Researching of aerodynamic indicators of non-hermetic solder in modeling of ventilation networks

Mining of ores containing non-ferrous metals in underground mines, deepening of mines and increasing the length of mine weldsalong with this, the amount of air required in the welding ventilation network increases accordingly. In the article, the direction and control of the air flow supplied to the non-hermetic mine solders in the ventilation networks, the amount of air in the non-hermetic mine solders depends on the length of the solders, the condition of the solders connected to each other. The issues of determining the values of external and internal losses and aerodynamic resistances and reducing aerodynamic resistances are considered separately. alsowith complex ventilation systems, hermetic of non-mining deposits. Research results of reducing air losses by using various means of hermetically sealing mine solders to increase ventilation efficiency given.