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Performance o f Unglazed Photovoltaic-thermal Collectors f or Cooling Purpose

Explore the efficiency of unglazed PVT collectors for cooling purposes at UCEEB CTU, Prague. Analyze experimental measurements and simulation results to enhance cooling power. Potential to increase cooling power and market variants evaluation discussed. Contact nikola.pokorny@fs.cvut.cz for more information.

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Performance o f Unglazed Photovoltaic-thermal Collectors f or Cooling Purpose

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  1. Performance of Unglazed Photovoltaic-thermal Collectors for Cooling Purpose UCEEB CTU in Prague Nikola Pokorny,Viacheslav Shemelin,Tomas Matuska CESB 2019 – 3. 7. 2019

  2. Motivation By the end of 2018, more than 1 mil. m2 of PVT collector area wereinstalled worldwide Ramschak, T., PVT – Systems in operation, IEA TASK 60, 2019

  3. Motivation - Night cooling by PVT collectors new TRNSYS type240 for night cooling Tsky = 0 °C radiation Tambient = 30 °C convection Tin= 20 °C • insulationyes/no? • materialofabsorber?

  4. Experimentalmeasurement IVAR1 VAR1 REF VAR2

  5. Simulationanalysis Chilledwatertemperature 20 °C – onlysummerseason • potential to increase cooling power of unglazed PVT colectors • smalldifference in coolingpowerbetweenvariants on the market Northern and CentralEurope– averagecoolingpower 110 W/m2 SouthernEurope - averagecoolingpower40 W/m2

  6. Thankyouforyourattention nikola.pokorny@fs.cvut.cz http://task60.iea-shc.org/

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