Updating the Aerodynamic Resistance for Subsurface Ventilation
GeoScience Engineering(2019)
摘要
For the safety works in the mines, good ventilation is one of the main requirements. For miners’ performance, the subsurface ventilation creates healthier and more hygienic conditions. The mine ventilation has always belonged to the field of mining. Moreover, nowadays the mining operations progress to greater depths, shafts are deepened and the under-level mining space develops. This brings an increase in the temperature of rocks, mine air gets heated due to the technologies used and, thus, it is necessary to pay constant attention to mine ventilation. The knowledge of aerodynamic resistance becomes crucial for good ventilation and ventilation planning. The article describes updating and complementing the aerodynamic resistance of the powered coalface supports, dam and wind structures, and auxiliary ventilation components.
Keywords: subsurface ventilation, aerodynamic resistance, ventilation components, velocity
http://doi.org/10.35180/gse-2019-0004
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关键词
subsurface ventilation,aerodynamic resistance,ventilation components,velocity
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