Article
Article
Supersonic diffuser
Article By:
Connors, James F. Propulsion Aerodynamics Division, National Aeronautics and Space Administration.
Obery, Leonard J. Plans and Programs Offices, National Aeronautics and Space Administration, Cleveland, Ohio.
Last reviewed:January 2021
DOI:https://doi.org/10.1036/1097-8542.670100
A passive compressor (or shaped duct) in which gas enters at a velocity greater than the speed of sound (Mach number greater than 1), is decelerated in a contracting section, and reaches a lower internal Mach number, often sonic speed, at a throat.
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