Investigation of shock waves in explosive blasts using fibre optic pressure sensors

S. Watson, W. N. MacPherson, J. S. Barton, J. D C Jones, A. Tyas, A. V. Pichugin, A. Hindle, W. Parkes, C. Dunare, T. Stevenson

Research output: Contribution to journalArticle

21 Citations (Scopus)

Abstract

We describe miniature all-optical pressure sensors, fabricated by wafer etching techniques, less than 1 mm2 in overall cross-section with rise times in the ?s regime and pressure ranges typically 900 kPa (9 bar). Their performance is suitable for experimental studies of the pressure-time history for test models exposed to shocks initiated by an explosive charge. The small size and fast response of the sensors promises higher quality data than has been previously available from conventional electrical sensors, with potential improvements to numerical models of blast effects. Results from blast tests are presented in which up to six sensors were multiplexed, embedded within test models in a range of orientations relative to the shock front. © 2006 IOP Publishing Ltd.

Original languageEnglish
Pages (from-to)1337-1342
Number of pages6
JournalMeasurement Science and Technology
Volume17
Issue number6
DOIs
Publication statusPublished - 1 Jun 2006

Keywords

  • Blast wave
  • Explosive charge
  • Fibre optic sensor
  • Pressure
  • Shock

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    Watson, S., MacPherson, W. N., Barton, J. S., Jones, J. D. C., Tyas, A., Pichugin, A. V., Hindle, A., Parkes, W., Dunare, C., & Stevenson, T. (2006). Investigation of shock waves in explosive blasts using fibre optic pressure sensors. Measurement Science and Technology, 17(6), 1337-1342. https://doi.org/10.1088/0957-0233/17/6/008