Impact Pressure Characteristics of Carbon Dioxide Phase Transition Fracturing Technique
Bingzhen Yu,
Shuaishuai Niu,
Shengtao Zhou
et al.
Abstract:Carbon dioxide phase transition fracturing (CDPTF) is widely regarded as a promising coal seam mining technique because it can effectively improve coal seam permeability and prevent gas outbursts. An impact pressure test system of CDPTF was developed, and the effects of different factors on impact pressure were investigated by combining CO 2 release experiments and smoothed particle hydrodynamics numerical simulation. In addition, based on the Peng−Robinson equation and the pipeline pressure drop formula, new … Show more
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