Flow Measurement GallerySchlieren image of the Large-Scale Low-Boom (LSLB) Inlet in the 8- by 6-Foot Supersonic Wind Tunnel at NASA’s Glenn Research...Test section of the 9- by 7-foot Unitary Plan Supersonic Wind Tunnel at NASA's Ames Research Center, set up to...Polystyrene Particles (PSL’s) being developed at NASA’s Langley Research Center for improved Particle Image Velocimetry Measurements