Theoretical model and experiment of radius variation of initial smoke cloud

Xu Xingchun; Gao Xinbao; Li Tianpeng; Zhang Junkun

doi:10.11883/1001-1455(2016)02-0183-06

Volume 36 Issue 2

Oct. 2018

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Xu Xingchun, Gao Xinbao, Li Tianpeng, Zhang Junkun. Theoretical model and experiment of radius variation of initial smoke cloud[J]. Explosion And Shock Waves, 2016, 36(2): 183-188. doi: 10.11883/1001-1455(2016)02-0183-06

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Xu Xingchun, Gao Xinbao, Li Tianpeng, Zhang Junkun. Theoretical model and experiment of radius variation of initial smoke cloud[J]. Explosion And Shock Waves, 2016, 36(2): 183-188. doi: 10.11883/1001-1455(2016)02-0183-06

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Theoretical model and experiment of radius variation of initial smoke cloud

doi: 10.11883/1001-1455(2016)02-0183-06

Ordnance Engineering College, Shijiazhuang 050003, Hebei, China

Received Date: 2014-08-13
Rev Recd Date: 2015-01-14
Publish Date: 2016-03-25

Abstract

Abstract

The radius of the initial smoke cloud is an essential parameter frequently used when evaluating the smoke shelter efficiency. In this paper, the expansion process and the initial parameters of the smoke cloud were analyzed using theoretical assumptions based on a smoke generating device. The expansion process of smoke clouds were respectively divided into the isentropic expansion stage and the free expansion stage, and differential equations of the smoke cloud expansion were then established through analyzing the expansion process. After that the differential equations were solved using the Runge-Kutta method, and the radius variation with time of the initial smoke cloud was presented. The experiment results prove that this method can be adopted to describe the basic law rules in the expansion of the smoke cloud and to calculate the initial parameters of the smoke generator
- mechanics of explosion,
- theory model,
- radius of smoke cloud,
- smoke

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References(19)

References

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