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 …

Electrically driven supersonic combustion

SB Leonov - Energies, 2018 - mdpi.com
This manuscript reviews published works related to plasma assistance in supersonic
combustion; focusing on mixing enhancement, ignition and flameholding. A special attention …

Modes of plasma-stabilized combustion in cavity-based M= 2 configuration

SB Leonov, S Elliott, C Carter, A Houpt, P Lax… - … Thermal and Fluid …, 2021 - Elsevier
This paper considers the modes of plasma-stabilized supersonic combustion in a cavity-
based flameholding configuration. The testing was performed in the SBR-50 supersonic …

Triggering shock wave positions by patterned energy deposition

P Andrews, P Lax, S Leonov - Energies, 2022 - mdpi.com
The problem considered in this work is shock wave (SW) positioning control in shock-
dominated flows. Experiments are conducted to investigate the triggering effect of patterned …

Rapid control of force/momentum on a model ramp by quasi-DC plasma

Y Watanabe, S Elliott, A Firsov, A Houpt… - Journal of Physics D …, 2019 - iopscience.iop.org
The results of experimental and computational studies are considered on a near surface
electric discharge effect on supersonic airflow near a 15 compression surface. The tests …

Ethylene ignition and flameholding by electrical discharge in supersonic combustor

S Leonov, A Houpt, S Elliott, B Hedlund - Journal of Propulsion and …, 2018 - arc.aiaa.org
This study examined the ignition and flameholding effects of the quasi-direct-current
discharge on a directly injected hydrocarbon fuel (ethylene) in a supersonic combustion …

Cylindrical focused laser differential interferometer

A Houpt, S Leonov - AIAA Journal, 2021 - arc.aiaa.org
A novel configuration of focused laser differential interferometry (FLDI) was developed,
simulated, and tested. The new configuration is referred to as cylindrical FLDI or CFLDI …

Focused laser differential interferometer for supersonic boundary layer measurements on flat plate geometries

AW Houpt, SB Leonov - 2018 Plasmadynamics and Lasers Conference, 2018 - arc.aiaa.org
I. Introduction on-intrusive measurements of spectra of density disturbances in high-speed,
compressible boundary layers is a challenging task. Many studies have been done using …

[HTML][HTML] The backward problem in plasma-assisted combustion: Experiments of nanosecond pulsed discharges driven by flames

C Guerra-Garcia, CA Pavan - Applications in Energy and Combustion …, 2023 - Elsevier
Plasma technologies are a promising way of addressing a number of challenges in
combustion, ranging from stabilization and flame-holding for hypersonic vehicles, to …

Control of shock positions in a supersonic duct by plasma array

S Elliott, P Lax, SB Leonov - AIAA SCITECH 2022 Forum, 2022 - arc.aiaa.org
View Video Presentation: https://doi. org/10.2514/6.2022-2553. vid The results of an
experimental study of shock train control by a patterned electrical discharge are discussed …