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Free wake analysis of hover performance using a new influence coefficent method

[Washington, D.C.] : National Aeronautics and Space Administration, Office of Management, Scientific and Technical Information Division ; Springfield, Va. : For sale by the National Technical Information Service, 1990. 1990

A new methodology for free wake analysis using curved vortex elements

Bliss, Donald B.
[Washington, D.C.] : National Aeronautics and Space Administration, Scientific and Technical Information Branch, 1987. 1987

Study for prediction of rotor/wake/fuselage interference

Clark, D. R.
Redmond, WA : Analytical Methods, Inc. ; Moffett Field, Calif : National Aeronautics and Space Administration, Ames Research Center, [1985] 1985