Comprehensive Fractal Description of Porosity of Coal of Different Ranks
Joint Authors
Ren, Jiangang
Zhang, Guocheng
Song, Zhimin
Liu, Gaofeng
Li, Bing
Source
Issue
Vol. 2014, Issue 2014 (31 Dec. 2014), pp.1-7, 7 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2014-05-13
Country of Publication
Egypt
No. of Pages
7
Main Subjects
Medicine
Information Technology and Computer Science
Abstract EN
We selected, as the objects of our research, lignite from the Beizao Mine, gas coal from the Caiyuan Mine, coking coal from the Xiqu Mine, and anthracite from the Guhanshan Mine.
We used the mercury intrusion method and the low-temperature liquid nitrogen adsorption method to analyze the structure and shape of the coal pores and calculated the fractal dimensions of different aperture segments in the coal.
The experimental results show that the fractal dimension of the aperture segment of lignite, gas coal, and coking coal with an aperture of greater than or equal to 10 nm, as well as the fractal dimension of the aperture segment of anthracite with an aperture of greater than or equal to 100 nm, can be calculated using the mercury intrusion method; the fractal dimension of the coal pore, with an aperture range between 2.03 nm and 361.14 nm, can be calculated using the liquid nitrogen adsorption method, of which the fractal dimensions bounded by apertures of 10 nm and 100 nm are different.
Based on these findings, we defined and calculated the comprehensive fractal dimensions of the coal pores and achieved the unity of fractal dimensions for full apertures of coal pores, thereby facilitating, overall characterization for the heterogeneity of the coal pore structure.
American Psychological Association (APA)
Ren, Jiangang& Zhang, Guocheng& Song, Zhimin& Liu, Gaofeng& Li, Bing. 2014. Comprehensive Fractal Description of Porosity of Coal of Different Ranks. The Scientific World Journal،Vol. 2014, no. 2014, pp.1-7.
https://search.emarefa.net/detail/BIM-1049809
Modern Language Association (MLA)
Ren, Jiangang…[et al.]. Comprehensive Fractal Description of Porosity of Coal of Different Ranks. The Scientific World Journal No. 2014 (2014), pp.1-7.
https://search.emarefa.net/detail/BIM-1049809
American Medical Association (AMA)
Ren, Jiangang& Zhang, Guocheng& Song, Zhimin& Liu, Gaofeng& Li, Bing. Comprehensive Fractal Description of Porosity of Coal of Different Ranks. The Scientific World Journal. 2014. Vol. 2014, no. 2014, pp.1-7.
https://search.emarefa.net/detail/BIM-1049809
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-1049809