SEMI
发表于 2025-3-26 22:52:58
Method of Selection of Main Mechanical Ventilator,nly be started after determining the maximum and minimum values of air quantity requirement along with stage-wise mine resistance. It may also be generalized that mine resistance characteristics curve at various stages of mine life along with fan characteristics curve is required for optimal selecti
Mutter
发表于 2025-3-27 04:31:29
Possible Ways for Reducing the Ventilation Cost,st is a very significant cost center in respect of any operating underground mine, it is pertinent to apply scientific methods to optimize the ventilation cost to minimize the overall cost of underground mining. There are number of technical measures to be undertaken to reduce the ventilation cost o
委托
发表于 2025-3-27 05:28:53
Computer Program for Fan Selection, developed. By running the program “FAN.EXE,” graphical output is produced showing the fan characteristics curve and mine resistance curve. The operating points are also suggested by the program showing the blade angle, head and quantity delivered, efficiency, and total cost of ventilation for each
极小
发表于 2025-3-27 13:29:55
Application of the Computer Program: An Indian Case Study,th discussion on results, have been analyzed. The program output has two components, i.e., text output and graphical output. The graphical output shows the fan characteristics curve and mine resistance curve for all stages of mining. The text output shows the phase-wise display of all operating poin
anaerobic
发表于 2025-3-27 15:29:29
Ventilation Network Analysis,y and direction of air flow. The advances in computing techniques have made ventilation network analysis rapid, flexible, and easy to use so that various designs of experiments can be investigated and solved for selecting the optimal solution.
渐变
发表于 2025-3-27 18:53:37
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