Abstract
The coupling mechanism of seepage and heat transfer in high-temperature rock fractures controls the heat extraction ability of enhanced geothermal systems. Utilising the lattice Boltzmann method, a numerical model is proposed to capture this coupling, accounting for fluid temperature's influence on kinematic viscosity and thermal diffusion coefficient in rough fractures. The model's validity is confirmed through a classic example. The effect of rough fracture surface on the coupling mechanism of seepage and heat transfer was analysed. The relationship between the roughness of the fracture surface and the performance indicators of geothermal extraction was discussed. The results show that neglecting the roughness of the fracture surface would lead to a severe underestimation of water temperatures within the fractures. As the roughness of the fracture surface intensified, its thermal breakthrough time gradually increased while the heat recovery rate and heat production power decreased.
Conference
Conference | 43rd International Conference on Ocean, Offshore & Arctic Engineering |
---|---|
Country/Territory | Singapore |
City | Singapore |
Period | 09/06/24 → 14/06/24 |
Other | Join your colleagues from industry, academia, and government at the 43rd International Conference on Ocean, Offshore and Arctic Engineering (OMAE® 2024) in Singapore from June 9 - 14, 2024. Regardless of your role, OMAE provides an opportunity to meet industry leaders, connect with peers, and advance your career. Recent OMAE participants cited the event's balance of high-quality technical sessions and opportunities to connect with globally recognized experts from industry and academia as a key reason why they plan to attend again. Most OMAE 2023 participants said the event was better or much better than comparable ocean, offshore, and arctic engineering events. For over four decades, the OMAE conference has been the premiere annual event to showcase leading edge innovations and technological achievements in offshore engineering. OMAE is where researchers present new advances in offshore and ship structures, reliable production methods, ocean engineering technology, and arctic sciences. And recently OMAE has expanded to highlight research on offshore wind and solar energy, digitalization in key offshore operations, incorporation of advanced analytical techniques, and successful implementation of new technologies in the field. |
Internet address |
|