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[127580] Artykuł:

An Experimental Investigation and Numerical Simulation of Photovoltaic Cells with Enhanced Surfaces Using the Simcenter STAR-Photovoltaic Cells with Enhanced Surfaces Using the Simcenter STAR-CCM+ Software

Czasopismo: Energies   Tom: 16(24), Zeszyt: 8047, Strony: 1-18
ISSN:  1996-1073
Opublikowano: Grudzień 2023
 
  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
Magdalena Piasecka orcid logo WMiBMKatedra Mechaniki i Procesów Cieplnych*Takzaliczony do "N"Inżynieria mechaniczna3370.0070.00  
Artur Piasecki WiŚGiEKatedra Fizyki Budowli i Energii Odnawialnej*Takzaliczony do "N"Inżynieria środowiska, górnictwo i energetyka33140.00140.00  
Norbert Dadas WMiBMKatedra Mechaniki i Procesów Cieplnych*Niezaliczony do "N"Inżynieria mechaniczna3370.0070.00  

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

Pełny tekstPełny tekst     DOI LogoDOI    

Abstract:

This article proposes a passive cooling system for photovoltaic (PV) panels to achieve a reduction in their temperature. It is known that the cooling of PV panels allows for an increase in the efficiency of photovoltaic conversion. Furthermore, reducing the high temperature of the surfaces of PV panels is also desirable to ensure their long-lasting operation and high efficiency. Photovoltaic panels were modified by adding copper sheets to the bottom side of the panels. Two types of modification of the outer surface of the sheet were investigated experimentally, which differed in surface roughness. One was characterised by the nominal roughness of the copper sheet according to its manufacturer, while the other was enhanced by a system of pins. Numerical simulations, performed using the Simcenter STAR-CCM+ software, version 2020.2.1 Build 15.04.010, helped to
describe the geometry of the pins and their role in the resulting reduction in the temperature of the PV panel surface. As a result, modifying a typical PV panel by adding a copper sheet with pins helps to achieve a higher decrease in the temperature of the PV panel. The addition of a copper sheet with a smooth surface to the bare PV panel improved the operating conditions by lowering its surface temperature by approximately 6.5 K but using an enhanced surface with the highest number of pins distributed uniformly on the copper sheet surface resulted in the highest temperature drop up to 12 K. The highest number of pins distributed uniformly on the copper sheet surface resulted in the highest temperature drop in its bottom surface, that is, on average by more than 12 K compared to the surface temperature of the bare PV panel surface. The validation of the numerical calculations was performed on data from the experiments. An analysis of the quality of the numerical mesh was also performed using a method based on the grid convergence index.


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