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    Evaluation of a Quartz Bourdon Pressure Gage of Wind Tunnel Mach Number Control System Application (1986)
    In:  CASI
    Details
    Publication Date: 2019-06-28
    Description: A theoretical and experimental study was undertaken to determine the feasibility of using the National Transonic Facility's high accuracy Mach number measurement system as part of a closed loop Mach number control system. The theoretical and experimental procedures described are applicable to the engineering design of pressure control systems. The results show that the dynamic response characteristics of the NTF Mach number gage (a Ruska DDR-6000 quartz absolute pressure gage) coupled to a typical length of pressure tubing were only marginally acceptable within a limited range of the facility's total pressure envelope and could not be used in the Mach number control system.
    Keywords: INSTRUMENTATION AND PHOTOGRAPHY
    Type: NASA-TM-88991 , NAS 1.15:88991
    Format: application/pdf
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    NASA TECHNICAL REPORTS
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