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流体力学: オープンアクセス

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音量 9, 問題 7 (2022)

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Hydraulic Stimulation of Geothermal Reservoirs: Numerical Simulation of Induced Seismicity and Thermal Decline

Stern Lobarnia

Improved Geothermal Frameworks (EGS) can support economic improvement by giving an efficient power energy supply, despite the fact that they ordinarily require the pressure driven excitement of the repository to increment liquid stream and energy effectiveness because of the low stone penetrability at the necessary profundities. The infusion of liquids for water driven feeling suggests a few dangers, for example, incited seismicity. In this work, we perform mathematical recreations to assess the seismic gamble with regards to blame reactivation, quake size and burst proliferation. The computational model incorporates the completely coupled thermo-hydro-mechanical conditions and reproduces issues as frictional contacts represented by rate-and-state rubbing regulations. We apply our procedure to the Basel EGS project as a continuation of our past work, utilizing similar boundaries and conditions. Our outcomes show that porousness excitement isn't simply connected with prompted seismicity yet in addition can instigate a warm downfall of the repository throughout the long term and during the energy creation. The proposed procedure can be a helpful device to re-enact initiated seismic tremors and the drawn out activity of EGS.

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