Nonlinear Equations of Gas Seepage in Coal Considering Adsorption Effect

Article Preview

Abstract:

Previous studies showed that gas flowing in coal was nonlinear flow. The paper established the nonlinear equations of gas seepage in coal considering adsorption effect by experimentation with coal seepage properties testing device, which had acquired national invention patent. The effect mechanism adsorption to the gas nonlinear seepage in coal was expounded by analyzing the mechanical characteristics of gas nonlinear seepage. The equation established in the paper could be available for study on gas flow theory and the development of CBM.

You might also be interested in these eBooks

Info:

Periodical:

Advanced Materials Research (Volumes 1092-1093)

Pages:

1424-1429

Citation:

Online since:

March 2015

Authors:

Export:

Price:

Permissions CCC:

Permissions PLS:

Сopyright:

© 2015 Trans Tech Publications Ltd. All Rights Reserved

Share:

Citation:

* - Corresponding Author

[1] Qingming Long, Xusheng Zhao, Dongling Sun, et al. Experimental study on coal permeability by adsorption. Journal of China coal society, 33(2008), pp.1030-1034.

Google Scholar

[2] Zhigang Zhang. Test of methane seepage rule influenced by absorption and stress coupling acti-on. Coal mining technology, 16(2011), pp.15-18.

Google Scholar

[3] Qianting Hu, Guangcai Wen, Zhigang Zhang, et al. Method and apparatus for testing the amount of adsorption gas and permeability of coal and rock. China Patent, ZL201210122353.X. (2013).

Google Scholar

[4] Shining Zhou, Jizheng Sun. The theory and application of coal seam gas. Journal of China Coal Society, 2(1965), pp.24-37.

Google Scholar

[5] Xinrong Luo. Automation Measurement System to Permeability of Coal and Rock. Journal of China University of Mining & Technology, 27(1998), pp.361-365.

Google Scholar

[6] Guangzhi Yin, Changbao Jiang, Weizhong Wang, et al. Experimental study of influence of confi-ning pressure unloading speed on mechanical properties and gas permeability of containing-gas coal rock. Chinese Journal of Rock Mechanics and Engineering, 30(2011).

Google Scholar

[7] Changbao Jiang, Guangzhi Yin, Qixiang Huang, et al. Experiment of deformation property and gas permeation of containing-gas coal under confining pressure unloading process. Journal of China Coal Society, 36(2011) , pp.802-807.

DOI: 10.1016/j.proeng.2011.11.2314

Google Scholar

[8] Changbao Jiang, Gun Huang, Qixiang Huang, et al. Experiment on deformation failure and per-meability evolution law of gas-containing coal under multi-stage unloading confining pressure. Jour-nal of China Coal Society,36(2011), p.2039-(2042).

Google Scholar

[9] Jiang Xu, Shoujian Peng, Guangzhi Yin, et al . Development and application of triaxial servo-controlled seepage equipment for thermo-fluid-solid coupling of coal containing methane. Chinese journal of rock mechanics and engineering, 29(2010).

Google Scholar

[10] Guangzhi Yin, Guangzhi Li, Hongbao Zhao, et al . Experimental research on gas flow properties of coal specimens in complete stress-strain process. Chinese journal of rock mechanics and enginee-ring, 29(2010) , pp.170-175.

Google Scholar

[11] Xianmin Zhang, Dengke Tong. Nonlinear flow analysis of methane in low permeability coal seams . Engineering mechanics, 27(2010) , pp.219-223.

Google Scholar

[12] Yinger Deng, Heping Xie, Runqiu Huang, et al. Law of gas nonlinear flow in low permeability pore-fissure media. Journal of Sichuan University, 38(2006) , pp.1-4.

Google Scholar