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Investigation of Hypersonic Nozzle Flow Uniformity Using NO FluorescencePlanar laser-induced fluorescence visualisation is used to investigate nonuniformities in the flow of a hypersonic conical nozzle. Possible causes for the nonuniformity are outlined and investigated, and the problem is shown to be due to a small step at the nozzle throat. Entrainment of cold boundary layer gas is postulated as the cause of the signal nonuniformity.
Document ID
20080015504
Acquisition Source
Langley Research Center
Document Type
Preprint (Draft being sent to journal)
Authors
O'Byrne, S. (New South Wales Univ. Canberra, Australia)
Danehy, P. J. (NASA Langley Research Center Hampton, VA, United States)
Houwing, A. F. P. (Australian National Univ. Canberra, Australia)
Date Acquired
August 24, 2013
Publication Date
January 1, 2005
Subject Category
Spacecraft Propulsion And Power
Distribution Limits
Public
Copyright
Public Use Permitted.

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