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Journal of Mining Sciences

2015 year, number 2

Evaluation of Natural Draft and Its Direction in a Mine at the Preset Confidence Coefficient

Perm National Research Polytechnic University, ul. Komsomol’skii prospect 29, Perm, 614990 Russia
Keywords: natural mine draft, estimation by means of confidence regions, thermal drop of ventilation pressure, mathematical statistics, main mine fan


The article describes evaluation of natural draft (thermal drop of ventilation pressure) and determination of its direction in a mine. The measurements taken on main mine fan are processed based on the methods of mathematical statistics. The results allow evaluating the natural mine draft at the preset confidence coefficient, and the offered algorithm enables on-line control of mine ventilation.