Results 11 to 20 of about 2,136,322 (250)

Caving‐enhanced geothermal system overwhelms fracturing‐ and pipe‐enhanced geothermal system in heat extraction

open access: yesDeep Underground Science and Engineering
AbstractFracturing a geothermal reservoir of hot dry rock (HDR) by the engineered stimulation is a prerequisite to efficient heat extraction of an enhanced geothermal system (EGS). However, the heat extraction performances of different EGSs employing distinct stimulation strategies remain unclear, resulting in the conundrum that which stimulation mode ...
Fangchao Kang   +4 more
openaire   +2 more sources

Heat Production Performance from an Enhanced Geothermal System (EGS) Using CO2 as the Working Fluid

open access: yesEnergies, 2023
CO2-based enhanced geothermal systems (CO2-EGS) are greatly attractive in geothermal energy production due to their high flow rates and the additional benefit of CO2 geological storage.
Wentao Zhao   +9 more
semanticscholar   +1 more source

Use of Analogue Exposures of Fractured Rock for Enhanced Geothermal Systems

open access: yesGeosciences, 2022
Field exposures are often used to provide useful information about sub-surface reservoirs. This paper discusses general lessons learnt about the use of deformed Devonian and Carboniferous meta-sedimentary rocks in the Harz Mountains, Germany, as ...
D. C. P. Peacock   +2 more
doaj   +1 more source

Lessons learned from hydrothermal to hot dry rock exploration and production

open access: yesEnergy Geoscience, 2023
In this paper, we investigate geothermal exploration and production in 189 hydrothermal projects and 42 hot dry rock projects around the world. The hydrothermal fields for a working hydrothermal system to generate electricity should have the elements of ...
Shu Jiang   +3 more
doaj   +1 more source

Phase-Field Modeling of Coupled Thermo-Hydromechanical Processes for Hydraulic Fracturing Analysis in Enhanced Geothermal Systems

open access: yesEnergies, 2023
Abundant geothermal energy can be harvested from deep, low-permeability rocks using an enhanced geothermal system (EGS) that relies on an artificially created permeable fracture network through cold water injection.
Vaya Putra, Kenji Furui
doaj   +1 more source

A novel application of the geothermal asphalt pavement: A feasible E-fuel source

open access: yesTransportation Engineering, 2023
In this study, a novel application of geothermal technology was proposed and evaluated as a potential sustainable clean energy source. The proposed system incorporates thermoelectric generators (TEG) to transform the extracted heat from the pavement into
M.E. Al-Atroush   +3 more
doaj   +1 more source

Deep Regional Fluid Pathways in an Extensional Setting: The Role of Transfer Zones in the Hot and Cold Degassing Areas of the Larderello Geothermal System (Northern Apennines, Italy)

open access: yesGeochemistry, Geophysics, Geosystems, 2023
High‐temperature geothermal areas are often characterized by widespread surficial manifestations, whose location is strictly controlled by sets of faults of regional relevance.
Marco Taussi   +9 more
doaj   +1 more source

Influence of local thermal non-equilibrium on enhanced geothermal system

open access: yesShenzhen Daxue xuebao. Ligong ban, 2022
Effective development of hot dry rock depends on complex fracture network formed by the enhanced geothermal system. Different scales of mass and heat transfer environment are formed between tight matrix and different fractures, which leads to the ...
CHENG Linsong   +4 more
doaj   +1 more source

Sustainable operation of geothermal power plants: why economics matters

open access: yesGeothermal Energy, 2021
This paper, based on a novel hybrid techno-economic model for geothermal power plants with endogenized plant lifetime, investigates the economic feasibility of a sustainable exploitation of geothermal resources for electricity generation.
Fynn V. Hackstein, Reinhard Madlener
doaj   +1 more source

Enhanced Geothermal Systems – Promises and Challenges

open access: yesInternational Journal of Renewable Energy Development, 2021
Geothermal energy plays a very important role in the energy basket of the world. However, understanding the geothermal hotspots and exploiting the same from deep reservoirs, by using advanced drilling technologies, is a key challenge. This study focuses on reservoirs at a depth greater than 3 km and temperatures more than 150°C.
Anirbid Sircar   +3 more
openaire   +2 more sources

Home - About - Disclaimer - Privacy