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Dynamic parametric models for the holistic evaluation of semi-transparent photovoltaic/thermal façade with latent storage inserts
Arkar, Ciril (Avtor), Žižak, Tej (Avtor), Domjan, Suzana (Avtor), Medved, Sašo (Avtor)

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URLURL - Izvorni URL, za dostop obiščite https://www.sciencedirect.com/science/article/abs/pii/S0306261920314392?via%3Dihub Povezava se odpre v novem oknu

Izvleček
High energy efficiency, energy autonomy, and improved living conditions are basic requirements of sustainable buildings. Advanced building envelope structures can provide these requirements. In the present paper, multipurpose façade structure designed as semi-transparent modular building-integrated photovoltaic façade with a forced ventilated cavity and enhanced heat storage capacity, using encapsulated phase change inserts installed on inner glass pane of photovoltaic module and on building envelope, is evaluated. The design of the façade structure, including simultaneous optimization of photovoltaic cell-packing factor, phase change material inserts properties, and heat transfer by convection in air gap, was based on transient modeling. A 60% photovoltaic cell-packing factor enables the highest overall energy efficiency, while phase change material inserts on the inner glass pane of photovoltaic module have no impact on diurnal photovoltaic cell efficiency. However, a phase change material layer installed on the envelope decreases the diurnal heat losses by half at solar radiation of 2200 Wh/m2 day. The energy performance of an optimized modular structure was determined via in-situ experiments; the data were used for developing dynamic approximation models of energy efficiency indicators. It was found that multiple regression models with interactions and past values can predict dynamic responses with sufficient accuracy. Depending on the heating season%s climate conditions, the developed semi-transparent modular building-integrated photovoltaic façade decreases the energy needs 40% to 55% in comparison to the reference façade with solar energy utilization efficiency in the range between 44% and 63%. This proves that such structures can contribute to fulfilling of requirements of sustainable buildings.

Jezik:Angleški jezik
Ključne besede:in-situ experiments, building-integrated photovoltaics façade structures, PCM solar storage, dynamic thermal insulation, multi-parametric regression models
Vrsta gradiva:Članek v reviji (dk_c)
Tipologija:1.01 - Izvirni znanstveni članek
Organizacija:FS - Fakulteta za strojništvo
Leto izida:2020
Št. strani:str. 1-16
Številčenje:Vol. 280
UDK:692.23(045)
ISSN pri članku:0306-2619
DOI:10.1016/j.apenergy.2020.115994 Povezava se odpre v novem oknu
COBISS.SI-ID:34825731 Povezava se odpre v novem oknu
Število ogledov:38
Število prenosov:43
Metapodatki:XML RDF-CHPDL DC-XML DC-RDF
 
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Gradivo je del revije

Naslov:Applied energy
Skrajšan naslov:Appl. energy
Založnik:Applied Science Publishers
ISSN:0306-2619
COBISS.SI-ID:5134599 Povezava se odpre v novem oknu

Gradivo je financirano iz projekta

Financer:ARRS - Agencija za raziskovalno dejavnost Republike Slovenije (ARRS)
Številka projekta:P2-0223
Naslov:Prenos toplote in snovi

Sekundarni jezik

Jezik:Slovenski jezik
Ključne besede:in-situ eksperimenti, BIPV, PCM solarni hranilnik, dinamična toplotna izolacija, več-parametrični regresijski modeli

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