Hypersonic fluid–structure interactions in compression corner shock-wave/boundary-layer interaction

TJ Whalen, AG Schöneich, SJ Laurence, BT Sullivan… - AIAA journal, 2020 - arc.aiaa.org
The fluid–structure interaction of a flexible panel exposed to a ramp-induced shock-
wave/boundary-layer interaction (SWBLI) at Mach 6 is investigated experimentally for …

Detection of second-mode instabilities on a flared cone in Mach 6 quiet flow with linear array focused laser differential interferometry

M Gragston, F Siddiqui, JD Schmisseur - Experiments in Fluids, 2021 - Springer
In this work, an enhanced version of the focused laser differential interferometer (FLDI) is
used to measure second-mode instabilities in the boundary layer on a flared cone in Mach 6 …

Nonlinear dynamics and flutter of plate and cavity in response to supersonic wind tunnel start

M Freydin, EH Dowell, SM Spottswood, RA Perez - Nonlinear Dynamics, 2021 - Springer
The transient response of a plate and a cavity is investigated in a supersonic wind tunnel
start experiment where the freestream flow inside the test section reaches turbulent flow at …

Effects of surface compliance on shock boundary layer interaction in the caltech mach 4 ludwieg tube

MC Neet, JM Austin - AIAA Scitech 2020 forum, 2020 - arc.aiaa.org
Understanding the effects of fluid-structure interactions caused by turbulent boundary layers
and shock boundary layer interactions, on thin, compliant, structures is crucial for developing …

Development of a self-aligned compact focusing Schlieren system for NASA test facilities

BF Bathel, JM Weisberger - AIAA SciTech 2022 Forum, 2022 - arc.aiaa.org
View Video Presentation: https://doi. org/10.2514/6.2022-0560. vid A novel compact,
inherently self-aligned focusing schlieren system is presented for use in experiments that …

Global measurements of hypersonic shock-wave/boundary-layer interactions with pressure-sensitive paint

CL Running, TJ Juliano - Experiments in Fluids, 2021 - Springer
Global surface pressure measurements have been carried out on a 7° half-angle circular
cone/flare model at nominally zero angle of attack using pressure-sensitive paint (PSP) …

Supersonic aerothermoelastic experiments of aerospace structures

SM Spottswood, BP Smarslok, RA Perez, TJ Beberniss… - AIAA journal, 2021 - arc.aiaa.org
The US Air Force Research Laboratory Structural Sciences Center recently started an
experimental campaign in the Arnold Engineering Development Center von Kármán Facility …

Single source/cutoff grid, self-aligned focusing schlieren system

JM Weisberger, BF Bathel - Experiments in Fluids, 2022 - Springer
A compact focusing schlieren system is presented that eliminates the need for a separate
source and cutoff grid. Light is projected through a grid ruling and onto a background, where …

A theoretical computational model of a plate in hypersonic flow

M Freydin, EH Dowell, TJ Whalen… - Journal of Fluids and …, 2020 - Elsevier
A theoretical model of an elastic panel in hypersonic flow is derived to be used for design
and analysis. The nonlinear von Kármán plate equations are coupled with 1st order Piston …

Hypersonic shock wave-boundary-layer interaction on the control surface of a slender cone

A Pandey, KM Casper, R Spillers, M Soehnel… - AIAA SciTech 2020 …, 2020 - arc.aiaa.org
Three-dimensional shock wave–boundary-layer interaction arising due to the deflection of a
control surface on a slender cone has been studied at Mach 5 and Mach 8. The control …