INFLUENCE OF HETEROGENEITY ON HEAT TRANSPORT SIMULATIONS IN SHALLOW GEOTHERMAL SYSTEMS

Autores UPV
Año
CONGRESO INFLUENCE OF HETEROGENEITY ON HEAT TRANSPORT SIMULATIONS IN SHALLOW GEOTHERMAL SYSTEMS

Abstract

The influence of parameter heterogeneity, such as permeability, porosity and thermal conductivity, over results of heat transport simulation studies. 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 increasing 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.