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Experimental studies of transonic flow field near a longitudinally slotted wind tunnel wallThe results of detailed parametric experiments are presented for the near-wall flow field of a longitudinally slotted transonic wind tunnel. Existing data are reevaluated and new data obtained in the Langley 6- by 19-inch Transonic Wind Tunnel are presented and analyzed. In the experiments, researchers systematically investigate many pertinent wall-geometry variables such as the wall openness and the number of slots along with the free stream Mach number and model angle of attack. Flow field surveys on the plane passing through the centerline of the slot were conducted and are presented. The effects of viscosity on the slot flow are considered in the analysis. The present experiments, combined with those of previous investigations, give a more complete physical characterization of the flow near and through the slotted wall of a transonic wind tunnel.
Document ID
19940025042
Acquisition Source
Legacy CDMS
Document Type
Thesis/Dissertation
Authors
Everhart, Joel L. (NASA Langley Research Center Hampton, VA, United States)
Bobbitt, Percy J. (NASA Langley Research Center Hampton, VA, United States)
Date Acquired
September 6, 2013
Publication Date
April 1, 1994
Subject Category
Aerodynamics
Report/Patent Number
NAS 1.60:3392
NASA-TP-3392
L-16423
Accession Number
94N29545
Funding Number(s)
PROJECT: RTOP 506-40-41-01
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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