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| THEORETICAL STUDY ON THE EFFECTS OF INITIAL PRESSURE ON METHANE EXPLOSION IN COAL MINE |
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Received:August 18, 2005
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| DOI： |
| KeyWord:Gas explosion; Initial pressure; Coal mine; Ignition |
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| Thermal Engineering Department, University of Science Technology Beijing, Beijing 100083, China |
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| Abstract: |
| Initial pressure of mixture gas greatly affects the methane gas ignition and explosion process.In this paper,the effects of initial pressure on the ignition temperature and the upper flammability limit are studied.The calculating equations of methane gas explosion parameters are established at the initial pressure p_0 based on the conservation of mass,momentum and energy.Parameters of methane gas explosion under different initial pressure are calculated and it's are analyzed. |
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