Damage characteristics of pore and fracture structures of coal with liquid nitrogen freeze thaw

Liquid nitrogen (LN2) fracturing technology is a novel waterless fracturing technology that has significant potential for application in the development of coalbed methane. However, the changes in the microstructure after coal samples are treated with LN2 freeze thaw are poorly understood. Therefore...

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Veröffentlicht in:	Physics of fluids (1994) 2023-12, Vol.35 (12)
Hauptverfasser:	Chu, Yapei, Wang, Man, Wang, Yingwei, Song, Shuaiqi, Liu, Heng, Ouyang, Kai, Liu, Fei
Format:	Artikel
Sprache:	eng
Schlagworte:	Coal Coalbed methane Computed tomography Fractures Fracturing Freeze thaw cycles Freeze-thaw durability Frost damage Frost heaving Liquid nitrogen Pore size Porosity Thermal stress
Online-Zugang:	Volltext
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