Application of flame retardant medium in fuel dispersion driven by explosive

WANG Yongxu; XIE Lifeng; JIA Xiaoliang; ZHANG Ying; LI Bin

doi:10.11883/bzycj-2019-0260

Volume 40 Issue 4

Apr. 2020

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WANG Chun, ZHANG De-liang, JIANG Zong-lin. Numerical investigation of detonation sweeping an interface of inert gas and its decoupling[J]. Explosion And Shock Waves, 2006, 26(6): 556-561. doi: 10.11883/1001-1455(2006)06-0556-06

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WANG Yongxu, XIE Lifeng, JIA Xiaoliang, ZHANG Ying, LI Bin. Application of flame retardant medium in fuel dispersion driven by explosive[J]. Explosion And Shock Waves, 2020, 40(4): 042302. doi: 10.11883/bzycj-2019-0260

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Application of flame retardant medium in fuel dispersion driven by explosive

doi: 10.11883/bzycj-2019-0260

1.
School of Chemical Engineering, Nanjing University of Science and Technology, Nanjing 210094, Jiangsu, China
2.
Liaoning Jinhua Electromechanical Company Limited, Huludao 125000, Liaoning, China

Received Date: 2019-07-01
Rev Recd Date: 2019-11-04

Available Online: 2020-03-25

Publish Date: 2020-04-01

Abstract

Abstract

To solve the premature-combustion problem of FAE fuel during the dispersal process by explosive, fire retardant medium with superfine ABC powder as the main component was introduced along with the structural design of central dispersed explosive. High-speed camera and infrared thermal imager were used to study the temperature and flame generated by the dispersed explosive. The experimental results show that the maximum temperature of the dispersed explosive fireball was 1355.4 °C, and the duration of the temperature exceeding 150 °C was 264.8 ms. The flame generated by the dispersed explosive almost completely disappears after the introduction of the flame retardant medium. The maximum temperature of the fireball decreases by more than 90%, and the surface temperature of the fireball does not exceed 100 °C. At the same time, the verification experiment was carried out. The mixture fuel of 1 kg ether and aluminum powder was dispersed by the dispersed explosive filled with flame retardant medium. When the mass ratio of dispersed explosive to fuel was more than 4%, the premature-combustion was restrained successfully. It shows that filling the flame retardant medium can effectively prevent the premature-combustion in the fuel dispersion process.
- fuel air explosive,
- dispersed explosive,
- premature-combustion,
- flame retardant medium

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References(18)

References

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