A Pore-Scale Simulation on Thermal-Hydromechanical Coupling Mechanism of Rock

A Pore-Scale Simulation on Thermal-Hydromechanical Coupling Mechanism of Rock

Thermal-hydromechanical (THM) coupling process is a key issue in geotechnical engineering emphasized by many scholars. Most existing studies are conducted at macroscale or mesoscale. This paper presents a pore-scale THM coupling study of the immiscible two-phase flow in the perfect-plastic rock. Ass...

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Main Authors: Rui Song, Mengmeng Cui, Jianjun Liu, P. G. Ranjith, Yun Lei
Format: Article
Language:English
Published: Hindawi-Wiley 2017-01-01
Series:Geofluids
Online Access:http://dx.doi.org/10.1155/2017/7510527
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spelling doaj-c34b3dbcbbf241469b4ae2d821c64cf22020-11-25T00:44:51ZengHindawi-WileyGeofluids1468-81151468-81232017-01-01201710.1155/2017/75105277510527A Pore-Scale Simulation on Thermal-Hydromechanical Coupling Mechanism of RockRui Song0Mengmeng Cui1Jianjun Liu2P. G. Ranjith3Yun Lei4School of Geoscience and Technology, Southwest Petroleum University, Chengdu 610500, ChinaSchool of Petroleum and Natural Gas Engineering, Southwest Petroleum University, Chengdu 610500, ChinaSchool of Geoscience and Technology, Southwest Petroleum University, Chengdu 610500, ChinaDeep Earth Energy Research Laboratory, Department of Civil Engineering, Monash University, Melbourne, VIC 3800, AustraliaSchool of Geoscience and Technology, Southwest Petroleum University, Chengdu 610500, ChinaThermal-hydromechanical (THM) coupling process is a key issue in geotechnical engineering emphasized by many scholars. Most existing studies are conducted at macroscale or mesoscale. This paper presents a pore-scale THM coupling study of the immiscible two-phase flow in the perfect-plastic rock. Assembled rock matrix and pore space models are reconstructed using micro-CT image. The rock deformation and fluid flow are simulated using ANSYS and CFX software, respectively, in which process the coupled physical parameters will be exchanged by ANSYS multiphysics platform at the end of each iteration. Effects of stress and temperature on the rock porosity, permeability, microstructure, and the displacing mechanism of water flooding process are analyzed and revealed.http://dx.doi.org/10.1155/2017/7510527
collection DOAJ
language English
format Article
sources DOAJ
author Rui Song
Mengmeng Cui
Jianjun Liu
P. G. Ranjith
Yun Lei
spellingShingle Rui Song
Mengmeng Cui
Jianjun Liu
P. G. Ranjith
Yun Lei
A Pore-Scale Simulation on Thermal-Hydromechanical Coupling Mechanism of Rock
Geofluids
author_facet Rui Song
Mengmeng Cui
Jianjun Liu
P. G. Ranjith
Yun Lei
author_sort Rui Song
title A Pore-Scale Simulation on Thermal-Hydromechanical Coupling Mechanism of Rock
title_short A Pore-Scale Simulation on Thermal-Hydromechanical Coupling Mechanism of Rock
title_full A Pore-Scale Simulation on Thermal-Hydromechanical Coupling Mechanism of Rock
title_fullStr A Pore-Scale Simulation on Thermal-Hydromechanical Coupling Mechanism of Rock
title_full_unstemmed A Pore-Scale Simulation on Thermal-Hydromechanical Coupling Mechanism of Rock
title_sort pore-scale simulation on thermal-hydromechanical coupling mechanism of rock
publisher Hindawi-Wiley
series Geofluids
issn 1468-8115
1468-8123
publishDate 2017-01-01
description Thermal-hydromechanical (THM) coupling process is a key issue in geotechnical engineering emphasized by many scholars. Most existing studies are conducted at macroscale or mesoscale. This paper presents a pore-scale THM coupling study of the immiscible two-phase flow in the perfect-plastic rock. Assembled rock matrix and pore space models are reconstructed using micro-CT image. The rock deformation and fluid flow are simulated using ANSYS and CFX software, respectively, in which process the coupled physical parameters will be exchanged by ANSYS multiphysics platform at the end of each iteration. Effects of stress and temperature on the rock porosity, permeability, microstructure, and the displacing mechanism of water flooding process are analyzed and revealed.
url http://dx.doi.org/10.1155/2017/7510527
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