Laboratory study on the thermal performance of vertical U‐tube ground heat exchanger during short‐term borehole thermal energy storage (BTES) and heat extraction process
Sign Up to like & getrecommendations! Published in 2020 at "International Journal of Energy Research"
DOI: 10.1002/er.5897
Abstract: To explore the thermal performance of vertical U‐tube ground heat exchanger (GHE) during short‐term thermal energy storage (TES) and heat extraction process, a novel and well‐controlled sandbox with a plate heat exchanger at the bottom… read more here.
Keywords: extraction; heat extraction; short term; ghe ... See more keywords
Field scale numerical modeling of heat extraction in geothermal reservoir based on fracture network creation with supercritical CO2 as working fluid
Sign Up to like & getrecommendations! Published in 2020 at "Environmental Earth Sciences"
DOI: 10.1007/s12665-020-09001-7
Abstract: In geothermal reservoirs, the typically low natural permeability needs to be stimulated for an efficient heat extraction. In this work, the stimulation of heat extraction as well as the associated CO2 sequestration in geothermal reservoirs… read more here.
Keywords: co2; heat extraction; fracture network;
Numerical simulation of heat extraction performance in enhanced geothermal system with multilateral wells
Sign Up to like & getrecommendations! Published in 2018 at "Applied Energy"
DOI: 10.1016/j.apenergy.2018.02.172
Abstract: A novel enhanced geothermal system with multilateral wells is proposed to extract heat from hot dry rock in this study. For this EGS, one main wellbore is drilled to hot dry rock. Several injection and… read more here.
Keywords: heat; heat extraction; extraction performance; multilateral wells ... See more keywords
The simulation of thermo-hydro-chemical coupled heat extraction process in fractured geothermal reservoir
Sign Up to like & getrecommendations! Published in 2018 at "Applied Thermal Engineering"
DOI: 10.1016/j.applthermaleng.2018.08.015
Abstract: Abstract Chemical reaction effect is a critical issue in the heat extraction process of a fractured geothermal reservoir. In this study, the thermo-hydro-chemical coupled condition is simulated based on a unified pipe-network method (UPM) by… read more here.
Keywords: fracture; process fractured; extraction process; heat extraction ... See more keywords
Comparative investigation on the heat extraction performance of an enhanced geothermal system with N2O, CO2 and H2O as working fluids
Sign Up to like & getrecommendations! Published in 2021 at "Applied Thermal Engineering"
DOI: 10.1016/j.applthermaleng.2021.117594
Abstract: Abstract The properties of geothermal working fluids have great influence on the heat extraction performance of an enhanced geothermal system (EGS). In addition to H2O, N2O and CO2 have also been proposed as geothermal working… read more here.
Keywords: extraction; working fluids; h2o; co2 ... See more keywords
Geothermal reservoir modeling in a coupled thermo-hydro-mechanical-chemical approach: A review
Sign Up to like & getrecommendations! Published in 2018 at "Earth-Science Reviews"
DOI: 10.1016/j.earscirev.2018.09.004
Abstract: Abstract Heat extraction from the geothermal reservoir is sensitive to reservoir properties, operating parameters and coupling among various processes. Due to complex reservoir structure, heat extraction performances and flow field behaviour in geothermal reservoirs are… read more here.
Keywords: geothermal reservoir; reservoir; thermo hydro; reservoir modeling ... See more keywords
Side-by-side laboratory comparison of space heat extraction rates and thermal energy use for radiant and all-air systems
Sign Up to like & getrecommendations! Published in 2018 at "Energy and Buildings"
DOI: 10.1016/j.enbuild.2018.06.018
Abstract: Abstract Radiant cooling systems extract heat from buildings differently than all-air cooling systems. These differences impact the time and rate at which heat is removed from a space, as well as the total amount of… read more here.
Keywords: space; space heat; air; heat extraction ... See more keywords
Improving heat extraction performance of an enhanced geothermal system utilizing cryogenic fracturing
Sign Up to like & getrecommendations! Published in 2020 at "Geothermics"
DOI: 10.1016/j.geothermics.2020.101816
Abstract: Abstract Engineered fractures play an important role in improving heat extraction performance of Enhanced Geothermal Systems (EGS). It is possible to create these engineered fractures with cryogenic fracturing technology. Cryogenic liquid nitrogen could be used… read more here.
Keywords: extraction; heat extraction; extraction performance; cryogenic fracturing ... See more keywords
Numerical analysis of heat extraction efficiency in a multilateral-well enhanced geothermal system considering hydraulic fracture propagation and configuration
Sign Up to like & getrecommendations! Published in 2020 at "Geothermics"
DOI: 10.1016/j.geothermics.2020.101834
Abstract: Abstract Studying the effects of physical-based hydraulic fracture configurations on heat extraction performance in a multi-lateral enhanced geothermal system (EGS) can provide meaningful suggestions for in-situ operations. In this work, we proposed a 3D thermal-hydro-mechanical… read more here.
Keywords: heat extraction; hydraulic fracture; configuration; fracture ... See more keywords
Exergy analysis of heat extraction from hot dry rock by enclosed Water recycling in a horizontal Well
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DOI: 10.1016/j.geothermics.2020.101867
Abstract: Abstract In this paper, a novel mathematical model for the heat extraction process from hot dry rocks (HDRs) by enclosed water recycling in a horizontal well is established, on a basis of which a series… read more here.
Keywords: extraction; hdr; water; heat extraction ... See more keywords
Impact of fracture shear dilation on long-term heat extraction in Enhanced Geothermal Systems: Insights from a fully-coupled thermo-hydro-mechanical simulation
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DOI: 10.1016/j.geothermics.2021.102216
Abstract: Abstract Shear dilation of fractures has been recognized as a main mechanism of permeability enhancement by hydraulic stimulation in Enhanced Geothermal Systems (EGSs); however, the interactive role of fracture shear dilation and thermo-hydro-mechanical (THM) coupling… read more here.
Keywords: heat extraction; shear dilation; heat; fracture ... See more keywords