-An one-dimensional non-stationary flow model for gases after an outburst in a roadway was derived on the basis of the theory of instantaneous flow and in accordance with the circumstance of mines with gas outburst hazard in southwest China, and the variation regularity of maximum shock force of burst gases on mine safety structures and its relation with the setting position of air doors were found out by means of characteristic lines. Also simulative calculation on reversible gas flow was conducted by usi...
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