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Analysis of Fluctuating Static Pressure Measurements in the National Transonic FacilityDynamic measurements of fluctuating static pressure levels were taken with flush-mounted, high-frequency response pressure transducers at 11 locations in the circuit of the National Transonic Facility (NTF) across the complete operating range of this wind tunnel. Measurements were taken at test-section Mach numbers from 0.1 to 1.2, at pressures from 1 to 8.6 atm, and at temperatures from ambient to -250 F, which resulted in dynamic flow disturbance measurements at the highest Reynolds numbers available in a transonic ground test facility. Tests were also made by independent variation of the Mach number, the Reynolds number, or the fan drive power while the other two parameters were held constant, which for the first time resulted in a distinct separation of the effects of these three important parameters.
Document ID
19960020479
Document Type
Technical Publication (TP)
Authors
Igoe, William B. (NASA Langley Research Center Hampton, VA United States)
Date Acquired
September 6, 2013
Publication Date
March 1, 1996
Subject Category
Research and Support Facilities (Air)
Report/Patent Number
L-17371
NAS 1.60:3475
NASA-TP-3475
Funding Number(s)
PROJECT: RTOP 505-59-54-01
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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