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Development of high temperature phase-change-material storages
Laing, Doerte; Bauer, Thomas; Breidenbach, Nils; … - In: Applied Energy 109 (2013) C, pp. 497-504
High-temperature PCM is a key component for storing latent heat. This is necessary for efficient energy storage in … high-temperature PCM storage, it is necessary to increase the heat transfer rate to meet the necessary power density … DLR and applied in a 700kWh PCM storage demonstration module. …
Persistent link: https://www.econbiz.de/10010678784
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Optimum PV-diesel hybrid systems for remote consumers of the Greek territory
Kaldellis, John; Zafirakis, Dimitrios; Kavadias, Kosmas; … - In: Applied Energy 97 (2012) C, pp. 61-67
On the numerous small and medium-sized Greek islands one may encounter several thousands of remote consumers unable to appreciate a direct electricity utility supply. For this purpose, remote consumers usually cover their electricity needs based on the operation of small diesel-generator sets....
Persistent link: https://www.econbiz.de/10010702658
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Performance of a free-air cooling system for telecommunications base stations using phase change materials (PCMs): In-situ tests
Sun, Xiaoqin; Zhang, Quan; Medina, Mario A.; Liao, Shuguang - In: Applied Energy 147 (2015) C, pp. 325-334
A free air cooling system that combines phase change material (PCM) with a natural cold source (i.e., cold air) was … of air conditioning system was used to remove heat in the TBSs. In addition, a PCM technology was adopted to improve the …
Persistent link: https://www.econbiz.de/10011263286
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A study on the use of phase change materials (PCMs) in combination with a natural cold source for space cooling in telecommunications base stations (TBSs) in China
Sun, Xiaoqin; Zhang, Quan; Medina, Mario A.; Liu, Yingjun; … - In: Applied Energy 117 (2014) C, pp. 95-103
A technology that combines phase change materials (PCMs) with a natural cold source is proposed to reduce the space cooling energy of telecommunications base stations (TBSs). First, a mathematical model was developed to assess this technology. Then, a full-scale prototype, named latent heat...
Persistent link: https://www.econbiz.de/10010737706
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Latent heat augmentation of thermocline energy storage for concentrating solar power – A system-level assessment
Flueckiger, Scott M.; Garimella, Suresh V. - In: Applied Energy 116 (2014) C, pp. 278-287
conventional rock filler inside the tank with an encapsulated phase-change material (PCM), contributing a latent heat storage …
Persistent link: https://www.econbiz.de/10010737736
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Parametric analysis of influencing factors in Phase Change Material Wallboard (PCMW)
Zhou, D.; Shire, G.S.F.; Tian, Y. - In: Applied Energy 119 (2014) C, pp. 33-42
Incorporating Phase Change Materials (PCMs) into traditional building structures has been considered as an effective way to reduce the mismatch between energy supply and demand and in turn to minimise energy consumption (cooling/heating energy). For building applications, Phase Change Material...
Persistent link: https://www.econbiz.de/10010743612
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Performance of a new solar air heater with packed-bed latent storage energy for nocturnal use
Bouadila, Salwa; Kooli, Sami; Lazaar, Mariem; Skouri, Safa - In: Applied Energy 110 (2013) C, pp. 267-275
An experimental study was conducted to evaluate the thermal performance of a new solar air heater collector using a packed bed of spherical capsules with a latent heat storage system. Using both first and second law of thermodynamics, the energetic and exegetic daily efficiencies were calculated...
Persistent link: https://www.econbiz.de/10010678777
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Investigation of pinacone hexahydrate as phase change material for thermal energy storage around 45°C
Rathgeber, Christoph; Schmit, Henri; Hennemann, Peter; … - In: Applied Energy 136 (2014) C, pp. 7-13
Phase change materials (PCM) with a transition temperature around 45°C can be used in various applications, e.g. as … of about 300J/g was reported in literature. To investigate the applicability of pinacone hexahydrate as a PCM, we …
Persistent link: https://www.econbiz.de/10011076385
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High temperature latent heat storage with a screw heat exchanger: Design of prototype
Zipf, Verena; Neuhäuser, Anton; Willert, Daniel; Nitz, … - In: Applied Energy 109 (2013) C, pp. 462-469
An important option for increasing the efficiency in Concentrated Solarthermal Power (CSP) is the development of systems generating steam directly in the solar field. To produce dispatchable and affordable electrical power, the integration of an efficient and economical thermal energy storage is...
Persistent link: https://www.econbiz.de/10011040974
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Effects of natural convection on latent heat storage performance of salt in a horizontal concentric tube
Tao, Y.B.; He, Y.L. - In: Applied Energy 143 (2015) C, pp. 38-46
concentric tube to investigate the effects of liquid phase change material (PCM) natural convection on LHS performance. The … PCM melting rate in upside and weakens the melting rate in downside. So, although the natural convection can enhance the … heat transfer performance of liquid PCM, it also causes larger non-uniformity for the solid–liquid interface and …
Persistent link: https://www.econbiz.de/10011208377