THERMAL SCIENCE

International Scientific Journal

Huimin Wang

,

J. G. Wang

,

Xiaolin Wang

,

Fakai Dou

,

Bowen Hu

COUPLED HYDRO-THERMAL-MECHANICAL ANALYSIS FOR COLD CO2 INJECTION INTO A DEEP SALINE AQUIFER

ABSTRACT
This study investigated the thermal effects of thermal stress and Joule-Thomson cooling on CO2 migration in a deep saline aquifer through a hydro-thermal-mechanical model. Firstly, the temperature variation of injected CO2 was analyzed through the coupling of two-phase flow, deformation of porous medium and heat transfer with Joule-Thomson effect. Then, the effect of capillary entry pressure on CO2 plume was numerically investigated and compared. It is found that injection temperature and Joule-Thomson effect can significantly affect the distributions of CO2 mass and temperature, particularly in the upper zone near the injection well. The reduction of capillary entry pressure accelerates the upward migration of CO2 plume and increases the CO2 lateral migration distance.
KEYWORDS
CO2 storage, two-phase flow, Joule-Thomson effect, thermal stress, multi-physical process
PAPER SUBMITTED: 2018-05-11
PAPER REVISED: 2018-09-21
PAPER ACCEPTED: 2018-11-11
PUBLISHED ONLINE: 2019-04-14
DOI REFERENCE: https://doi.org/10.2298/TSCI180511127W
CITATION EXPORT: view in browser or download as text file
THERMAL SCIENCE YEAR 2019, VOLUME 23, ISSUE Supplement 3, PAGES [S917 - S925]
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Coupled hydro-thermal-mechanical analysis for cold CO2 injection into a deep saline aquifer

© 2024 Society of Thermal Engineers of Serbia. Published by the Vinča Institute of Nuclear Sciences, National Institute of the Republic of Serbia, Belgrade, Serbia. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution-NonCommercial-NoDerivs 4.0 International licence