Chemistry & Chemical Engineering |
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Experimental investigation of external explosion in the venting process |
DU Zhi-min, JIN Xin-qiao, CUI Dong-ming, YE Jing-fang |
Department of Mechanical Engineering, Shanghai Jiaotong University, Shanghai 200030, China; School of Powering Engineering, Nanjing University of Science and Technology, Nanjing 210094, China |
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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.
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Received: 21 December 2003
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