Results 61 to 70 of about 343 (176)

Multi-criteria decision-making method for evaluation of investment in enhanced geothermal systems projects

Energy and AI
Deep geothermal energy presents large untapped renewable energy potential could significantly contribute to global energy needs. However, developing geothermal projects involves uncertainties regarding adequate geothermal brine extraction and huge costs ...
Sara Raos, Josipa Hranić, Ivan Rajšl
doaj   +1 more source

Optimal scheduling of regional integrated energy systems with hot dry rock enhanced geothermal system based on information gap decision theory

Energy Science & Engineering
Hot dry rock (HDR) is regarded as a promising resource of geothermal energy and becomes an important field for future geothermal development due to its advantages of high temperature, wide distribution and huge reserves.
Qingfeng Liu, Mohamed A. Mohamed, Adrian Ilinca, Andres Annuk, Emad Abouel Nasr   +4 more
doaj   +1 more source

Effects of fracture evolution and non-Darcy flow on the thermal performance of enhanced geothermal system in 3D complex fractured rock

International Journal of Mining Science and Technology
In fractured geothermal reservoirs, the fracture networks and internal fluid flow behaviors can significantly impact the thermal performance. In this study, we proposed a non-Darcy rough  discrete fracture network (NR-DFN) model that can simultaneously ...
Yachen Xie, Jianxing Liao, Pengfei Zhao, Kaiwen Xia, Cunbao Li   +4 more
doaj   +1 more source

A scoping review of numerical modelling studies of geothermal reservoirs: Trends and opportunities post-COP25

International Journal of Renewable Energy Development
At the 28th Conference of Parties (COP28) a commitment to triple renewable energy capacity by 2030 was made. Currently at 16 GW, geothermal accounts for 0.5% of world-wide installed renewable electricity capacity.
Ella Maria Llanos, Daniela Blessent
doaj   +1 more source

A fracture flow permeability and stress dependency simulation applied to multi-reservoirs, multi-production scenarios analysis

Geothermal Energy, 2019
The use of the subsurface and the exploitation of subsurface resources require prior knowledge of fluid flow through fracture networks. For nuclear waste disposal, for the enhancement of hydrocarbon recovery from a field, or the development of an ...
Baptiste Lepillier, Alexandros Daniilidis, Nima Doonechaly Gholizadeh, Pierre-Olivier Bruna, Juliane Kummerow, David Bruhn   +5 more
doaj   +1 more source

Numerical investigations on the performance analysis of multiple fracturing horizontal wells in enhanced geothermal system

Geothermal Energy
The development of geothermal energy through enhanced geothermal systems (EGS) often encounters challenges such as fluid short-circuiting, water loss, and insufficient connectivity. This study presents a time-dependent seepage and heat exchange model for
Hongwei Wang, Yongbo Tie, Hejuan Liu, Linyou Zhang, Haidong Wu, Xiaohui Xiong, Xianpeng Jin, Donglin Liu, Dan Wang, Dongfang Chen, Lisha Hu   +10 more
doaj   +1 more source

Numerical Investigation on the Influence of Areal Flow on EGS Thermal Exploitation Based on the 3-D T-H Single Fracture Model

Energies, 2018
The research on the factors of heat recovery performance of Enhanced Geothermal Systems (EGS) is an important issue, especially in the well position optimization in EGS, because it can maximize the economic benefits of EGS. Based on the three-dimensional
Chi Yao, Yulong Shao, Jianhua Yang
doaj   +1 more source

A Selection Method for Power Generation Plants Used for Enhanced Geothermal Systems (EGS)

Energies, 2016
As a promising and advanced technology, enhanced geothermal systems (EGS) can be used to generate electricity using deep geothermal energy. In order to better utilize the EGS to produce electricity, power cycles’ selection maps are generated for people ...
Kaiyong Hu, Jialing Zhu, Wei Zhang, Xinli Lu   +3 more
doaj   +1 more source

Nitrous oxide as working fluid in enhanced geothermal systems (EGS)

, 2019
La energía geotérmica es una fuente de energía renovable que se puede encontrar en abundancia en nuestro planeta. Solo una pequeña fracción de esta se convierte actualmente en energía eléctrica, aunque en los últimos años la capacidad geotérmica instalada ha aumentado considerablemente en todo el mundo.
openaire   +3 more sources

Phase-Field Modeling of Thermal Fracturing Mechanisms in Reservoir Rock Under High-Temperature Conditions

Applied Sciences
Thermal stimulation represents an effective method for enhancing reservoir permeability, thereby improving geothermal energy recovery in Enhanced Geothermal Systems (EGS).
Guo Tang, Dianbin Guo, Wei Zhong, Li Du, Xiang Mao, Man Li   +5 more
doaj   +1 more source