Logistic regression analysis on minimum ignition energy of flake aluminum

Li lei; Liu Qing-ming; Gao Ke-ping

doi:10.11883/1001-1455(2014)02-0161-06

Volume 34 Issue 2

May 2014

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Li lei, Liu Qing-ming, Gao Ke-ping. Logistic regression analysis on minimum ignition energy of flake aluminum[J]. Explosion And Shock Waves, 2014, 34(2): 161-166. doi: 10.11883/1001-1455(2014)02-0161-06

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Logistic regression analysis on minimum ignition energy of flake aluminum

doi: 10.11883/1001-1455(2014)02-0161-06

State Key Laboratory of Explosion Science and Technology, Beijing Institute of Technology, Beijing100081, China

Funds: Supported bythe National Basic Program of China (973 Program) (2011CB706900)

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Corresponding author: Liu Qing-ming, qmliu@bit.edu.cn
Received Date: 2012-09-12
Rev Recd Date: 2012-12-24
Publish Date: 2014-03-25

Abstract

Abstract

The minimum ignition energies of flake aluminum dust-air mixtures with different mass concentrations were tested in a 1.28-L MIKE3tube.According to the logistic regression model based on statistical analysis, the minimum ignition energy of the dust cloud was presented by the probability of ignition success.And the ignition probability-energy curves of the flake aluminum dust with different mass concentrations were calculated by means of the SPSS statistical analysis software.The investigated results display that as the mass concentration of the aluminum dust in the mixture increases, the minimum ignition energy first decreases quickly and then keep in a certain energy range.And the explosion sensitivity of the flake aluminum is higher than ordinary spherical one.Compared with the results calculated by other standard methods, the minimum ignition energy presented by the probability of ignition success is more consistent with the engineering test.
- mechanics of explosion,
- minimum ignition energy,
- logistic regression,
- flake aluminum dust,
- dust explosion,
- MIKE3tube

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References(18)

References

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