Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
Permanent URI for this collectionhttps://hdl.handle.net/11147/7148
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Article Citation - Scopus: 3Resurgent Dome and Super-Hot Enhanced Geothermal System: the Sahinkalesi Massif Within the Hasandag Stratovolcanic Province, Central Anatolia, Turkey(Elsevier B.V., 2024) Chandrasekharam,D.; Singh,M.; Baba,A.; Sass,I.The Sahinkalesi, a volcanic dome located NNE of Hasandağ, Türkiye exhibits anomalous heat flow value, geothermal gradient and the Curie point depth is located at very shallow depth in this region. Our investigation indicates presence of super-critical thermal regime (378°C) at about 4 km depth and the MT analysis indicate shallow magma chamber at about 5 km depth. The crust is relatively thin below this region with the low-velocity region located at depth of about 36 km. Thermo-Hydro-mechanical model investigation has been carried out using finite element discretization technique. For faulted zone reservoir models, 30 years of geothermal energy exploitation does not cause thermal breakthrough for mass flow rates up to 500 kg/s, however, the mean stress developed in the reservoir becomes much larger and may be unsustainable for the reservoir stability. To ensure the success of a fractured reservoir model, the use of multiple wellbores is recommended. In the case of a closed-loop geothermal system, the primary concern is the control of thermoelastic stress. This can be achieved either by increasing the wellbore depth while reducing the injection mass flow rate, or by extending the wellbore's horizontal component. The outlet temperature in both the cases maintained at 275°C. This is the first time a superhot EGS site has been identified in Türkiye. © 2024 The Author(s)Book Part Citation - Scopus: 1Red Sea Geothermal Belt Potential Clean Energy Source To Power Neom and Nearby Countries(CRC Press, 2024) Chandrasekhar,V.; Chandrasekharam,D.There is a great deal of clean geothermal energy available along the eastern flank of the Red Sea spreading axis, and along the western Arabian shield that can be utilized for generating clean water and electricity. It is estimated that these super-hot EGS (Enhanced Geothermal Systems) sources can generate 49 × 1011 kWh of electricity in a year, which is many times greater than the amount of energy that Saudi Arabia consumes annually (2.89 × 1011 kWh). In the coastal areas of the Red Sea, a similar amount of energy is also available along the western flanks of the ridge and on its eastern margin. A great advantage of harnessing the energy from the high heat flow ridge flanks is their proximity to the coastline and shallow depth from the sea surface. In addition to providing abundant potable water for the development of a sustainable green environment, this energy can power the entire western Arabian coast, as well as the ambitious “NEOM” development project of the Kingdom of Saudi Arabia. © 2024 selection and editorial matter, Najeeb M.A. Rasul and Ian C.F. Stewart; individual chapters, the contributors.