Peide Sun
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ABSTRACT
The three-dimensional compression tests to coal specimen containing methane gas were carried out with various confining pressures and pore pressures in this study. The rule for three-dimensional compression deformation on the gas permeability of the coal specimens was systematically studied by the tests. The new empiric equations for the gas permeability of the coal specimens were formulated by the numerical fit of the test data and they were successfully used in the visual numerical simulations for coupled coal seam deformation and methane gas leak flow in parallel coal seams and the visual simulation result for the gas drainage from the coal mining goaf was close to reality.
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How to cite this article
Peide Sun, 2006. Testing Research on the Coal Specimen Permeability. Journal of Applied Sciences, 6: 2647-2651.
DOI: 10.3923/jas.2006.2647.2651
URL: https://scialert.net/abstract/?doi=jas.2006.2647.2651
DOI: 10.3923/jas.2006.2647.2651
URL: https://scialert.net/abstract/?doi=jas.2006.2647.2651
REFERENCES
- Sun, P.D., 1990. A new method for calculating the gas permeability of a coal seam. Int. J. Rock Mech. Min. Sci., 27: 325-327.
Direct Link - Sun, P.D., 1991. Distributions of gas pressure in radial flow fields. Min. Sci. Technol., 13: 409-415.
Direct Link - Sun, P.D., 2004. Numerical simulations for coupled rock deformation and gas leak flow in parallel coal seams. Geotech. Geol. Eng., 22: 1-17.
CrossRefDirect Link - Sun, P.D., 2004. A numerical approach for coupled gas leak flow and coal/rock deformation in parallel coal seams. Int. J. Rock Mech. Min. Sci., 41: 441-446.
CrossRefDirect Link - Sun, P.D. and H.G. Wan, 2004. A coupled model for solid deformation and gas leak flow. Int. J. Numerical Anal. Methods Geomechanics, 28: 1083-1104.
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