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 …

View Video Presentation: https://doi. org/10.2514/6.2023-2438. vid A self-aligned focusing
schlieren (SAFS) apparatus based on a recently published design is implemented for the …

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 …

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 …

View Video Presentation: https://doi. org/10.2514/6.2023-0869. vid The reconstruction of
globally-consistent hypersonic boundary layer disturbance modes from experimental …

A background-oriented schlieren (BOS) system is developed with two benefits over
traditional BOS systems. First, the dot pattern required for BOS is projected onto a …

Measurements of the flow in front of flat-face Pitot probes in NASA Langley Research
Center's 20-Inch Mach 6 Air Tunnel were made using a 35-point line focused laser …

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 …

Scramjet combustors feature ultra-high-speed turbulent reacting flows with high
temperatures and intense luminescence. Measurement of velocity fields under such extreme …

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 …