Experimental study on hydrogen constant volume combustion

Bao Xiu-chao; Liu Fu-shui; Chen Chao

doi:10.11883/1001-1455(2014)05-0580-06

Volume 34 Issue 5

Dec. 2014

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Xiao Qiang-qiang, Huang Zheng-xiang, Zu Xu-dong. Penetration of jacketed jet into concrete[J]. Explosion And Shock Waves, 2014, 34(4): 457-463. doi: 10.11883/1001-1455(2014)04-0457-07

Citation:

Bao Xiu-chao, Liu Fu-shui, Chen Chao. Experimental study on hydrogen constant volume combustion[J]. Explosion And Shock Waves, 2014, 34(5): 580-585. doi: 10.11883/1001-1455(2014)05-0580-06

Xiao Qiang-qiang, Huang Zheng-xiang, Zu Xu-dong. Penetration of jacketed jet into concrete[J]. Explosion And Shock Waves, 2014, 34(4): 457-463. doi: 10.11883/1001-1455(2014)04-0457-07

Citation:

Bao Xiu-chao, Liu Fu-shui, Chen Chao. Experimental study on hydrogen constant volume combustion[J]. Explosion And Shock Waves, 2014, 34(5): 580-585. doi: 10.11883/1001-1455(2014)05-0580-06

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Experimental study on hydrogen constant volume combustion

doi: 10.11883/1001-1455(2014)05-0580-06

1.
School of Transportation and Automotive Engineering, Xihua University, Chengdu 610039, Sichuan, China
2.
School of Mechanical and Vehicular Engineering, Beijing Institute of Technology, Beijing 100081, China

Received Date: 2013-04-17
Rev Recd Date: 2013-09-23
Publish Date: 2014-09-25

Abstract

Abstract

Hydrogen constant volume combustion was investigated by using a constant volume combustion bomb and a high－speed data acquisition system.The pressure change in the hydrogen constant volume combustion bomb was summarized and the rules of the combustion－explosion pressure and the explosion constant were generalized.The combustion pressure changing in the constant volume bomb with central ignition can be described in the following process.The combustion which was interfered by ignition was at a constant pressure, the pressure increased slowly at first, and then increased rapidly during the combustion.There would be a pressure oscillation in the later half stage of the combustion.If it was not under the extreme conditions, the explosion peak pressure increased firstly and then decreased with the fuel equivalence ratio increasing.There was almost a linear relation between the initial pressure and the peak pressure.The explosion pressure and peak pressure decreased with the initial temperature increasing.The explosion constant increased firstly and then decreased with the fuel equivalence ratio increasing, too.When the fuel equivalence ratio was lower than 4, the explosion constant increased with the initial pressure increasing, or vice versa.When the fuel equivalence ratio was lower than 2.5, the explosion constant decreased with the temperature increasing.And when the fuel equivalence ratio was higher than 2.5, it was just the opposite.
- mechanics of explosion,
- explosion constant,
- constant volume combustion,
- hydrogen,
- explosion pressure

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References(9)

References

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