Numerical modeling of gas flow in coal pores for methane drainage

• Autorzy: Taheri A. , Sereshki F. , Ardejani F. D. , Mirzaghorbanali A.

Identyfikatory

DOI

10.1016/j.jsm.2016.10.001

• Języki publikacji: EN

Abstrakty

EN

The sudden explosion of methane during underground coal mining is a major dilemma. To mitigate its occurrence and reduce the extent of methane diffusion, gas drainage operations are carried out before mining. This paper investigates methane gas flow in a coal block in order to calculate the pressure of gas and its molecule velocity for methane gas drainage operation. A coal piece surrounded by cleats was used for geometrical modeling and numerical simulation. Movements of fluid and gas molecules in a porous mediumwere successfully simulated. The numerical solution is based on COMSOL Multiphysics software. The validity of the numerical simulation was assessed using an analytical model with satisfactory results.

Słowa kluczowe

EN

coal mining; methane drainage; gas flow; numerical simulation

PL

górnictwo węgla; odmetanowanie; przepływ gazu; symulacja numeryczna

• Wydawca: Elsevier ; Główny Instytut Górnictwa
• Czasopismo: Journal of Sustainable Mining
• Rocznik: 2016
• Tom: Vol. 15, iss. 3
• Strony: 95--99
• Opis fizyczny: Bibliogr. 18 poz.

Twórcy

autor

Taheri A.

• School of Mining, Petroleum & Geophysics Engineering, Shahrood University of Technology, Shahrood, Iran

autor

Sereshki F.

• School of Mining, Petroleum & Geophysics Engineering, Shahrood University of Technology, Shahrood, Iran

autor

Ardejani F. D.

• School of Mining, College of Engineering, University of Tehran, Iran

autor

Mirzaghorbanali A.

• School of Civil, Mining and Environmental Engineering, University of Wollongong, NSW, Australia

Bibliografia

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