Abstract:Water spraying is widely used in dust reduction of coal mines. A set of dust governance system urgently requires spray effects and its characteristics. A spray distribution characterization system is invented in this study. With CFD calculation results, the spray droplet size and concentration are measured by this characterization system at speed 0.5, 1, 1.5 and 2 m/s in a simulation tunnel. The results demonstrate that the droplet size reaches 5.416 μm through particle collision and evaporation. From 5 m to 3… Show more
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