NASA NTRS · 19950020575
The noise reduction potential of dual-stream coaxial rectangular improperly expanded jet flows
Abstract
The research performed began during Spring 1991 as a project to assess the noise reduction potential of rectangular coaxial nozzle configurations for improperly expanded jets. The research plan consisted of: (1) design of coaxial rectangular nozzle configuration by Syracuse graduate research assistant; (2) construction of nozzles by NASA Langley machinists; and (3) acquisition of preliminary acoustic and optical data for a variety of inner and outer jet pressure ratios.
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Dosanjh, Darshan, Spina, Eric F.. 1995-04-01. The noise reduction potential of dual-stream coaxial rectangular improperly expanded jet flows. https://ntrs.nasa.gov/citations/19950020575
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