NDLI: Numerical Simulation of "Three Zones" Partition of Spontaneous Combustion in Goaf under the Moving Coordinates

Content Provider	IEEE Xplore Digital Library
Author	Zhu Jianfang Ma Hui
Copyright Year	2011
Abstract	Coal spontaneous combustion is the main disaster of coal mine, furthermore most of them happen in the goaf. Distribution of "three zones" of spontaneous combustion reflects the state of oxidation temperature increasing in goaf, which is the base of spontaneous combustion prevention and control in goaf. This paper analyzed critical value of the "threezones" partition methods in goaf which are based on air leakage velocity and oxygen concentration, propose a new method of combining these two indexes. The authors simulate and calculate the distribution the velocity of air leakage and oxygen concentration in goaf of 2108 fully mechanized caving face of gucheng coal mine in Shandong by used the established model of spontaneous combustion in goaf under the moving coordinates, partition the "three zones". The results provide a theoretical basis for prediction and prevention of spontaneous combustion in goaf.
Starting Page	501
Ending Page	504
File Size	172848
Page Count	4
File Format	PDF
ISBN	9781612842783
DOI	10.1109/CDCIEM.2011.498
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-02-19
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Temperature measurement Heating Moving coordinates Coal Spontaneous combustion "three zones" Numerical simulation Combustion Velocity distribution Oxygen concentration distribution Mathematical model Face
Content Type	Text
Resource Type	Article

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