期刊
JOURNAL OF HAZARDOUS MATERIALS
卷 299, 期 -, 页码 174-180出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.jhazmat.2015.06.027
关键词
Hydrogen; Deflagration; Flammable gas; Explosion suppression; Mesh aluminum alloy(MAA)
资金
- National Nature Science Foundation of China [51404029]
- Beijing Excellent Talent Training Funded Project in China [2013D005005000006]
- opening project of State Key Laboratory of Explosion Science and Technology (Beijing Institute of Technology) [KFJJ15-01 M]
- BIPT Breeding Project of Outstanding Academic Leaders [BIPT-BPOAL-2015]
- Beijing Undergraduates Research Training Program Project in China [2015J00075]
Mesh aluminum alloys (MAAs) have been widely used in military and civilian applications to suppress the explosion of flammable gases (fluids) inside containers. However, MAAs have not been tested in or applied to the hydrogen suppression-explosions. Hence, a typical MM product, i.e., one that has been in wide use, is selected as the experimental material in the present study. The characteristics of the deflagration of hydrogen-air mixture inside an MM-filled tube are investigated, and the effects of the filling density of the MM and the concentration of hydrogen in air on the deflagration are examined. The suppressing effect of the MM on the deflagration of hydrogen-air mixture is compared with its effect on the deflagration of a typical hydrocarbon fuel in air. The results show that not only is the existing MM product unable to effectively suppress the deflagration of hydrogen-air mixture, but it also increases the maximum explosion pressure, which is opposite to the satisfactory suppressing effect of the MM product on the deflagration of hydrocarbon fuels such as methane. The results of this study provide a scientific basis for the effective prevention of explosion accidents with hydrogen and for the development of explosion-suppression products. (C)) 2015 Elsevier B.V. All rights reserved.
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