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- W2372892824 abstract "In order to improve the shearer external spray system performance and environment of working face,a model of mechanized coal face was established by the union of Pro /E and GAMBIT,a standard k-e turbulence flow model was selected to build the external flow field of shearer,the average speed of ventilation in roadway was about 1. 8 m /s,it was comply with the provisions of the Safety Standard of Coal Mine. The numerical simulation of shearer external spray situation was established by the software FLUENT,the law of the influence about the effect of parameter variation to spray was obtained through the changes of nozzle caliber,spray pressure and diffusion angle. As the spray pressure increase,the diameter decreases and the spray concentration distribution is more uniform; Small-bore nozzle's concentration is higher,large-bore nozzle's concentration is uniform and trapping area is large; the fog particles velocity with small diffusion angle is opposite bigger,the spray concentration distribution with large diffusion angle is more uniform,but its penetration is poor. The result provides foundation for improving the efficiency of shearer spraying dust and reducing the coalface dust concentration." @default.
- W2372892824 created "2016-06-24" @default.
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- W2372892824 date "2014-01-01" @default.
- W2372892824 modified "2023-09-24" @default.
- W2372892824 title "Numerical simulation of shearer external spray system" @default.
- W2372892824 hasPublicationYear "2014" @default.
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