Two dynamic pressure sources awe described for the calibration of pogo pressure transducers used to measure oscillatory pressures generated in the propulsion system of the space shuttle. Rotation of a mercury-filled tube in a vertical plane at frequencies below 5 Hz generates sinusoidal pressures up to 48 kPa, peak-to-peak; vibrating the same mercury-filleds the frequency response from 5 Hz to 100 Hz at pressures up to 140 kPa, peak-to-peak. The sinusoidal pressure fluctuations can be generated by both methods in the presence of high pressure (bias) up to 55 MPa. Calibration procedures are given in detail for the use of both sources. The dynamic performance of selected transducers was evaluated using these procedures; the results of these calibrations are presented. Calibrations made with the two sources near 5 Hz agree to within 3 % of each other.


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    Title :

    Development of dynamic calibration methods for pogo pressure transducers


    Additional title:

    Entwicklung eines dynamischen Eichverfahrens fuer POGO (polares, planetartisches, geophysikalisches Observatorium) Druckmessgeber


    Contributors:

    Published in:

    Publication date :

    1976


    Size :

    62 Seiten


    Type of media :

    Report


    Type of material :

    Print


    Language :

    English




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