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Wind-tunnel testing of VTOL and STOL aircraftThe basic concepts of wind-tunnel boundary interference are discussed and the development of the theory for VTOL-STOL aircraft is described. Features affecting the wall interference, such as wake roll-up, configuration differences, recirculation limits, and interference nonuniformity, are discussed. The effects of the level of correction on allowable model size are shown to be amenable to generalized presentation. Finally, experimental confirmation of wind-tunnel interference theory is presented for jet-flap, rotor, and fan-in-wing models.
Document ID
19780022097
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Heyson, H. H. (NASA Langley Research Center Hampton, VA, United States)
Date Acquired
September 3, 2013
Publication Date
July 1, 1978
Subject Category
Aerodynamics
Report/Patent Number
NASA-TM-78750
Report Number: NASA-TM-78750
Meeting Information
Meeting: Seminar on Aerodyn. of V/STOL Aircraft and Helicopters
Location: University Park, PA
Country: United States
Start Date: July 31, 1978
End Date: August 4, 1978
Accession Number
78N30040
Funding Number(s)
PROJECT: RTOP 516-50-23-01
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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