocks can interact with each other in a complex manner due to the characteristics of …

Probing Resolution Effects of Particle Image Velocimetry for Measuring High-Speed Turbulent Boundary Layers Using Lagrangian Particle Tracking

MT Aultman, KJ Disotell, L Duan - AIAA SCITECH 2023 Forum, 2023 - arc.aiaa.org
View Video Presentation: https://doi. org/10.2514/6.2023-0867. vid For the current work, the
spatial resolution effects of particle tracing techniques for measuring boundary-layer …