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Installation effects on performance of multiple model V/STOL lift fans.The location and appendages of a lift fan on a V/STOL aircraft are expected to have a measurable effect on fan performance. To study such installation effects, an experimental program was performed in which the individual performance of multiple VTOL model lift fans was measured. The model tested consisted of three 13.97-cm diameter tip-turbine driven model VTOL lift fans mounted chordwise in a two-dimensional wing to simulate a pod-type array. The performance data provided significant insight into possible thrust variations and losses caused by the presence of cover doors, adjacent fuselage panels, and adjacent fans. The effect of a partial loss of drive air supply on fan performance was also investigated.
Document ID
19730028669
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Diedrich, J. H.
Clough, N.
Lieblein, S. (NASA Lewis Research Center Cleveland, Ohio, United States)
Date Acquired
August 7, 2013
Publication Date
November 1, 1972
Subject Category
Aircraft
Report/Patent Number
AIAA PAPER 72-1175
Report Number: AIAA PAPER 72-1175
Meeting Information
Meeting: Joint Propulsion Specialist Conference
Location: New Orleans, LA
Country: US
Start Date: November 29, 1972
End Date: December 1, 1972
Sponsors: American Institute of Aeronautics and Astronautics, Society of Automotive Engineers
Accession Number
73A13471
Distribution Limits
Public
Copyright
Other

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