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| rdf:type
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| Description
| - The paper describes the use of a solar concentrator for producing electrical energy. It deals with production of electrical energy using solar radiation. The principle of the device is based on concentration of solar energy into a given area and the use of photoelectric effect for transforming this solar energy into electrical energy. The first goal was to find the amounts of electrical power and waste heat from the solar concentrator. For the chosen design a mathematical model was proposed and solved by Wolfram Mathematica. The following physical quantities and processes were modelled: the total electric power (described by photoelectric phenomenon equations), the flow of oil used as coolant (Bernoulli equation), and heat transfer between the concentrator, the cooling medium and ambient environment (laws of heat transfer by convection, conduction and radiation). The device was built in the laboratory and the numerical model was consequently tested and improved using the measured data. To achieve a relatively optimal level of concentration, an aluminium sheet in the shape of the letter %22U%22 was used. Focused solar rays were used for the electrical energy production in a solar cell located in the lowermost part of the device. Oil flowing through the pipes removes the heat from the solar cell and cooling of the semiconductor layer improves the efficiency of solar-electrical energy conversion. The influence of device positioning (azimuth and elevation angles) was also studied. The authors hope that future experiments will lead to better understanding of the roles of direct and diffusive radiation components.
- The paper describes the use of a solar concentrator for producing electrical energy. It deals with production of electrical energy using solar radiation. The principle of the device is based on concentration of solar energy into a given area and the use of photoelectric effect for transforming this solar energy into electrical energy. The first goal was to find the amounts of electrical power and waste heat from the solar concentrator. For the chosen design a mathematical model was proposed and solved by Wolfram Mathematica. The following physical quantities and processes were modelled: the total electric power (described by photoelectric phenomenon equations), the flow of oil used as coolant (Bernoulli equation), and heat transfer between the concentrator, the cooling medium and ambient environment (laws of heat transfer by convection, conduction and radiation). The device was built in the laboratory and the numerical model was consequently tested and improved using the measured data. To achieve a relatively optimal level of concentration, an aluminium sheet in the shape of the letter %22U%22 was used. Focused solar rays were used for the electrical energy production in a solar cell located in the lowermost part of the device. Oil flowing through the pipes removes the heat from the solar cell and cooling of the semiconductor layer improves the efficiency of solar-electrical energy conversion. The influence of device positioning (azimuth and elevation angles) was also studied. The authors hope that future experiments will lead to better understanding of the roles of direct and diffusive radiation components. (en)
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| Title
| - Use of a solar concetrator to produce electrical energy and heat
- Use of a solar concetrator to produce electrical energy and heat (en)
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| skos:prefLabel
| - Use of a solar concetrator to produce electrical energy and heat
- Use of a solar concetrator to produce electrical energy and heat (en)
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| skos:notation
| - RIV/68407700:21230/12:00199765!RIV13-MSM-21230___
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| http://linked.open...avai/riv/aktivita
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| http://linked.open...avai/riv/aktivity
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| http://linked.open...vai/riv/dodaniDat
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| http://linked.open...aciTvurceVysledku
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| http://linked.open.../riv/druhVysledku
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| http://linked.open...iv/duvernostUdaju
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| http://linked.open...titaPredkladatele
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| http://linked.open...dnocenehoVysledku
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| http://linked.open...ai/riv/idVysledku
| - RIV/68407700:21230/12:00199765
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| http://linked.open...riv/jazykVysledku
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| http://linked.open.../riv/klicovaSlova
| - Solar energy concentrator; electrical energy and heat production; radiation; photovoltaics (en)
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| http://linked.open.../riv/klicoveSlovo
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| http://linked.open...ontrolniKodProRIV
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| http://linked.open...v/mistoKonaniAkce
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| http://linked.open...i/riv/mistoVydani
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| http://linked.open...i/riv/nazevZdroje
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| http://linked.open...in/vavai/riv/obor
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| http://linked.open...ichTvurcuVysledku
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| http://linked.open...cetTvurcuVysledku
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| http://linked.open...UplatneniVysledku
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| http://linked.open...iv/tvurceVysledku
| - Bálský, Marek
- Musil, Ladislav
- Musálek, Lubomír
- Straka, Libor
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| http://linked.open...vavai/riv/typAkce
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| http://linked.open.../riv/zahajeniAkce
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| number of pages
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| http://purl.org/ne...btex#hasPublisher
| - vydavatelství ČVUT v Praze
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| https://schema.org/isbn
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| http://localhost/t...ganizacniJednotka
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