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Moreover, three damage modes, including damaged conducting grid lines, fractured PV cell surfaces, and the bending effects after impact are observed, and the corresponding strength of each mode is quantified by different mechanical theories. A damage-induced conversion efficiency degradation (DCED) model is developed and validated by experiments, providing an effective method in predicting the performance degradation of PV cells under various dust impact conditions. It drops from 26.7 to 3.9% with increasing the impact velocity from 40 to 185 m/s and the particles’ number densities from 35 to 150/mm 2, showing a reduction up to 85.7% when being compared with the intact ones with the light-electricity conversion efficiency of 27.2%. The results show that the light-electricity conversion efficiency of the PV cells decreases with increasing the impact velocity and the particles’ number density. In this paper, the performance degradation and the damage behavior of PV cells subjected to massive dust impact are investigated using laser-shock driven particle impact experiments and mechanical modeling.
Soltrace academy software#
KeyWords: Computer aided software engineering Solar energy, Central receiver system Concentrating solar power Heliostat field Optical modeling Simulation, Computer software DOI: 10.1016/j.rser.2018.06.It has been a key issue for photovoltaic (PV) cells to survive under mechanical impacts by tiny dust. This work was developed with the project STAGE-STE “Scientific and Technological Alliance for Guaranteeing the European Excellence in concentrating Solar Thermal Energy”. More Information: The research leading to these results has received funding from the European Union Seventh Framework Programme FP7/2007–2013 under grant agreement no. Journal/Review: RENEWABLE & SUSTAINABLE ENERGY REVIEWS Apart from the designer preferences, the choice of the most suitable tool depends on the specific application and requirements. The total power values are very close for Tonatiuh, SolTrace and CRS4-2.
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In general, the results for total power and maximum irradiance are in good agreement across most tools. A quantitative comparison is done providing simulation results for a test-case, the SPSS-CRS facility located at Plataforma Solar de Almeria in Spain. A qualitative comparison of these four tools is performed focusing on functionality and usability. A brief review of available tools is presented, including an extended description of some of them – Tonatiuh, SolTrace, TracePro and CRS4-2. This work concerns a comparison of some of the most common tools used for the heliostat field layout design and analysis, aiming to help Concentrating Solar Power researchers and industry by providing more information regarding the tools comparative results and features. The complexity of these systems and the high number of parameters to define during the field design stage demand the use of suitable simulation tools to compare different design options andĮvaluate the final performance of the heliostat field.
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Fermi, 6, Firenze 50125, Italy Laboratorio Nacional de Energia e Geologia IP, Estrada do Paço do Lumiar, 22, 1649-038 Lisboa, Portugal Centro Nacional de Energías Renovables, Ciudad de la Innovación 7, 31621 Sarriguren, Navarra, España CRS4, PST Polaris, Edificio 1, 09010 Pula, CA, ItalyĪbstract: Heliostat field layout design is a critical task in solar tower power plant construction due to its impact in the final plant efficiency and cost. Optical simulation of a central receiver system: Comparison of different software toolsĪuthors: Jafrancesco D., Cardoso J., Mutuberria A., Leonardi E., Les I., Sansoni P., Francini F., Fontani D.Īutors Affiliation: CNR-INO National Institute of Optics, Largo E. Heritage science, vision science, technical optics and materials for renewable energies.Sensors, spectroscopy and communications.Quantum optics, information and metrology.