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Wyszukujesz frazę "72.60.+g" wg kryterium: Temat


Wyświetlanie 1-3 z 3
Tytuł:
Electrical Conductivity of Ethylene Glycol Based Nanofluids with Different Types of Thulium Oxide Nanoparticles
Autorzy:
Fal, J.
Sidorowicz, A.
Żyła, G.
Powiązania:
https://bibliotekanauki.pl/articles/1032395.pdf
Data publikacji:
2017-07
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
74.25.F-
72.15.Cz
72.60.+g
73.63.-b
Opis:
The paper presents experimental investigation on electrical conductivity of thulium oxides-ethylene glycol (Tm₂O₃-EG) nanofluids based on nanoparticles with three different sizes, and prepared in different conditions. Nanofluids were prepared with two-step method with use of the nanoparticles obtained by precipitation method. Measurements were conducted at constant temperature 293.15 K for various mass concentrations from 0% to 20% with 5% step. The electrical conductivity was measured using conductivity meter MultiLine 3410 (WTW GmBH, Weilheim, Germany) and temperature was stabilized in a water bath MLL 547 (AJL Electronic, Cracow, Poland). The results indicate that increase in mass concentration of nanoparticles in base fluid causes increase in electrical conductivity of Tm₂O₃-EG nanofluids. The enhancement in electrical conductivity of nanosuspensions of thulium oxide is dependent on particle size.
Źródło:
Acta Physica Polonica A; 2017, 132, 1; 146-148
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
An Experimental Investigation of Electrical Conductivity of Y₃Al₅O₁₂-Ethylene Glycol Nanofluids
Autorzy:
Fal, J.
Witek, A.
Gizowska, M.
Cholewa, M.
Żyła, G.
Powiązania:
https://bibliotekanauki.pl/articles/1032441.pdf
Data publikacji:
2017-07
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
74.25.F-
72.15.Cz
72.60.+g
73.63.-b
Opis:
Paper presents results of experimental studies of electrical conductivity of yttrium aluminum garnet-ethylene glycol (Y₃Al₅O₁₂-EG, YAG-EG) nanofluids, which were prepared by dispersing commercially available nanoparticles manufactured by Baikowski (Annecy, France, ID LOT: 18513) in ethylene glycol. The electrical conductivity was measured using conductivity meter MultiLine 3410 (WTW GmBH, Weilheim, Germany). In turn the temperature was stabilized in a water bath MLL 547 (AJL Electronic, Cracow, Poland). The electrical conductivity of YAG-EG nanofluids with various mass concentrations form 5% to 20% was investigated at different ambient temperatures. The experimental data indicate that changing volume fraction of YAG nanoparticles in ethylene glycol cause change of electrical conductivity of nanofluid. It was also presented that electrical conductivity depends on temperature of materials.
Źródło:
Acta Physica Polonica A; 2017, 132, 1; 149-151
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Effect of Temperature and Mass Concentration of SiO₂ Nanoparticles on Electrical Conductivity of Ethylene Glycol
Autorzy:
Fal, J.
Żyła, G.
Powiązania:
https://bibliotekanauki.pl/articles/1032484.pdf
Data publikacji:
2017-07
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
74.25.F-
72.15.Cz
72.60.+g
73.63.-b
Opis:
Electrical conductivity of nanofluids is one of the physical properties which are intensively investigated by researchers. This paper brings contributions in this research area. Electrical conductivity of nanofluids containing various mass concentration of silicon dioxide (SiO₂) nanoparticles suspended in ethylene glycol (EG) were investigated at various ambient temperatures. Temperature was changed from 20°C to 60°C with 10°C step. Measurements were performed with digital conductivity meter (MultiLine 3410, WTW GmBH, Weilheim, Germany) and it was observed that increase in mass concentration of SiO₂ nanoparticles cause increase in electrical conductivity. The same dependence was observed between temperature and electrical conductivity.
Źródło:
Acta Physica Polonica A; 2017, 132, 1; 155-157
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-3 z 3

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