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Potential and viscous flow in VTOL, STOL or CTOL propulsion system inletsA method was developed for analyzing the flow in subsonic axisymmetric inlets at arbitrary conditions of freestream velocity, incidence angle, and inlet mass flow. An improved version of the method is discussed and comparisons of results obtained with the original and improved methods are given. Comparisons with experiments are also presented for several inlet configurations and for various conditions of the boundary layer from insignificant to separated. Applications of the method are discussed, with several examples given for specific cases involving inlets for VTOL lift fans and for STOL engine nacelles.
Document ID
19750023951
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Stockman, N. O.
(NASA Lewis Research Center Cleveland, OH, United States)
Date Acquired
September 3, 2013
Publication Date
January 1, 1975
Subject Category
Aerodynamics
Report/Patent Number
NASA-TM-X-71799
Report Number: NASA-TM-X-71799
Accession Number
75N32024
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.
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