[HTML][HTML] Experimental and numerical investigation of thermally induced convection along a high-temperature borehole heat exchanger

VDN Ngninjio, C Beyer, B Wang, S Bauer - Applied Thermal Engineering, 2024 - Elsevier
Thermally induced convection in the vicinity of borehole heat exchangers (BHE) in porous
media affects the heat transfer behaviour between the BHE and the surrounding ground and …

Interpretation of TRT data in the presence of natural convection and groundwater flow in saturated ground

AK Tiwari, P Basu - Computers and Geotechnics, 2021 - Elsevier
Ground thermal properties play important roles in the design of geothermal heat exchangers
(GHEs). Constant ground thermal properties, as often considered in analysis and design of …

Thermal interaction between a group of geothermal piles in the presence of natural convection

AK Tiwari, P Basu - Journal of Building Engineering, 2024 - Elsevier
Adequate estimation of thermal efficiency for a group of simultaneously acting geothermal
piles is an important factor that may affect sustainability and technical feasibility of pile …

Convective transport from geothermal borehole heat exchangers embedded in a fluid-saturated porous medium

GR Shanker, KO Homan - Renewable Energy, 2022 - Elsevier
Multi-dimensional natural convection and mixed convection have been studied numerically
for the vertical borehole, a heated cylinder characterized by length L b and diameter D, of a …

[HTML][HTML] A model for non-isothermal flow and mineral precipitation and dissolution in a thin strip

C Bringedal, I Berre, IS Pop, FA Radu - Journal of Computational and …, 2015 - Elsevier
Motivated by porosity changes due to chemical reactions caused by injection of cold water in
a geothermal reservoir, we propose a two-dimensional pore scale model of a thin strip. The …

The effects of fractures on porous flow and heat transfer in a reservoir of a U-shaped closed geothermal system

L Zhang, G Luo, S Wang - Applied Thermal Engineering, 2024 - Elsevier
In geothermal reservoirs, fractures, serving as preferential channels for heat transfer fluid
circulation, can cause complicated migration patterns and heat transfer characteristics of the …

Rayleigh-Bènard Convection in a Gas-Saturated Porous Medium at Low Darcy Numbers

V Srinivasan - ASME Journal of Heat and Mass …, 2024 - asmedigitalcollection.asme.org
Natural convection heat transfer is measured in a horizontal enclosure filled with a gas-
saturated porous medium composed of glass spheres. The height-to-pore scale ratio (H/d) is …

[HTML][HTML] 封闭地热系统水平井采热储层内渗流与传热的有限元模拟

张连平, 王世民 - 地球物理学报, 2023 - dzkx.org
地热能是储量巨大, 分布广泛且供给稳定的清洁能源. 地热发电对经济发展和环境保护都具有
重要意义. 然而, 现有地热电站广泛采用的开放性采热模式易导致发电设备结垢与腐蚀 …

[HTML][HTML] Finite-element modeling of porous flow and heat transfer in a reservoir with heat extraction by a horizontal well of a closed geothermal system

Z LianPing, W ShiMin - Chinese Journal of Geophysics, 2023 - dzkx.org
Geothermal energy is a clean energy source with huge reserves, wide distribution and
stable supply. Geothermal power generation is of significant importance in economic …

Effects of Solid-to-Fluid Conductivity Ratio on Thermal Convection in Fluid-Saturated Porous Media at Low Darcy Number

KC Bavandla, V Srinivasan - ASME Journal of …, 2025 - asmedigitalcollection.asme.org
This study presents experimental data on the effects of the solid-to-fluid thermal conductivity
ratio on natural convective heat transfer in a fluid-saturated porous medium heated from …