Shock tubes have emerged as an effective tool for applications in various fields of research
and technology. The conventional mode of shock tube operation employs a frangible …

Experiments are performed to investigate the effect of nose-tip bluntness on the instability
mechanisms leading to boundary-layer transition on a, the schlieren visualization region is …

Picosecond laser electronic-excitation tagging (PLEET) was demonstrated in a Mach-6
Ludwieg tube at a repetition rate of 100 kHz using a 1064 nm, 100 ps burst-mode laser. The …

Hypersonic boundary-layer instability disturbance and transition experiments were
performed in the Air Force Research Laboratory Mach-6 Ludwieg Tube on a 1-m-long ogive …

A nonlinear ensemble-variational data assimilation is performed in order to estimate the
unknown flow field over a slender cone at Mach 6, from isolated wall-pressure …

Femtosecond laser electronic excitation tagging (FLEET) velocimetry was used in the
boundary layer of an ogive-cylinder model in a Mach-6 Ludwieg tube. One-dimensional …

The characterization of a hypersonic impulse facility is performed using a variety of methods
including Pitot probe scans, particle image velocimetry, and schlieren imaging to verify …

Unsteady surface pressure measurements have been carried out on a flat-plate test article in
the Air Force Research Laboratory's Mach-6 Ludwieg Tube at a negative angle of attack …

View Video Presentation: https://doi. org/10.2514/6.2021-0384. vid The University of
Tennessee Space Institute has constructed a Mach 4 Ludwieg Tube (M4LT) in the …

Time-resolved surface temperature measurements have been carried out on a 7° half-angle
circular cone/flare model in the Air Force Research Laboratory's Mach-6 Ludwieg Tube …