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Three-dimensional viscous rotor flow calculations using boundary-layer equationsA three-dimensional viscous-inviscid interaction analysis has been developed to predict the performance of rotors in hover and forward flight at subsonic and transonic tip speeds. The analysis solves the full-potential and boundary-layer equations by finite-difference numerical procedures. Calculations were made for several different model rotor configurations in hover and forward flight at subsonic and transonic tip speeds. The results were compared with predictions from a two-dimensional integral method and with experimental data. The comparisons show good agreement between test data and predictions.
Document ID
19910060736
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Chen, Ching S.
(NASA Ames Research Center Moffett Field, CA, United States)
Bridgeman, John O.
(Woodside Summit Group, Inc. Mountain View, CA, United States)
Date Acquired
August 14, 2013
Publication Date
September 1, 1989
Subject Category
Aerodynamics
Accession Number
91A45359
Distribution Limits
Public
Copyright
Other

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