APPLICATION OF METHODS OF MINE AEROGASDYNAMICS FOR SIMULATION OF PROPAGATION OF BLAST WAVE IN JOINT JUNCTIONS OF MINE WORKINGS

This paper reviews the processes of blast wave propagation in joint junctions of capital and preparatory mine workings, the blast wave is formed in blast of air-coal mixture in the seams of horizontal and inclined occurrence. Methods of mine aerogasdynamics applicable to various geometrical combinations of joints, were used for simulation and calculations. At the initial stag of doing the research work, simplified variants of rectangular types of joints were selected for studying aerogasdynamic and thermophysical processes emerging in blast of aerosols of coal dust. The source data for building a model in ANSYS FLUENT software were adopted based on the experimental studies conducted by the authors on identifying the damaging factors of blast in the laboratory device for conducting blasts of air-coal mixture in confined space.