Efremov I. Phisicotechnical basies of combined mine degassingand coal mine methane utilization

Object of research - processes developments of gas, which flow through at below ground mining in the conditions of enhanceable gas-bearing of coal mines. The purpose of work - development of phisicotechnical basies of the complex degassing of coal-rock massif and effective use of marsh gas of coal mines by his conversion in thermal and electric energy for the buildup of economic efficiency and ecological guarded of production activity of coal mines. Method of researches: evaluation and generalization of the well-known theses, theoretical investigations with the use of simulation of gasdynamics sheths techniques, optimizations of gasdynamics haracteristics, mine experiments of non-stationary development of gas and dynamics of charts of ventilation, empirical-analytical methods of investigation of technological processes. Dependence of gaseous conductivity of breeds of upper boundary of coal geological horizon is set on nonuniform of main tensions stresses of the operating field of tensions. Conformities to the law of generation of concentration and extents of cutout of air-methane mixture blend are set at the different ways of degassing of coal-rock massif. A new decontamination measure - method of the passing ahead degassing of breeds of upper boundary of high-rate lavas and clause of his use is designed. Actual economic effect from application of developments on a mine the name of A.F. Zasyad'ko made 272,3 million Uah.