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Transition Documentation on a Three-Element High-Lift Configuration at High Reynolds Numbers: AnalysisA 2-D high-lift system experiment was conducted in August of 1996 in the Low Turbulence Pressure Tunnel at NASA Langley Research Center, Hampton, VA. The purpose of the experiment was to obtain transition measurements on a three element high-lift system for CFD code validation studies. A transition database has been created using the data from this experiment. The present report contains the analysis of the surface hot film data in terms of the transition locations on the three elements. It also includes relevant information regarding the pressure loads and distributions and the wakes behind the model to aid in the interpretation of the transition data. For some of the configurations the current pressure data has been compared with previous wind tunnel entries of the same model. The methodology used to determine the regions of transitional flow is outlined and each configuration tested has been analyzed. A discussion of interference effects, repeatability, and three-dimensional effects on the data is included.
Document ID
20020030746
Acquisition Source
Langley Research Center
Document Type
Contractor Report (CR)
Authors
Bertelrud, Arild (Analytical Services and Materials, Inc. Hampton, VA United States)
Anders, J. B.
Date Acquired
September 7, 2013
Publication Date
February 1, 2002
Subject Category
Fluid Mechanics And Thermodynamics
Report/Patent Number
NAS 1.26:211438
NASA/CR-2002-211438
Funding Number(s)
CONTRACT_GRANT: NAS1-96014
PROJECT: RTOP 706-31-11-80
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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