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  • 1 Heat, Gas Supply and Ventilation Department, Institute of Civil Engineering and Building Systems, Lviv Polytechnic National University, Stepan Bandera str, 12, Lviv-13, Ukraine
  • 2 Department of Heat and Power Engineering, Education and Research Institute of Energetics, Automation and Energy Efficiency, National University of Life and Environmental Sciences of Ukraine, Heroiv Oborony str, 12, Kyiv 03041, Ukraine
  • 3 Department of Civil Security, Institute of Energy and Control Systems, Lviv Polytechnic National University, Stepan Bandera str, 12, Lviv-13, Ukraine
  • 4 Department of Physical, Analytical and General Chemistry, Institute of Chemistry and Chemical Technology, Lviv Polytechnic National University, Stepan Bandera str, 12, Lviv-13, Ukraine
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Abstract

In line with the energy development strategy of Europe, it is necessary to implement energy efficient buildings, in which the external enclosures are converters of solar energy to thermal. Therefore, the purpose of the publication was the scientific substantiation and development of the solar heating system with the use of rooftop solar panels. Graphical and analytical dependences of the coefficient of thermal efficiency of the solar panel in heat supply system from the angles of solar radiation incoming and the density of the radiation flux were obtained. Analysis of the results showed that the coefficient of thermal efficiency of the solar panel without transparent coating with the placement of pipelines of the circulation circuit of the coolant over the heat absorber increases by 50%.

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