Attenuation of the acoustic noise radiated by a compressible boundary layer through injection of a vibrationally active gas

GI Gillespie, SJ Laurence - Experiments in Fluids, 2024 - Springer
The effects of vibrational nonequilibrium processes on turbulence-generated acoustic noise
were investigated in a Mach-2.8 shock-tunnel facility. Gas mixtures with relevant absorption …

Experimental Demonstration of a Fiber-Optic Pressure-Sensing System for Scramjet Unstart Detection

HS Ifti, G Gillespie, SJ Laurence, K Moslehi… - AIAA SCITECH 2024 …, 2024 - arc.aiaa.org
Real-time monitoring and management of transient phenomena such as unsteady shock-
train formation inside the engine duct of scramjet-powered hypersonic vehicles is necessary …