Influence of pressure transducer protrusion depth on pressure measurements of shock waves in shock tubes

Bhavraj Thethy, Benjamin Kaebe, Damon Honnery, Daniel Edgington-Mitchell, Harald Kleine

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This note investigates how small changes in the protrusion depth of a pressure transducer affect the pressure measurement of a moving shock wave. Measurements are undertaken with Kistler, Kulite, and PCB sensors in flush, recessed, and protruded sensor positions. Measurements of both absolute pressure and Mach number are shown to be insensitive to sensor protrusion depth. An assessment of sensor response time indicates a significantly shorter reaction time for the Kulite and PCB sensors compared with the Kistler sensor.

Original languageEnglish
Article number106101
Number of pages3
JournalReview of Scientific Instruments
Issue number10
Publication statusPublished - Oct 2020

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