 Schlieren Flow Visualization (NASA Glenn Research Center)

Online text: www.grc.nasa.gov/WWW/K-12/airplane/tunvschlrn.html

Issued and hosted by NASA Glenn Research Center. The footer credits Nancy Hall as editor and NASA official; no individual author byline is established. Last updated 13 May 2021, an online revision date.

Cited passages: slit source, two concave mirrors, knife edge and recording device; density-gradient contrast; dimensional interpretation.