Shock-dominated flow control by plasma array: Pressure analysis including pressure-sensitive paint visualization

S Elliott, M Hasegawa, H Sakaue, S Leonov - Experimental Thermal and …, 2022 - Elsevier
This work is focused on the experimental characterization of shock-dominated flow
structures, parameters, and dynamics under control by a filamentary plasma array. Testing …

Shock-wave/boundary-layer interactions at compression ramps studied by high-speed schlieren

Z Sun, T Gan, Y Wu - AIAA Journal, 2020 - arc.aiaa.org
The shock-wave/boundary-layer interactions (SWBLIs) at compression ramps (ramp angle
α= 20–30 deg) are studied at M a= 2.0 and under two Reynolds numbers (Re 1= 18,600 and …

[HTML][HTML] Experimental investigation of expansion effect on shock wave boundary layer interaction near a compression ramp

HUO Junjie, YI Shihe, W Zheng, NIU Haibo… - Chinese Journal of …, 2022 - Elsevier
The experiment is conducted to investigate the effect of expansion on the shock wave
boundary layer interaction near a compression ramp. The small-angle expansion with an …

Wall modeled large eddy simulation of supersonic flow physics over compression–expansion ramp

EG Rad, SM Mousavi - Acta Astronautica, 2015 - Elsevier
In the present work, wall modeled large-eddy simulation (WMLES) in the Fluent software is
used to investigate the flow physics of a three-dimensional shock–turbulent boundary layer …

Measurement of flow perturbation spectra in mach 4.5 corner separation zone

B Hedlund, A Houpt, S Gordeyev, S Leonov - AIAA Journal, 2018 - arc.aiaa.org
Characterization of the M= 4.5 flow over a flat-plate model with a 30 deg compression ramp
was performed with low-enthalpy (T 0= 300 K) and high-enthalpy (T 0= 800–1250 K) flow …

Visualization of Görtler vortices in supersonic concave boundary layer

Q Wang, Z Wang, Y Zhao - Journal of Visualization, 2018 - Springer
By employing a nanoparticle-based planar laser scattering technique, with inflow Mach
number of 2.95, boundary layers formed over two concave walls with respective curvature …

Plasma-assisted control of supersonic flow over a compression ramp

Y Watanabe, A Houpt, SB Leonov - Aerospace, 2019 - mdpi.com
This study considers the effect of an electric discharge on the flow structure near a 19.4°
compression ramp in Mach-2 supersonic flow. The experiments were conducted in the …

[HTML][HTML] Time-resolved visualization of coherent structures during supersonic boundary layer transition

HE Lin, LU Xiaoge, HAN Junhao… - Chinese Journal of …, 2023 - Elsevier
The coherent structures arising during flat-plate boundary layer transition at Mach number
3.4 are investigated using a custom-built hyper-rate imaging system. The evolution of …

Control of shock train in Mach 4 duct-driven flow by filamentary plasma

PS Andrews, P Lax, SB Leonov - AIAA SCITECH 2023 Forum, 2023 - arc.aiaa.org
View Video Presentation: https://doi. org/10.2514/6.2023-1864. vid This paper focuses on
the experimental study of shock wave positioning and control of the reflection pattern by a …

Optical measurement of transient plasma impact on corner separation in M= 4.5 airflow

A Houpt, S Gordeyev, TJ Juliano… - 54th AIAA Aerospace …, 2016 - arc.aiaa.org
The objective of this work is to perform a feasibility study on the steering effect of a weakly
ionized transient plasma on the corner separation zone of a compression surface with a …