Results 11 to 20 of about 316,691 (205)

Study on the Thermophysical Properties and Influencing Factors of Regional Surface Shallow Rock and Soil in China

open access: yesFrontiers in Earth Science, 2022
Thermophysical properties of rock and soil are important parameters that affect the efficiency of shallow geothermal energy utilization. This paper analyzes the thermophysical parameters (specific heat capacity and thermal conductivity) and their ...
Xi Zhu   +8 more
doaj   +1 more source

Genetic Mechanism of Geothermal Anomaly in the Gaoyang Uplift of the Jizhong Depression

open access: yesFrontiers in Earth Science, 2022
The Gaoyang uplift is rich in geothermal resources, but there are few studies on the regional geothermal genetic mechanism. A large number of geothermal wells fail in position calculation because of a shortage of basis.
Qingzhuang Miao   +9 more
doaj   +1 more source

A 3D analysis of the occurrence of fractures in hot dry rock reservoirs based on the spatial distribution of natural fractures

open access: yesEnergy Geoscience, 2023
Hot dry rock (HDR) geothermal energy is a kind of widely distributed clean energy with huge reserves. However, its commercial development has been constrained by reservoir stimulation.
Siqing He   +6 more
doaj   +1 more source

Lithospheric thermo-rheological structure of the Huangshadong geothermal field in Huizhou of Guangdong and its heat-sources implications

open access: yesShuiwen dizhi gongcheng dizhi, 2023
The thermo-rheological structure of the lithosphere is an effective method to reveal the thermal state within the lithosphere. Studies of the thermo-rheological structure of the lithosphere in geothermal anomaly areas can effectively constrain the ...
Haonan GAN   +6 more
doaj   +1 more source

A study of the application of turbine coring drilling technology to hot dry rock drilling

open access: yesShuiwen dizhi gongcheng dizhi, 2021
Exploration of hot dry rock in China has just started. In order to accurately evaluate the amount of hot dry rock geothermal resources in China, high-quality hot dry rock drilling cores are needed.
Xianfeng TAN   +5 more
doaj   +1 more source

Effect of stimulation in hot dry rock reservoirs from carbon dioxide blasting-induced cracking

open access: yes地质科技通报, 2022
Carbon dioxide blasting provides a new technical idea and way to stimulate hot dry rock reservoirs. To explore the effect of carbon dioxide blasting-induced cracking on dry-hot rock reservoirs, a numerical simulation for the action range of carbon ...
Bin Dou   +5 more
doaj   +1 more source

Evaluation indexes and formation conditions of hot dry rock exploration

open access: yes地质科技通报, 2021
Hot Dry Rock has the characteristics of high utilization rate, pollution-free, huge reserves, wide distribution, sustained stability, good security, and so on.
Demin Liu   +7 more
doaj   +1 more source

Changes in the thermodynamic properties of alkaline granite after cyclic quenching following high temperature action

open access: yesInternational Journal of Mining Science and Technology, 2021
During the development of hot dry rock, the research on thermal fatigue damage caused by thermal shock of cold and heat cycles is the basis that ensures the long-term utilization of geothermal resources, but there are not enough relevant studies at ...
Jianjun Hu   +4 more
doaj   +1 more source

Predicting the Temperature Field of Hot Dry Rocks by the Seismic Inversion Method

open access: yesEnergies, 2023
Hot dry rocks, as clean and abundant sources of new energy, are crucial in the restructuring of energy. Predicting the temperature field of hot dry rocks is of great significance for trapping the target areas of hot dry rocks.
Hongjie Peng, Jingtao Zhao, Rui Cui
doaj   +1 more source

Solar dryer with thermal storage and biomass-backup heater [PDF]

open access: yes, 2007
An indirect type natural convection solar dryer with integrated collector-storage solar and biomass backup heaters has been designed, constructed and evaluated.
Madhlopa, A., Ngwalo, G.
core   +1 more source

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