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[Main mechanical ventilator or mine ventilation fans in modern big coal mines are one of the most expensive operating expenditures. The initial investment, maintenance, and running costs of these mechanical ventilators are also very high. The electrical power consumed by main mechanical...
[Ventilation network analysis deals with complex working procedures to calculate the air currents flowing in the various meshes or branches of a mine network. It involves mathematical method of analyzing mine resistance to carry out ventilation planning, management, and control. Network analysis...
[The selection of any main mechanical ventilator for any underground mine is a strategic, tactical, scientific, economic, and complex process. It can only be started after determining the maximum and minimum values of air quantity requirement along with stage-wise mine resistance. It may also be...
[The average ventilation cost in respect of any underground coal mine contributes to more than one-third of the total operating cost. As ventilation cost is a very significant cost center in respect of any operating underground mine, it is pertinent to apply scientific methods to optimize the...
[In order to select an optimal ventilator to minimize the ventilation cost and overall cost of mining, a user-friendly program in “C” language has been developed. By running the program “FAN.EXE,” graphical output is produced showing the fan characteristics curve and mine resistance curve. The...
[To demonstrate the use of computer program, an Indian case study has been discussed. The particulars of all data files, output of the program along with discussion on results, have been analyzed. The program output has two components, i.e., text output and graphical output. The graphical output...
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