Jeotermal Sahalarda Fayların Eğiminin Ve Permeabilite Kontrastının Sıcaklık Ve Akış Dağılımına Etkisinin Sayısal Modellenmesi

Translated title of the contribution: Numerical Simulation Of The Effects Of The Fault Dip Angle And Permeability Contrast On Heat Transfer And Fluid Flow In Geothermal Sites

Bahar Güvem, Deniz Orta, Yasin Üzüm, Doğa Düşünür-Doğan*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

The presence of faults/fractures in geothermal fields significantly affects fluid flow and temperature distribution. This effect is more dominant especially in areas with dense faulting. Previous studies discussed the effects of the faults and permeability contrast between faults and surrounding geological units on fluid flow. In order to investigate this phenomenon, numerical methods are unique since they include physical and hydraulic parameters of the medium. In this study, the temperature pattern and groundwater flow due to the dip angle of the fault and permeability contrast were explored by various 2-dimensional numerical test models. We used finite volume-based Computational Fluid Dynamic (CFD) Software, ANSYS Fluent, for numerical modeling. The results of the numerical simulations indicate that, although the dip angle of the fault can slightly modify the fluid vectors and temperature distribution, the main determining factor is the permeability contrast. This study can be used and expanded as a preliminary study to predict the possible fluid paths, in extensively faulted geothermal fields.

Translated title of the contributionNumerical Simulation Of The Effects Of The Fault Dip Angle And Permeability Contrast On Heat Transfer And Fluid Flow In Geothermal Sites
Original languageTurkish
Article number1228841
Pages (from-to)234-249
Number of pages16
JournalYerbilimleri/ Earth Sciences
Volume44
Issue number3
DOIs
Publication statusPublished - 29 Dec 2023

Bibliographical note

Publisher Copyright:
© 2023, Hacettepe Universitesi Yerbilmleri. All rights reserved.

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