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Journal of Zhejiang University SCIENCE B 2005 Vol.6 No.5 P.357~364

10.1631/jzus.2005.B0357


Experimental investigation of external explosion in the venting process


Author(s):  DU Zhi-min, JIN Xin-qiao, CUI Dong-ming, YE Jing-fang

Affiliation(s):  Department of Mechanical Engineering, Shanghai Jiaotong University, Shanghai 200030, China; more

Corresponding email(s):   duzhimin@sjtu.edu.cn

Key Words:  Venting process, CH4-air, External explosion, Correlated factors


DU Zhi-min, JIN Xin-qiao, CUI Dong-ming, YE Jing-fang. Experimental investigation of external explosion in the venting process[J]. Journal of Zhejiang University Science B, 2005, 6(9): 357~364.

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author="DU Zhi-min, JIN Xin-qiao, CUI Dong-ming, YE Jing-fang",
journal="Journal of Zhejiang University Science B",
volume="6",
number="5",
pages="357~364",
year="2005",
publisher="Zhejiang University Press & Springer",
doi="10.1631/jzus.2005.B0357"
}

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%@ 1673-1581
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TY - JOUR
T1 - Experimental investigation of external explosion in the venting process
A1 - DU Zhi-min
A1 - JIN Xin-qiao
A1 - CUI Dong-ming
A1 - YE Jing-fang
J0 - Journal of Zhejiang University Science B
VL - 6
IS - 5
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EP - 364
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Y1 - 2005
PB - Zhejiang University Press & Springer
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Abstract: 
Experimental investigations were conducted on the process of combustion and explosion vent in a 200 mm (diameter)×400 mm (length) vertical cylindrical vessel. When CH4-air mixture gases were used and the vent diameter was 55 mm, conditions of Φ (equivalent ratio)=0.8, Φ=1.0 and Φ=1.3 and two ignition positions (at the cylinder center and bottom) were selected. The venting processes and the correlated factors are discussed in this paper.

Darkslateblue:Affiliate; Royal Blue:Author; Turquoise:Article

Reference

[1] Carnasciali, F., Lee, J.H.S., Knystautas, R., Fineschi, F., 1991. Turbulent jet initiation of detonation. Combustion and Flame, 84:170-180.

[2] Catlin, C.A., 1991. Scale effects on the external combustion caused by venting of a confined explosion. Combustion and Flame, 83:399-411.

[3] Du, Z.M., 2003. Study of External Explosion Phenomenon During the Venting Process. Nanjing University of Science and Technology, Master’s Thesis (in Chinese).

[4] Harrison, A.J., Eyre, J.A., 1987. “External explosions” as a result of explosion venting. Combust. Sci. Technol., 52:91-106.

[5] Holbrow, P., Andrews, S., Lunn, G.A., 1996. Dust explosions in interconnected vented vessels. J. Loss Prev. Process Ind., 9:91-103.

[6] Hu, J., Pu, Y.K., 2001. Experimental investigations of pressure development during explosion vent from cylindrical vessels. Explosion and Shock Waves, 21(1):47-52.

[7] Razus, D.M., Krause, U., 2001. Comparison of empirical and semi-empirical calculation methods for venting of gas explosions. Fire Safety Journal, 36:1-23.

[8] Thomas, G.O., Jones, A., 2000. Some observations of the jet initiation of detonation. Combustion and Flame, 120:392-398.

[9] Wu, Y., Swithenbank, J., 1992. Experimental studies on gas-dynamics of venting explosions. Trans. IChemE, 70(Part A):200-203.

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