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Research on Calculation of Roadway Friction Resistance of Mine Ventilation

Author: ShangDaJun
Tutor: MaHeng
School: Liaoning Technical University
Course: Safety Technology and Engineering
Keywords: mine ventilation coefficient of frictional resistance numerical filtering statistical analysis fitting calculate
CLC: TD724
Type: Master's thesis
Year: 2011
Downloads: 101
Quote: 0
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Abstract


The roadway coefficient of frictional resistance as an important basis for the parameters in the mine ventilation theory, it plays an important role to the correlation calculation. Through Tiefa coal indudstry group and Yangquan coal indudstry group and other mine conducted ventilation resistance measurement, a large number of the data were obtained from coal mine. The roadway can be divided according to the types and shapes of the roadway by using mathematical analysis, preprocessing the data by combining with filtering analysis, and the roadway’s coefficient of frictional resistance can be calculated by using statistical analysis fitting. The friction resistance variation orderliness can be found in the different roadway. The empirical formula can be obtained that it was carried out tolerance analysis for improving the accuracy and reliability of the coefficient of frictional resistance. Therefore a brief calculation formula to the mine ventilation resistance and measuring method of the mine ventilation resistance measurement can be advanced. It has important reference value to the mine ventilation theory; It can save a lot of manpower and material resources for the determianation of mine ventilation; It has practical significance for safety management of mine ventilation.

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CLC: > Industrial Technology > Mining Engineering > Mine safety and labor protection > Mine ventilation > Ventilation system, ventilation and equipment
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