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Earth SciencesGeomagnetism

Flow Characterization of the Trisonic Gasdynamics Facility Using a LaserVelocimeter

Authors: C. B. Weissman; G. L. Seibert; AIR FORCE WRIGHT AERONAUTICAL LABS WRIGHT-PATTERSON AFB OH
 
Abstract: The need for good tunnel calibration data is ever present for the experimenters. Current requirements by investigators in the Trisonic Gasdynamics Facility (TGF) have been including laser Doppler velocimeter (LDV) measurements more routinely. Therefore, a reasonable degree of confidence in the LDV measurements requires some baseline data from the facility with no model in the flow. To this end an entry was made the summer of 1984 exclusively for LDV analysis of the flow. The tunnel was run with the wooden nozzle blocks installed. Several Mach numbers were run for wall boundary layer and free stream measurements. In addition, during an entry in November 1984, several boundary layer profiles were taken at Mach 0.3 for comparison with the wood nozzle data, while the steel subsonic blocks were installed.

Limitations: APPROVED FOR PUBLIC RELEASE
Description: Technical memo Jul 1984-Feb 1985
Pages: 46
Report Date: OCT 1985
Report Number: A066773
Keywords relating to this report:
*LASER VELOCIMETERS
*WIND TUNNELS
CALIBRATION
TEST FACILITIES
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