Search academic texts

Information × Registration Number 0212U002846, 0108U001528 , R & D reports Title Investigation of desorption process at violation of equilibrium of coal rock massive and establishment of effect of the abutment pressure on it popup.stage_title Head Mineev Sergey Pavlovich, Доктор технічних наук Registration Date 20-02-2012 Organization Institute of Geotechnical mechanics of NAS of Ukraine popup.description2 The methodology of calculation of desorpion of methane in the face working space area of coal layer, which, unlike the generally accepted calculation, allows to determine coefficients of solid body and Volmer diffusion of methane in the area bearing pressure, which is most fully characterizing the degree of the gas dynamic unloading of coal layer is developed. Calculation dependences, relating the coefficients of solid body and Volmer diffusion of methane in coal with the extent of ascending and handing down branch of bearing pressure, speed of pushing of backwall and diameter of micropores which enable to conduct the estimation of volumes and speed of selection of occlusioned methane at working off a coal layer, are first got. Quantitative conformities to the law of desorption of methane are first set in the area of supporting pressure at the change of its parameters taking into account the temperature of layer. Influence of depth of bedding of coal layer and speed of flowing of relaxation process is set in the microstructure of coal on development of desorbcii of methane in the face working space area of coal layer. The recommendations on desorption estimation of gas dynamic danger of conducting of mine works on coal layers depending on the change of parameters of bearing pressure in a coal array are developed. Product Description popup.authors Бистрицька Зоя Петрівна Корнілов Максим Генадійович Прусова Алла Андріївна Рудь Володимир Петрович Світличний В'ячеслав Миколайович popup.nrat_date 2020-04-02 Close