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A correlation method to predict the surface pressure distribution of an infinite plate or a body of revolution from which a jet is issuingA correlation method to predict pressures induced on an infinite plate by a jet exhausting normal to the plate into a subsonic free stream was extended to jets exhausting at angles to the plate and to jets exhausting normal to the surface of a body revolution. The complete method consisted of an analytical method which models the blockage and entrainment properties of the jet and an empirical correlation which accounts for viscous effects. For the flat plate case, the method was applicable to jet velocity ratios up to ten, jet inclination angles up to 45 deg from the normal, and radial distances up to five diameters from the jet. For the body of revolution case, the method was applicable to a body at zero degrees angle of attack, jet velocity ratios 1.96 and 3.43, circumferential angles around the body up to 25 deg from the jet, axial distances up to seven diameters from the jet, and jet-to-body diameter ratios less than 0.1.
Document ID
19800023831
Acquisition Source
Legacy CDMS
Document Type
Contractor Report (CR)
Authors
Perkins, S. C., Jr.
(Nielsen Engineering and Research, Inc. Mountain View, CA, United States)
Mendenhall, M. R.
(Nielsen Engineering and Research, Inc. Mountain View, CA, United States)
Date Acquired
September 4, 2013
Publication Date
January 1, 1980
Subject Category
Aerodynamics
Report/Patent Number
NASA-CR-152345
NEAR-TR-211
Report Number: NASA-CR-152345
Report Number: NEAR-TR-211
Accession Number
80N32339
Funding Number(s)
CONTRACT_GRANT: NAS2-10125
PROJECT: RTOP 505-42-71
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.
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