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Wyszukujesz frazę "thermal power" wg kryterium: Temat


Wyświetlanie 1-3 z 3
Tytuł:
Thermal properties of nanoliquids in the aspects of their used in the insulation system of high voltage power transformer
Autorzy:
Dombek, G.
Nadolny, Z.
Przybyłek, P
Powiązania:
https://bibliotekanauki.pl/articles/97610.pdf
Data publikacji:
2014
Wydawca:
Politechnika Poznańska. Wydawnictwo Politechniki Poznańskiej
Tematy:
nanoliquids
high voltage power transformers
thermal properties
Opis:
The article presents information concerning the electrical and thermal properties of nanoliquids in the context of their use in the insulating system of high voltage power transformers. It consists of six chapters. The first chapter is an introduction. The second chapter describes properties of the modern insulating nanoliquids created on the basis of mineral oil and nanoparticles. The third chapter is devoted to the measurement systems to the measure of the viscosity, thermal conductivity and density. The fourth chapter presents the methods of preparation of nanoliquids. In the fifth chapter the viscosity, thermal conductivity and density of mineral oil and nanoliquids were compared. Article ends with a summary.
Źródło:
Computer Applications in Electrical Engineering; 2014, 12; 217-226
1508-4248
Pojawia się w:
Computer Applications in Electrical Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Thermal aspects of operation of the selected photovoltaic components
Autorzy:
Głuchy, A.
Kurz, D.
Trzmiel, G.
Powiązania:
https://bibliotekanauki.pl/articles/97586.pdf
Data publikacji:
2014
Wydawca:
Politechnika Poznańska. Wydawnictwo Politechniki Poznańskiej
Tematy:
photovoltaics
solar collector
Photovoltaic Thermal
PV temperature
photovoltaic roofing tile
power yield
efficiency
roof substrate
Opis:
In the study the authors introduced the idea of the operation of the photovoltaic system with possibly low temperature of photovoltaic cell surfaces. The attention was paid both to PV panels which are very popular in Poland and to currently less popular PV roofing tiles. The selected solutions were characterized, which - in the authors’ opinion - have a practical impact on lowering of the temperature of operation of photovoltaic cells, and thus increase the system’s energy yield. Special attention was paid to the concept of operation of the hybrid PVT collector as well as the selection of roof substrate for PV roofing tiles. Potential benefits resulting from conducted works were indicated for various groups of recipients. The results of first tests and calculations were also presented, which confirm the need of further research works on this issue.
Źródło:
Computer Applications in Electrical Engineering; 2014, 12; 484-496
1508-4248
Pojawia się w:
Computer Applications in Electrical Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Thermal properties of nanoliquids prepared on the basis of natural ester modified by nanoparticles TiO2 and C60
Autorzy:
Dombek, G.
Powiązania:
https://bibliotekanauki.pl/articles/97730.pdf
Data publikacji:
2015
Wydawca:
Politechnika Poznańska. Wydawnictwo Politechniki Poznańskiej
Tematy:
natural esters
thermal conductivity
viscosity
density
specific heat
high voltage power transformers
heat transfer coefficient
nanoliquids
Opis:
In this paper the results of the researches concerning thermal properties of insulting nanoliquids received on the basis of natural ester, titan dioxide TiO2 and fullerene C60 were presented. Thermal conductivity, viscosity, density and specific heat are these thermal properties. The range of the temperature was changing from 25°C to 80°C. These properties are crucial from the viewpoint of heat transfer coefficient by insulating liquid used in insulating system of power equipment; thus, they influence on temperature distribution inside the equipment. The possibility of receiving steady nanoliquids was also analyzed. The impact of natural ester modification by nanoparticles and surfactant on thermal properties of received nanoliquids was proved.
Źródło:
Computer Applications in Electrical Engineering; 2015, 13; 404-413
1508-4248
Pojawia się w:
Computer Applications in Electrical Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-3 z 3

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