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Improved pressure measurement system for calibration of the NASA LeRC 10x10 supersonic wind tunnel

Author
Blumenthal, Philip Z.
Published
Jan 1, 1994.
Physical Description
1 electronic document
Additional Creators
Helland, Stephen M.
Online Version

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Unclassified, Unlimited, Publicly available.
Free-to-read Unrestricted online access
Summary
This paper discusses a method used to provide a significant improvement in the accuracy of the Electronically Scanned Pressure (ESP) Measurement System by means of a fully automatic floating pressure generating system for the ESP calibration and reference pressures. This system was used to obtain test section Mach number and flow angularity measurements over the full envelope of test conditions for the 10 x 10 Supersonic Wind Tunnel. The uncertainty analysis and actual test data demonstrated that, for most test conditions, this method could reduce errors to about one-third to one-half that obtained with the standard system.
Other Subject(s)
Collection
NASA Technical Reports Server (NTRS) Collection.
Note
Document ID: 19940019889.
Accession ID: 94N24362.
E-8338.
NASA-TM-106470.
NAS 1.15:106470.
International Instrumentation Symposium; 1-5 May 1994; Baltimore, MD; United States.
Terms of Use and Reproduction
No Copyright.
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