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Numerical study on the heat transfer performance of mine ice-storage cooling device
(2024-05-15)
The thermal performance of the ice-storage cooling device used in the underground mine refuge chamber is poor, which causes a waste of energy. Therefore, it is necessary to improve the heat transfer performance of ice ...
Heat transfer optimisation using novel biomorphic pin-fin heat sinks: An integrated approach via design for manufacturing, numerical simulation, and machine learning
(2024-05-01)
With the availability of advanced manufacturing techniques, non-conventional shapes and bio-inspired/biomorphic designs have shown to provide more efficient heat transfer. Consequently, this research investigates the heat ...
Synthesis and characterization of absorption-enhanced alumina solid particle materials for direct irradiation solar-thermal conversion
(2024-04-26)
Based on solar-thermal application more than 1000 °C, a novel combination of sol-gel synthesis and stepwise calcination to prepare metal-ion doped alumina composite particles as heat transfer media were proposed, enhancing ...
Investigation on temperature control performance of an underground confined space under ventilation
(2024-04-23)
The control of thermal environment in underground structures has always been a subject of great concern. In this paper, the influence of initial surrounding rock temperature (ISRT), ventilation temperature (VT) and ventilation ...
Numerical simulation-based pinhole leakage characteristics and hazard boundaries of buried natural gas risers
(2024-04)
Corrosion, ageing, and other failure factors pose safety hazards to underground natural gas pipelines. In actual rescue operations, in addition to paying attention to leakage accidents in horizontal pipelines, the severity ...
The promise of nanofluids: A bibliometric journey through advanced heat transfer fluids in heat exchanger tubes
(2024-03-07)
Thermal management is a critical challenge in advanced systems such as electric vehicles (EVs), electronic components, and photoelectric modules. Thermal alleviation is carried out through the cooling systems in which the ...
Optimization of airflow organization in fan-wall data center via baffles
(2024-02-16)
The utilization of natural fresh air for cooling server rooms in fan-wall data centers effectively reduces the operational duration of air conditioning, resulting in enhanced energy efficiency. Nonetheless, there are few ...
Performance design of high-temperature chloride salts as thermal energy storage material
(2024-01-11)
The chloride salts have great potential used as high-temperature thermal energy storage (TES) medium for the concentrated solar power system. In this study, LiCl, KCl and CaCl 2 were selected as energy storage materials ...
Performance Analysis of an Improved Temperature Control Scheme with Cold Stored in Surrounding Rock for Underground Refuge Chamber
(2024-01-05)
This article proposed an improved temperature control scheme that combines mine compressed air, ice storage and surrounding rock, for mine refuge chambers. The feasibility of cooling mine compressed air via an ice storage ...
Experimental investigation on thermal performance of underground refuge chamber under natural convection and ventilation
(2023-12-31)
Thermal performance of densely populated underground buildings is normally influenced by various factors, including the surrounding rock (SR), ventilation, and indoor heat sources. It is recognized that little experimental ...