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- W2366365965 abstract "The main objective of the present study was introduced water mist suppression technology to prevent and control gas burning which occurred during drilling at Wu20160 working-face in No.10 coal mine of Pingdingshan Ltd..Based on the self-developed ex- periment platform,a series of fire suppression tests to evaluate the performance of a water mist system were conducted.The detailed measurements of the spray characteristics,i.e., the Sauter Mean Diameter(SMD),the velocity and spray angle which are the main pa- rameters considered in the Study,were obtained by using LS-2000 Sizer.The amount of water consumed and the water flux density distribution over the cross section downstream the nozzle exit were measured by cup collector method.The operating pressure of the water mist nozzle is set to 0.5 MPa,the droplet SMD of 104 pm,the water flux density dis- tribution from 0.71 to 8.47 L/(m~2.min),the average velocity of 2.14 m/s.The experimental results show that the averaged time required for extinguishment is 3.14 s,and the corre- sponding amount of water used during fire test is about 0.11 kg.The gas fire suppression system reduces the temperature in combustion chamber of the experimental apparatus below the ignition point of the gas,which can effectively avoid the occurrence of the gas fire in coal mine." @default.
- W2366365965 created "2016-06-24" @default.
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- W2366365965 date "2006-01-01" @default.
- W2366365965 modified "2023-09-25" @default.
- W2366365965 title "Performance assessment of water mist applied in gas burning suppression in underground coal mine" @default.
- W2366365965 hasPublicationYear "2006" @default.
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