NDLI: Numerical Simulation of Gas Migration Regularity under Different Periodic Step Distance in Goaf

Content Provider	IEEE Xplore Digital Library
Author	Zhang Yinghua Fu Mingming Gao Yukun Zhao Qian Huang Zhian Zhou Peiling
Copyright Year	2014
Description	Author affiliation: Key Lab. of the Minist. of Educ. About Metal Mine Efficient Min. & Safety, Univ. of Sci. & Technol. Beijing, Beijing, China (Zhang Yinghua; Fu Mingming; Gao Yukun; Zhao Qian; Huang Zhian; Zhou Peiling)
Abstract	This paper construct a profile model with length and height of 40 m and 9 m respectively based on the two most difficult problems which are mine pressure and gas control to simulate the migration law of gas within the period weighting step of 15m, 20m, 25m in the three areas (0-6m, 6-12m, and after the region of 12m). The results show that the gas migrates to the workplace closing the not caving roof or to the direction of goaf closing the roof stope, as well as bypassing upward migration triangle which rotate the free direction of plate along the negative plate with different period weighting step. Three periods of pressure have same influence on the trend of gas migration to the same zone, but the migration intensity is different. This research state that the velocity magnitude and direction of gas in the goaf is different and it also indicates the migration law of gas in the goaf.
Sponsorship	Shenzhen Res. Inst., Central South Univ.
Starting Page	392
Ending Page	395
File Size	542261
Page Count	4
File Format	PDF
e-ISBN	9781479966363
DOI	10.1109/ICICTA.2014.101
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2014-10-25
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	collision Atmospheric modeling to-and-fro movement Coal Fluid flow rotary caving migration Numerical simulation Rocks Numerical models Face
Content Type	Text
Resource Type	Article

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