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Title: Transient Pressure Measurement And Calibration
Author: Vern E. Bean, Walter J. Bowers, Jr., Wilbur S. Hurst, Gregory J. Rosasco
Source: 1993 Measurement Science Conference
Year Published: 1993
Abstract: The properties to be determined when calibrating a transient pressure transducer are sensitivity, amplitude as a function of frequency, phase as a function of frequency, resonant frequency, ringing frequency, damping ratio, rise time, and overshoot. A static calibration yields only the sensitivity. Calibration with a shock tube of known pressure amplitude yields all eight parameters. NIST has installed a shock tube capable of reflected pressures up to 20 MPa which is intended for pressure transducer calibration. NIST is also developing primary standards for the measurement of transient pressure and temperature based on the fundamental properties of selected diatomic gas molecules determined through laser spectroscopy. The pressure amplitude in the shock tube is to be calibrated with these primaly standards.

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