Abstract
The influence of parameter heterogeneity, such as permeability, porosity, and thermal conductivity, over results of heat transport simulation is studied. A set of synthetic aquifer simulations considering different degrees of heterogeneity in the hydraulic conductivity, porosity, and thermal conductivity fields were created by sequential Gaussian simulation techniques. Heterogeneity of the hydraulic conductivity showed to have a significant influence on the evaluation of a cold plume in the porous media. Higher variances in the hydraulic conductivity distributions cause an important rise in the variability of the simulated temperature fields and a considerable increase of uncertainty in the simulated heat distribution in the aquifer system. Results show that considering heterogeneity on the permeability fields induces more impact on the model results than considering heterogeneity of both porosity and thermal conductivity.
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Acknowledgments
This work has been partially funded by the Spanish Ministerio de Economía y Competitividad through research project ¿QUIÉN HA SIDO? – Ref: CGL2014-59841-P.
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Rodrigo-Ilarri, J., Reisinger, M., Gómez-Hernández, J.J. (2017). Influence of Heterogeneity on Heat Transport Simulations in Shallow Geothermal Systems. In: Gómez-Hernández, J., Rodrigo-Ilarri, J., Rodrigo-Clavero, M., Cassiraga, E., Vargas-Guzmán, J. (eds) Geostatistics Valencia 2016. Quantitative Geology and Geostatistics, vol 19. Springer, Cham. https://doi.org/10.1007/978-3-319-46819-8_59
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DOI: https://doi.org/10.1007/978-3-319-46819-8_59
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