CFD Convective Flow Simulation of the Varying Properties of CO 2 ‐H 2 O Mixtures in Geothermal Systems

Numerical simulation of a geothermal reservoir, modelled as a bottom‐heated square box, filled with water‐CO 2 mixture is presented in this work. Furthermore, results for two limiting cases of a reservoir filled with either pure water or CO 2 are presented. Effects of different parameters including...

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Published in:TheScientificWorld 2015-01, Vol.2015 (1)
Main Authors: Yousefi, S., Atrens, A. D., Sauret, E., Dahari, M., Hooman, K.
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description Numerical simulation of a geothermal reservoir, modelled as a bottom‐heated square box, filled with water‐CO 2 mixture is presented in this work. Furthermore, results for two limiting cases of a reservoir filled with either pure water or CO 2 are presented. Effects of different parameters including CO 2 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 CO 2 concentration leads to better performance, that is, stronger convection and higher heat transfer rates. With a fixed CO 2 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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title CFD Convective Flow Simulation of the Varying Properties of CO 2 ‐H 2 O Mixtures in Geothermal Systems
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