A fiber optic pressure sensing technology based on thin diaphragm structure

WANG Zhao; WU Zutang; WEN Guangrui; YANG Jun; CHEN Liqiang; SHI Guokai

doi:10.11883/bzycj-2018-0091

Volume 39 Issue 6

Jun. 2019

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WANG Zhao, WU Zutang, WEN Guangrui, YANG Jun, CHEN Liqiang, SHI Guokai. A fiber optic pressure sensing technology based on thin diaphragm structure[J]. Explosion And Shock Waves, 2019, 39(6): 064101. doi: 10.11883/bzycj-2018-0091

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WANG Zhao, WU Zutang, WEN Guangrui, YANG Jun, CHEN Liqiang, SHI Guokai. A fiber optic pressure sensing technology based on thin diaphragm structure[J]. Explosion And Shock Waves, 2019, 39(6): 064101. doi: 10.11883/bzycj-2018-0091

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A fiber optic pressure sensing technology based on thin diaphragm structure

doi: 10.11883/bzycj-2018-0091

WANG Zhao^{1, 2
,},
WU Zutang^{2
,
,},
WEN Guangrui¹,
YANG Jun²,
CHEN Liqiang²,
SHI Guokai²

1.
School of Mechanical Engineering, Xi’an Jiaotong University, Xi’an 710049, Shaanxi, China
2.
Northwest Institute of Nuclear Technology, Xi’an 710024, Shaanxi, China

Received Date: 2018-03-21
Rev Recd Date: 2018-07-13

Available Online: 2019-07-25

Publish Date: 2019-06-01

Abstract

Abstract

A novel fiber optic pressure sensing technology is presented to obtain the peak reflected pressure of shock waves. This technology is based on the Newton's second law and the pressure relates directly to the acceleration of a thin diaphragm. The acceleration is detected by an interferometric measurement of the displacement using a Fabry-Perot cavity technology. Both numerical simulation and shock tube experiments prove that the pressure sensing technology is feasible. And this technology has several advantages including no calibration required, ease of manufacture, low cost, high precision and fast response times.
- reflection overpressure,
- fiber optics pressure sensor,
- Fabry-Perot technology,
- shock waves

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References(22)

References

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