CFD convective flow simulation of the varying properties of CO2-H20 mixtures in geothermal systems
Yousefi, S., Atrens, A.D., Sauret, E., Dahari, M., & Hooman, K. (2015) CFD convective flow simulation of the varying properties of CO2-H20 mixtures in geothermal systems. Scientific World Journal, 2015(843068).
Numerical simulation of a geothermal reservoir, modelled as a bottom-heated square box, filled with water-CO2 mixture is presented in this work. Furthermore, results for two limiting cases of a reservoir filled with either pure water or CO2 are presented. Effects of different parameters including CO2 concentration as well as reservoir pressure and temperature on the overall performance of the system are investigated. It has been noted that, with a fixed reservoir pressure and temperature, any increase in CO2concentration leads to better performance, i.e. stronger convection and higher heat transfer rates. With a fixed CO2 concentration, however, the reservoir pressure and temperature can significantly affect the overall heat transfer and flow rate from the reservoir. Details of such variations are documented and discussed in the present paper.
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|Item Type:||Journal Article|
|Keywords:||geothermal, reservoir, CFD, CO2, water|
|Subjects:||Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > INTERDISCIPLINARY ENGINEERING (091500)|
|Divisions:||Current > Schools > School of Chemistry, Physics & Mechanical Engineering
Current > QUT Faculties and Divisions > Science & Engineering Faculty
|Copyright Owner:||Copyright 2014 The Author(s)|
|Deposited On:||05 Aug 2014 01:00|
|Last Modified:||26 Jun 2015 09:18|
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