Results 151 to 160 of about 531 (168)
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Advanced Materials Research, 2014
In order to solve the problem of low recovery rate of top-coal during fully-mechanized coal caving with large inclination angle, the optimization of fully-mechanized hard top-coal caving with large inclination angle is studied in this paper respectively in the two aspects of changing caving characteristics of top-coal and caving process.
Yong Zhang +4 more
openaire +1 more source
In order to solve the problem of low recovery rate of top-coal during fully-mechanized coal caving with large inclination angle, the optimization of fully-mechanized hard top-coal caving with large inclination angle is studied in this paper respectively in the two aspects of changing caving characteristics of top-coal and caving process.
Yong Zhang +4 more
openaire +1 more source
Advanced Materials Research, 2011
Because of its high output，much more dust is produced in fully-mechanized Longwall mining with top-coal caving (LMTC) mining faces than in conventional mechanized mining faces without top-coal caving. Now dust control in fully-mechanized LMTC mining faces has become a key technological problem needed to be solved.
Guo Dong Zhai +2 more
openaire +1 more source
Because of its high output，much more dust is produced in fully-mechanized Longwall mining with top-coal caving (LMTC) mining faces than in conventional mechanized mining faces without top-coal caving. Now dust control in fully-mechanized LMTC mining faces has become a key technological problem needed to be solved.
Guo Dong Zhai +2 more
openaire +1 more source
2010 4th International Conference on Bioinformatics and Biomedical Engineering, 2010
According to characteristics of fully mechanized top-coal caving face and related survey date, a mathematical model of dust movement was derived from gas-solid two-phase flow theory. Numerical simulation of the dust concentration was made with CFD software FLUENT. The result matches well with the related survey date and shows that most of the dust move
Wei Niu, Zhong'an Jiang
openaire +1 more source
According to characteristics of fully mechanized top-coal caving face and related survey date, a mathematical model of dust movement was derived from gas-solid two-phase flow theory. Numerical simulation of the dust concentration was made with CFD software FLUENT. The result matches well with the related survey date and shows that most of the dust move
Wei Niu, Zhong'an Jiang
openaire +1 more source
Dust suppression at the fully mechanized top-coal caving face
Jingang Guo, Xiexing Miaoopenaire +1 more source
Design of coal pillar with roadway driving along goaf in fully mechanized top-coal caving face
2010Jucai Chang, Guangxiang Xie, Ke Yang
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