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An analytical study of the effects of jets located more than one jet diameter above a wing at subsonic speedsA procedure has been developed for calculating the effects of blowing two jets over a swept tapered wing at low subsonic speeds. The algorithm used is based on a vortex-lattice representation of the wing lifting surface and a line sink-source distribution to simulate the effects of the jet exhaust on the wing lift and drag. The method is limited to those cases in which the jet exhaust does not intersect or wash the wing. The predictions of this relatively simple procedure are in remarkably good agreement with experimentally measured interference lift and interference induced drag.
Document ID
19740023302
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Technical Note (TN)
Authors
Putnam, L. E. (NASA Langley Research Center Hampton, VA, United States)
Date Acquired
September 3, 2013
Publication Date
August 1, 1974
Subject Category
Aerodynamics
Report/Patent Number
L-9683
NASA-TN-D-7754
Accession Number
74N31415
Funding Number(s)
PROJECT: RTOP 501-24-06-01
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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