Explosion characteristics of zirconium dust cloud

Deng Jun; Ren Xugang; Wang Qiuhong; Yang Yufeng

doi:10.11883/1001-1455(2017)03-0496-06

Volume 37 Issue 3

Apr. 2017

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Deng Jun, Ren Xugang, Wang Qiuhong, Yang Yufeng. Explosion characteristics of zirconium dust cloud[J]. Explosion And Shock Waves, 2017, 37(3): 496-501. doi: 10.11883/1001-1455(2017)03-0496-06

Citation:

Deng Jun, Ren Xugang, Wang Qiuhong, Yang Yufeng. Explosion characteristics of zirconium dust cloud[J]. Explosion And Shock Waves, 2017, 37(3): 496-501. doi: 10.11883/1001-1455(2017)03-0496-06

Deng Jun, Ren Xugang, Wang Qiuhong, Yang Yufeng. Explosion characteristics of zirconium dust cloud[J]. Explosion And Shock Waves, 2017, 37(3): 496-501. doi: 10.11883/1001-1455(2017)03-0496-06

Citation:

Deng Jun, Ren Xugang, Wang Qiuhong, Yang Yufeng. Explosion characteristics of zirconium dust cloud[J]. Explosion And Shock Waves, 2017, 37(3): 496-501. doi: 10.11883/1001-1455(2017)03-0496-06

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Explosion characteristics of zirconium dust cloud

doi: 10.11883/1001-1455(2017)03-0496-06

Deng Jun^{1, 2},
Ren Xugang^{1, 2},
Wang Qiuhong^{1, 2
,
,},
Yang Yufeng^{1, 2}

1.
School of Safety Science and Engineering, Xi'an University of Science and Technology, Xi'an 710054, Shaanxi, China
2.
Shaanxi Key Laboratory of Prevention and Control of Coal Fire, Xi'an University of Science and Technology, Xi'an 710054, Shaanxi, China

Received Date: 2015-10-08
Rev Recd Date: 2015-11-25
Publish Date: 2017-05-25

Abstract

Abstract

A 20-liter nearly-spherical container was employed to examine the influence of initial ignition energy, ignition delay time and zirconium dust concentration on the characteristics of zirconium dust cloud explosion. The experimental results indicate that the maximum explosion pressure of zirconium dust cloud increases as the initial ignition energy increases, however, with the increase of ignition delay time, the maximum explosion pressure of the dust cloud increases at first and decreases thereafter. At the same time, there exists an optimal ignition delay time. In addition, with the increase of dust concentration, the maxmum explosion pressure of the dust cloud increases at first and decreases thereafter as well. Finally, there exists an optimal dust concentration, and the lower explosion limit of zirconium dust cloud is 18 to 20 g/m³.
- zirconium,
- dust cloud,
- explosion pressure,
- initial ignition energy,
- ignition delay time

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References(13)

References

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