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Publikācija: Solar Facade Module for Nearly Zero Energy Building

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Publikācijas valoda English (en)
Nosaukums oriģinālvalodā Solar Facade Module for Nearly Zero Energy Building
Pētniecības nozare 2. Inženierzinātnes un tehnoloģijas
Pētniecības apakšnozare 2.7. Vides inženierija un enerģētika
Autori Ruta Vanaga
Andra Blumberga
Ritvars Freimanis
Toms Mols
Dagnija Blumberga
Atslēgas vārdi Climate adaptive building shell; Solar wall; Zero energy buildings; Energy efficiency in buildingsp Fresnel lens; Phase change materials
Anotācija Buildings consume 40% of the total primary energy use worldwide and it could increase if no energy efficiency measures are taken. Diffusion of nearly zero energy buildings is among building energy efficiency measures in many countries. Synergy of energy reduction in buildings and efficiency increase in district heating and cooling networks is part of Smart Energy Systems. Utilisation of solar energy is part of nearly zero energy buildings concept. The main aim of this research is to carry out numerical and experimental study of storage capacity and the dynamic behaviour of a solar facade module that can accumulate solar energy to reduce heating and cooling loads in nearly zero energy building. In this study, the first part of the climate adaptive facade element – solar facade module is developed: the point focus imaging Fresnel lens is employed for concentrating solar beam on copper plate with fins which is used as heat transfer enhancer to phase change material. Results show that the dynamics of heat flows and accumulation processes in the facade module are very complex due to highly changing outdoor and indoor conditions. The indoor temperature difference in the range of 0.5 °C and 9 °C is observed between the opaque reference wall and the solar facade module depending on the time of the day and season.
DOI: 10.1016/j.energy.2018.04.167
Hipersaite: https://www.sciencedirect.com/science/article/pii/S0360544218307904?via%3Dihub 
Atsauce Vanaga, R., Blumberga, A., Freimanis, R., Mols, T., Blumberga, D. Solar Facade Module for Nearly Zero Energy Building. Energy, 2018, Vol.157, 1025.-1034.lpp. ISSN 0360-5442. Pieejams: doi:10.1016/j.energy.2018.04.167
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