Thermal energy storage
Thermal energy storage ( TES) is the storage of thermal energy for later reuse. Employing widely different technologies, it allows surplus thermal energy to be stored for hours, days, or months. Scale both of storage and use vary from small to large – from individual processes to district, town, or region.
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Server processor heat sink analysis and modifications to improve …
But even so, air-cooling systems with heat sinks and fans continue to be the prioritized option for server cooling due to issues with cost and reliability. Researchers studied PFHS, plate and pin fin combinations, interleaved, parallelogram heat sinks, cross-cut heat sinks, etc. to improve the performance.
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Cooling performance investigation of PCM integrated into heat sink …
Melting time is lowered by 44 % for heat-sinks without fins and 30 % for heat-sinks with fins when the angle of inclination is reduced from 90 to 0, according to the findings. The aim of the experimental and numerical work is to investigate the work of PCM with heat-sink with various powers, several air flow velocities and two thicknesses of …
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Introducing a novel heat sink comprising PCM and air
a hybrid heat sink, air and PCM potentials are used simultaneously for electronic device cooling. ... (22.7%). Unlike the latent heat storage, sensible energy storage leads to the temperature rise, so the less sensible energy storage, the …
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Enhanced energy management performances of passive cooling, heat storage …
In this study, we demonstrate a thermal energy management structure that combines a TEG and PCM-based copper foam for passive cooling, heat storage and electrical energy harvest. The effects of adding PCM and metal foam, as well as phase-change temperature of paraffin and porosity of metal foam on the phase-change thermal …
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Modular Heat Sinks for Enhanced Thermal Management of Electronics …
Abstract. Power electronics are vital for the generation, conversion, transmission, and distribution of electrical energy. Improving the efficiency, power density, and reliability of power electronics is an important challenge that can be addressed with electrothermal codesign and optimization. Current thermal management approaches …
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An experimental study for thermal management using hybrid heat sinks based on organic phase change material, copper foam and heat …
In this study, copper foam and heat pipe (HP) are integrated with Phase Change Material (PCM RT-64) to analyze the cooling performance of the heat sink. Different heat sink configurations are investigated at two different heat fluxes 2 & 3 kW/m2 for the same charging and discharging time of 6000 s to determine the best cooling …
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A review of the state-of-the-art in electronic cooling
The spray cooling method atomizes droplets through high-pressure pumps and nozzles, and covers the entire heating surface (insulating surface) of an electronic device. Spray cooling has the advantage of high heat transfer capability, excellent temperature uniformity, and sizeable cooling area.
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Surrogate-Based Forced Air Cooling Design for Energy Storage …
In this paper, aluminum extruded heat sink and forced air cooling are used in an IGBT based energy storage converter where IGBT junction temperature are …
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Effects of different water-cooled heat sinks on the cooling system …
Cooling water operation parameters under different heat sink were optimized. • Fitting correlation on affordable extreme atmospheric temperature is given. • The B-type system can achieve significant energy savings compared to the A-type system. • …
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Study and optimization on heat storage and release …
In this study, a cascaded sensible-latent heat composite energy storage heat sink was constructed, and its thermal performance was experimentally tested and …
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A comprehensive review on current advances of thermal energy storage …
Accurate and precise estimation of waste heat recovery can be estimated by coupling a latent heat thermal energy storage system (LHTES) to waste heat releasing system. The amount of waste heat recovered can be achieved 45% to 85% depending on the thermal energy storage material properties, size of processing industry, …
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Liquid Cooling vs. Air Cooling: Which Heat Sink Is Right for You?
For more information and to explore cooling solutions tailored to your specific requirements, don''t hesitate to reach out to reputable Heat Sink Manufacturers like KenFa Tech Industrial Limited.
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Design of additively manufactured hybrid PCM-air heat sink with …
The heat transfer performance of three design schemes including air-cooled heat sink (AHS), HPHS with a single channel, and HPHS with a two-stage channel is studied based on equal pump power. The results show that the presence of PCM significantly reduces the maximum temperature and improves the temperature uniformity …
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Energy Efficient Heat Sink Design: Natural Versus Forced …
This paper investigates the potential of free convection cooled heat sinks and compares their performance to forced convection cooled heat sinks on the basis of …
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Modular Heat Sinks for Enhanced Thermal Management of …
The use of smaller modular heat sinks (MHSs) strategically placed on high power dissipation areas of the PCB enables elimination of electrical potential difference, …
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Experimental investigation on the thermal performance of a heat sink …
The heat sink without PCM reaches a maximum temperature of 102.3 °C in 212 s, while the heat sink with PCM reaches a maximum temperature of 79 °C in 300 s. Because PCM melts and absorbs more heat energy as latent heat, the base temperature of the heat sink is reduced for PCM loaded heat sinks.
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Phase Change Material Heat Sink for Transient Cooling of High-Power …
The heat sink was cooled by forced convection with ambient air (22°C) delivered by a fan with a maximum flow rate of 1.89×10 −4 m 3 /s and velocity of 0.84 m/s. A voltage source (E3620A, Agilent) provided a gate voltage of 5 V for top-cooled GaN device and 6 V for bottom-cooled GaN device.
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Least-energy optimization of air-cooled heat sinks for sustainability-theory, geometry and material selection …
Holahan et al. [26] discretized the plate fin into a large number of ''patches,'' and the local heat transfer coefficient was determined from the straight duct flow correlation for developing thermal and hydrodynamic laminar flow between parallel plates with uniform wall temperature, provided in Kakac et al. [27] and given by, (14) h fin, local = k air 2 s …
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Zero-cooling energy thermoelectric system by phase change material heat sink …
(6), using the metal foam enhances the heat transfer rate in the PCM box and make more effectual heat sink by improving thermal conductivity and rate of thermal storage in the energy storage box. The PCM melting process was completed in the system with PCM-Cu heat sink even under the low heat load before the TEG reached the critical …
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Thermal management and multi-objective optimization of an air …
This study proposes a novel heat sink for insulated-gate bipolar transistor modules utilizing flat miniature-heat-pipe arrays. The influence of heat load, cooled-air …
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Cooling potential for hot climates by utilizing thermal …
Compressed air energy storage (CAES) system stores potential energy in the form of pressurized air. The system is simple as it consists of air …
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Improving Heat Transfer of Radiative Heat Sink-Integrated Electrocaloric Cooling
By incorporating the thermally conductive radiative cooler (TCRC) as a heat sink on the EC cooling device, the heat sink maintains its temperature below the ambient air temperature even under the large heat flux introduced by the EC effect. The TCRC, composed of boron nitride sheet (BNNS) and poly (vinylidene fluoride-co-hexafluoropropylene ...
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Heat transfer characteristics of thermal energy storage system using single and multi-phase cooled heat sinks…
Geometry and temperature distribution of studied pin-fin HS in [[70], [71] – 72] while (a) original heat sink and (b) Yang and Peng''s heat sink, (c) optimal heat sink. Chen et al. [73] investigated a numerical study with the aim of a concept pin-fin heat sink function optimization under uncertain environment using method of cell evolution.
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Passive solar module cooling tech based on PCM, heat sink fins, …
They have often been used at the research level for PV module cooling and the storage of heat. "The drawback of the PV-PCM system is mitigated with the use of heat sink fins, which extract the ...
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VWHPXVLQJDQ …
limits. These include multi-cooling techniques to reduce the heat energy and surface panel temperature [1]. Air-cooling and water-cooling heat sinks made from aluminum have been used experimentally. An increase in output power of 20.96 watts, and an
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Design of additively manufactured hybrid PCM-air heat sink with …
During the cooling period, the PCM with a high temperature can be considered a heat source, where the heat is removed by the cooling air through forced convective. The temperature contour and the solid–liquid phase distribution of PCM at 400 s are obtained to investigate the heat transfer mechanism for HPHS with a single channel …
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Numerical study on 2-stage phase change heat sink for cooling of …
The temperature controlling ability of 2-stage heat sink is better than 1-stage. Photovoltaic (PV) devices play an increasingly important role in solving the energy crisis. However, the conversion efficiency of the PV panel is small. Cooling of PV panels using phase change devices is an effective way to improve the working performance of …
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Design and the transient thermal control performance analysis of a novel PCM-based active-passive cooling heat sink …
Section snippets Physical model The computational domain of the proposed novel active cooling PCM-based heat sink is shown in Fig. 1(a), which is designed to satisfy the cooling demands for greater channel capacity and higher data rates of …
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A review of air-cooling battery thermal management systems for electric …
The conventional air cooling solutions to electronic thermal management include [145]: heat sink with convective and radiative heat transfer structure, thermally conductive material development, heat pipes structure, an improvement, airflow optimization, and
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Experimental and numerical investigation of solid-solid phase change material assisted heat sink with integrated heat pipe for electronic cooling ...
Investigation of PCM-assisted heat sink and heat pipe is done to analyse the effects of forced air cooling to boost the heating/cooling cycle frequency at all the power levels. In Fig. 13, the charging period with and without fan were studied for power levels of 9, 11 and 13 W.
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Hydrothermal Performance Maximisation and Entropy Generation Minimisation of Different Perforated Pinned Heat Sink Designs for Electronic Cooling ...
Abstract. To quantify the benefits of reducing entropy production and improving hydrothermal performance with varied thermal air characteristics through different perforated heat sinks, a numerical study was conducted. Various numbers of circular perforations are studied from 0 perforations to 5 perforations. In addition, perforation …
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Efficiency Improvement of Photovoltaic Panels by Using Air Cooled Heat Sinks …
Numerical study of air cooling photovoltaic panels using heat sinks, Romanian Journal of Civil Engineering, Vol. 6, No. 1; 2015, p. 11-20. [17] Hamrouni N, Jraidi M, Chérif A, Solar radiation and ambient temperature effects on the performances of a PV pumping system, Revue des Energies Renouvelables, Vol. 11, No. 1; 2008, p. 95â€"106. …
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Aluminum Heat Sink Assisted Air-Cooling Thermal Management …
Aluminum Heat Sink Assisted Air-Cooling Thermal Management System for High Current Applications in Electric Vehicles Abstract: Lithium-ion (Li-ion) batteries are preferred …
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Multi-level fin heat sinks for solar module cooling
Developed by Malaysian scientists, the proposed multi-level aluminum fin heat sinks (MLFHS) were found able to reduce the module operating temperature by up to 8.45 degrees Celsius and increase ...
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Experimental investigation for thermal performance of various heat sinks by alumina RT-70HC (NsPCM): Sustainable approach for thermal energy ...
Extensive research is being done on PCM and its composites to offer electronic devices a better passive cooling medium. According to the aforementioned literature in Table 1, a few studies have investigated the effects of incorporating nanomaterials into PCM and combined with extended surfaces and porous materials, …
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