A method is presented to acquire self-aligned focusing schlieren (SAFS) images when the optical axis of the instrument is positioned at a non-normal incidence angle to the …
J Davami, TJ Juliano, A Scholten, P Paredes… - AIAA SCITECH 2024 …, 2024 - arc.aiaa.org
As part of NATO STO AVT-346 “Predicting Hypersonic Boundary-Layer Transition on Complex Geometries,” coordinated experimental and computational studies were conducted …
A colinear focused laser differential interferometer (FLDI) and self-aligned focusing schlieren (SAFS) system has been assembled and tested in the laboratory, using a turbulent jet of …
A self-aligned focusing schlieren (SAFS) system combines the field of view of a conventional schlieren system with the defocus blur of a focusing schlieren system away from the object …
View Video Presentation: https://doi. org/10.2514/6.2023-0098. vid A series of experiments were performed in the Air Force Research Laboratory Mach-6 Ludwieg Tube using a …
A cone-cylinder-flare model with sharp and blunt nosetips was tested at the AFRL Mach-6 Ludwieg Tube at a 0\(^{\circ}\) angle of attack. Surface-pressure fluctuation measurements …
BL Bemis, MC Sieve, JL Hill, MP Borg… - AIAA AVIATION 2023 …, 2023 - arc.aiaa.org
View Video Presentation: https://doi. org/10.2514/6.2023-3706. vid This work experimentally investigated the second-mode boundary-layer instability over four different material inserts …
N Kiefer, J Braun, G Paniagua - AIAA SCITECH 2024 Forum, 2024 - arc.aiaa.org
Low and high-frequency surface techniques characterized a Mach 4 to 6 nozzle with an accelerating boundary layer. Schlieren imaging was used to describe the starting behavior …
A hybrid femtosecond/picosecond coherent anti-Stokes Raman scattering (fs/ps CARS) system was developed for quantitative measurements of temperature in a laboratory-scale …