Sessile droplet contact angle of water–Al2O3, water–TiO2 and water–Cu nanofluids - Publikacja - MOST Wiedzy

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Sessile droplet contact angle of water–Al2O3, water–TiO2 and water–Cu nanofluids

Abstrakt

This work presents measurements of the contact angle of sessile droplets for three nanofluids, i.e. water–Al2O3, water–TiO2 and water–Cu. The plates made of glass, anodized aluminium and stainless steel of different roughness served as substrates. Ultrasonic vibration was used for 30–60 min in order to stabilise the dispersion of the nanoparticles. Nanoparticles were tested at the concentration of 0.01%, 0.1%, and 1% by weight. Three methods of contact angle measurement were applied. The contact angle was established directly by use of a KRÜSS DSA10 goniometer or – building on digital images of droplets, an appropriate geometrical approach and tangent methods were applied. The study revealed that the droplet contact angle of nanofluids depends on surface roughness, type of substrate, material of nanoparticles, and concentration of nanoparticles.

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Informacje szczegółowe

Kategoria:
Publikacja w czasopiśmie
Typ:
artykuł w czasopiśmie wyróżnionym w JCR
Opublikowano w:
EXPERIMENTAL THERMAL AND FLUID SCIENCE nr 59, strony 258 - 263,
ISSN: 0894-1777
Język:
angielski
Rok wydania:
2014
Opis bibliograficzny:
Cieśliński J., Ronewicz K.: Sessile droplet contact angle of water–Al2O3, water–TiO2 and water–Cu nanofluids// EXPERIMENTAL THERMAL AND FLUID SCIENCE. -Vol. 59, (2014), s.258-263
DOI:
Cyfrowy identyfikator dokumentu elektronicznego (otwiera się w nowej karcie) 10.1016/j.expthermflusci.2014.06.004
Weryfikacja:
Politechnika Gdańska

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