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Mostrando ítems 181-190 de 252
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Random Forest model to predict solar water heating system performance
(Elsevier, 2023)
This research proposes a Random Forest RF model to replace the experimental tests required by the ISO 9459–5:2007 for predicting the annual energy supplied and the solar fraction covered by a thermosiphon solar water ...
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High Vapor Transport Deposition: A Novel Process to Develop Cu2ZnSn(SxSe1–x)4 Thin Film Solar Cells
(Wiley, 2021-12)
Kesterite thin film solar cells are known to be a promising cost-effective solution because they are based on earth-abundant and environmental compounds. However, it is known that their best efficiency (12.6%) has not been ...
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Determination of time constants of diffusion and electrochemical processes in Polymer Electrolyte Membrane Fuel Cells
(Elsevier Ltd, 2021)
This work presents an experimental analysis of the time constants associated to diffusion and electro chemical processes in a 50 cm2 Polymer Electrolyte Membrane (PEM) fuel cell. The experimental tech niques and results ...
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Minimizing the Computational Effort to Optimize Solar Concentrators with the Open-Source Tools SunPATH and Tonatiuh++
(MDPI AG, 2021)
Integrals that are of interest in the analysis, design, and optimization of concentrating solar thermal systems (CST), such as the annual optical efficiency of the light collection and concentration (LCC) subsystem, can ...
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Renewable Energy-Driven Desalination: New Trends and Future Prospects of Small Capacity Systems
(MDPI, 2022)
New trends and future prospects for small capacity systems of Renewable Energy-driven DESalination (REDES) are reviewed and assessed in this paper over a nominal desalination capacity range of 3–1000 m3 /d. A thorough ...
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High frequency generation of coupled GHI and DNI based on clustered Dynamic Paths
(Elsevier, 2018-01)
This Brief Note presents a general and efficient clustered-based methodology for the generation of high-frequency coupled global horizontal irradiance (GHI) and direct normal irradiance (DNI) series, based on the envelope ...
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Activity and efficiency trends for the residential sector across countries
(Elsevier, 2022-10-15)
The residential sector is a major contributor to climate change, accounting for almost a quarter of global energy consumption and a fifth of CO2 emissions in 2019. Since 2000, residential consumption has grown at a sustained ...
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Corrosion performance of alloy 800H and alloy 625 for potential use as molten salts solar receiver materials in concentrating solar power tower plants
(Elsevier, 2022-11-30)
Two high corrosion resistant super-alloys, alloy 800H and alloy 625, were evaluated for corrosion compatibility with molten nitrate salts at 565 °C under air atmosphere since these super-alloys are possible candidates for ...
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Power cycles integration in concentrated solar power plants with energy storage based on calcium looping
(Elsevier Ltd, 2017)
Efficient, low-cost and environmentally friendly storage of thermal energy stands as a main challenge for large scale deployment of solar energy. This work explores the integration into concentrated solar power plants of ...
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Optimum design and performance of a solar dish microturbine using tailored component characteristics
(Elsevier, 2018-12)
The aim of the paper is to find the optimum design and performance of solar microturbines powered by parabolic dish collectors using an innovative methodology which integrates the design and off-design models of the total ...