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 …

Aerodynamic Instabilities in High-Speed Air Intakes and Their Role in Propulsion System Integration

AL Philippou, PK Zachos, DG MacManus - Aerospace, 2024 - mdpi.com
High-speed air intakes often exhibit intricate flow patterns, with a specific type of flow
instability known as 'buzz', characterized by unsteady shock oscillations at the inlet. This …

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 …

Effect of electrode geometry on the flow structure induced by plasma actuators

Z Sun, Z Shi, Z Li, X Geng, Z Yin - Physics of Fluids, 2022 - pubs.aip.org
Pulsed surface arc discharge (PSAD) is one of the essential techniques in flow control. In
this paper, the effects of electrode configuration on heat transfer characteristics of PSAD and …

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 …

Characterization of three-electrode SparkJet actuator for hypersonic flow control

Y Zhou, Z **a, Z Luo, L Wang, X Deng, Q Zhang… - AIAA Journal, 2019 - arc.aiaa.org
AERODYNAMIC control is one of the major challenges in supersonic/hypersonic vehicle
design. Effective manipulation of the flowfield can lead to a number of significant benefits to …

Effects of steady and pulsed discharge arcs on shock wave control in Mach 2.5 flow

F Liu, H Yan, W Zhan, Y Xue - Aerospace Science and Technology, 2019 - Elsevier
The effects of the steady and pulsed arc discharge on the oblique shock wave control are
explored through an experimental study in a supersonic wind tunnel with the maximum …

High-speed aerodynamics control using energy injection of pulsed discharges

H Wang, F Min, Z **e, F **e, J Li, Y Yang - Aerospace Science and …, 2023 - Elsevier
We present a novel method of high-speed aerodynamic control that relies on active energy
injection of pulsed discharges characterized by a high power density and long pulse width …

Evolution and composition of flow structures generated by nanosecond pulsed surface arc discharge in a magnetic field

Z Sun, Z Shi, Z Li, X Geng, Z Ren - Physics of Fluids, 2022 - pubs.aip.org
The complete flow structure and the composition of the flow structure generated by Pulsed
Surface Arc Discharge in a Magnetic Field (M-PSAD) are the keys to explaining the plasma …

Redistribution of energy during interaction of a shock wave with a temperature layered plasma region at hypersonic speeds

OA Azarova, TA Lapushkina, KV Krasnobaev… - Aerospace, 2021 - mdpi.com
The paper is devoted to the problem of the interaction between a shock wave and a
thermally stratified energy source for the purpose of supersonic/hypersonic flow control …