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Experimental research into the effect of gas pressure, particle size and nozzle area on initial gas-release energy during gas desorption
International Journal of Mining Science and Technology
Coal and gas outburst is a violent disaster driven by released energy from gas desorption. The initial expansion energy of released gas (IEERG) is a new method to predict coal and gas outburst. In this paper, an instrument for IEERG measurement was developed. Compared with previous setups, the new one which is equipped with three convergent nozzles and quick-release mechanism gets improved in data acquisition and gas sealing and releasing performance. To comprehensively know the effect of gasdoi:10.1016/j.ijmst.2021.01.002 fatcat:odmduh7twvgptkreolfggdt66y