TY - JOUR SP - 613 TI - Capillary pressure and buoyancy effects in the CO2/brine flow system N1 - cited By 0; Conference of 5th International Conference on Energy and Sustainability, 2014 ; Conference Date: 16 December 2014 Through 18 December 2014; Conference Code:115959 AV - none EP - 624 PB - WITPress SN - 17433541 ID - scholars4573 KW - aquifer; brine; buoyancy; capillary pressure; carbon dioxide; density; human activity; permeability N2 - The annual emission of CO2 from human activities has exceeded the absorption abilities of nature. Carbon capture and geological storage is a solution that is able to combat the problem of excessive CO2 release to the atmosphere, which endangers the lives of humans and all living things. Saline aquifer, which has a high permeability and storage capacity, has become a subject of interest as a CO2 storage media. The flow of CO2 into the aquifer initially occupied by saline water is the subject of study in this paper. Particularly, the effects of two significant parameters â?? capillary pressure and gravitational force have been considered. To solve the two phase flow equation, we have implemented the currently developed mixed and hybrid finite element method. The results show that capillary pressure enhance the flow of CO2 whereas gravity force causes phase segregation with the less dense CO2 flowing upward due to buoyancy forces. © 2014 WIT Press. VL - 186 A1 - Pau, J.S. A1 - Pao, W.K.S. A1 - Yong, S.P. A1 - Memon, P.Q. JF - WIT Transactions on Ecology and the Environment UR - https://www.scopus.com/inward/record.uri?eid=2-s2.0-84926452711&doi=10.2495%2fESUS140541&partnerID=40&md5=5341f49bd27c25cb41ef6ed6554dc6a7 Y1 - 2014/// ER -