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Design Improvement for Airplane-Engine NacellesAdvanced three-dimensional transonic design routine for wingmounted engine nacelles modified to include effects of propellers and wing sweep. Resulting new nacelle shapes introduce less airflow disturbance and less drag. Improvement consists of introduction of boundary conditions in form of nonuniform onset flow in area of wing washed by propeller slipstream. Routine generates nacelle shape as series of cross sections swept, relatively to unperturbed flow, as function of wing shape.
Document ID
19870000140
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Vernon, D. F.
(McDonnell Douglas Corp.)
Page, G. S.
(McDonnell Douglas Corp.)
Welge, H. R.
(McDonnell Douglas Corp.)
Date Acquired
August 13, 2013
Publication Date
March 1, 1987
Publication Information
Publication: NASA Tech Briefs
Volume: 11
Issue: 3
ISSN: 0145-319X
Subject Category
Mechanics
Report/Patent Number
ARC-11580
Accession Number
87B10140
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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