Chirped fiber Bragg grating sensor for side detonation velocity measurement of the explosion

Deng Xiang-yang; Liu Shou-xian; Peng Qi-xian; Li Ze-ren; Chen Guang-hua; Meng Jian-hua

doi:10.11883/1001-1455(2015)02-0191-06

Volume 35 Issue 2

Mar. 2015

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Article Navigation > Explosion And Shock Waves > 2015 > 35(2): 191-196

Deng Xiang-yang, Liu Shou-xian, Peng Qi-xian, Li Ze-ren, Chen Guang-hua, Meng Jian-hua. Chirped fiber Bragg grating sensor for side detonation velocity measurement of the explosion[J]. Explosion And Shock Waves, 2015, 35(2): 191-196. doi: 10.11883/1001-1455(2015)02-0191-06

Citation:

Deng Xiang-yang, Liu Shou-xian, Peng Qi-xian, Li Ze-ren, Chen Guang-hua, Meng Jian-hua. Chirped fiber Bragg grating sensor for side detonation velocity measurement of the explosion[J]. Explosion And Shock Waves, 2015, 35(2): 191-196. doi: 10.11883/1001-1455(2015)02-0191-06

Citation:

Deng Xiang-yang, Liu Shou-xian, Peng Qi-xian, Li Ze-ren, Chen Guang-hua, Meng Jian-hua. Chirped fiber Bragg grating sensor for side detonation velocity measurement of the explosion[J]. Explosion And Shock Waves, 2015, 35(2): 191-196. doi: 10.11883/1001-1455(2015)02-0191-06

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Chirped fiber Bragg grating sensor for side detonation velocity measurement of the explosion

doi: 10.11883/1001-1455(2015)02-0191-06

Institute of Fluid Physics, China Academy of Engineering Physics, Mianyang 621999, Sichuan, China

Received Date: 2013-06-28
Rev Recd Date: 2013-11-19
Publish Date: 2015-03-25

Abstract

Abstract

An experimental equation of CFBG sensor for detonation velocity measurement which was based on the flatness of ASE light source and CFBG reflection spectrum, was quantitatively established for the first time. The CFBG length could be calculated by the theoretical relation between it and the CFBG reflection spectrum line-width, which was measured experimentally. The constant of the CFBG sensor was fitted by the experimental data. The side detonation-wave velocity of RDX/TNT (60/40) was measured with 3.4% error compared to the publication value.
- mechanics of explosion,
- chirped fiber Bragg grating sensor,
- reflection spectrum,
- detonation velocity,
- ASE light source

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References(17)

References

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