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[121000] Artykuł:

Evaluation of Numerical Methods for Predicting the Energy Performance of Windows

Czasopismo: Energies/Latest Research of Building Heat and Mass Transfer   Tom: 16(3), Zeszyt: 1425
ISSN:  1996-1073
Opublikowano: 2023
Liczba arkuszy wydawniczych:  1.00
 
  Autorzy / Redaktorzy / Twórcy
Imię i nazwisko Wydział Katedra Do oświadczenia
nr 3		 Grupa
przynależności		 Dyscyplina
naukowa		 Procent
udziału		 Liczba
punktów
do oceny pracownika		 Liczba
punktów wg
kryteriów ewaluacji
Anatoliy Pavlenko orcid logo WiŚGiEKatedra Fizyki Budowli i Energii Odnawialnej*Takzaliczony do "N"Inżynieria środowiska, górnictwo i energetyka50140.00140.00  
Karolina Sadko Niespoza "N" jednostkiInżynieria środowiska, górnictwo i energetyka50.00.00  

Grupa MNiSW:  Publikacja w czasopismach wymienionych w wykazie ministra MNiSzW (część A)
Punkty MNiSW: 140

Pełny tekstPełny tekst     DOI LogoDOI    
Słowa kluczowe:

heat transfer  mathematical modelling  windows  window thermal resistance  thermal transmittance 

Keywords:

heat transfer  mathematical modelling  windows  window thermal resistance  thermal transmittance 


Streszczenie:

Windows are important structural components that determine the energy efficiency of buildings. A significant parameter in windows technology is the overall heat transfer coefficient, U. This paper analyzes the methods of numerical determination of the U-value, including for windows that use passive technologies to improve thermal performance. The analysis was intended to evaluate the heat flux and temperature distribution across glazed surfaces and the accuracy of traditional approaches to the determination of heat loss through window structures. The results were obtained using the heat flux measurement method described in the international standard ISO 9869-1:2014. The paper shows that the non-uniformity of the heat flux density on a window surface can be as high as 60%, which in turn generates an error in the calculations based on stationary heat transfer conditions.



Abstract:

Windows are important structural components that determine the energy efficiency of buildings. A significant parameter in windows technology is the overall heat transfer coefficient, U. This paper analyzes the methods of numerical determination of the U-value, including for windows that use passive technologies to improve thermal performance. The analysis was intended to evaluate the heat flux and temperature distribution across glazed surfaces and the accuracy of traditional approaches to the determination of heat loss through window structures. The results were obtained using the heat flux measurement method described in the international standard ISO 9869-1:2014. The paper shows that the non-uniformity of the heat flux density on a window surface can be as high as 60%, which in turn generates an error in the calculations based on stationary heat transfer conditions.


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