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Assessment of wind tunnel corrections for multielement airfoils at transonic speedsA finite volume formulation of the Euler equations using Cartesian grids is used to calculate the transonic flow over multielement airfoils and to use the resulting solutions to assess wall interference effects in wind tunnels. Available methods and recommendations for evaluating such effects, which are based on shifts in Mach number and angle of attack, are examined and the results are compared with measurements using the flapped supercritical SKF 1.1 airfoil. Based on the calculations, it is concluded that shifts in Mach number and angle of attack cannot by themselves account for viscous and wall effects on multielement airfoils at transonic speeds.
Document ID
19850060817
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Gaffney, R. L., Jr.
(North Carolina State Univ. Raleigh, NC, United States)
Hassan, H. A.
(North Carolina State University Raleigh, United States)
Salas, M. D.
(NASA Langley Research Center Hampton, VA, United States)
Date Acquired
August 12, 2013
Publication Date
January 1, 1985
Subject Category
Aerodynamics
Meeting Information
Meeting: Symposium on Numerical and Physical Aspects of Aerodynamic Flows
Location: Long Beach, CA
Start Date: January 21, 1985
End Date: January 24, 1985
Accession Number
85A42968
Funding Number(s)
CONTRACT_GRANT: NCC1-22
Distribution Limits
Public
Copyright
Other

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