Pool Boiling of Water–Al2O3 and Water–Cu Nanofluids Outside Porous Coated Tubes - Publikacja - MOST Wiedzy

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Pool Boiling of Water–Al2O3 and Water–Cu Nanofluids Outside Porous Coated Tubes

Abstrakt

This paper deals with pool boiling ofwater–Al2O3 and water–Cu nanofluids on porous coated, horizontal tubes. Commercially available stainless-steel tubes having 10 mm outside diameter and 0.6 mm wall thickness were used to fabricate a test heater. Aluminum porous coatings 0.15 mm thick with porosity of about 40% were produced by plasma spraying. A smooth tube served as a reference tube. The experiments were conducted under different absolute operating pressures of 200 kPa, 100 kPa, and 10 kPa. Nanoparticles were tested at concentrations of 0.01%, 0.1%, and 1% by weight. In all cases tested, enhancement heat transfer was always observed during boiling of water–Al2O3 and water–Cu nanofluids on smooth tubes compared to boiling of distilled water. Contrary to smooth tubes, addition of even a small amount of nanoparticles resulted in deterioration of heat transfer during pool boiling of water–Al2O3 and water–Cu nanofluids on porous coated tubes in comparison with boiling of distilled water.

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Informacje szczegółowe

Kategoria:
Publikacja w czasopiśmie
Typ:
artykuł w czasopiśmie wyróżnionym w JCR
Opublikowano w:
HEAT TRANSFER ENGINEERING nr 36, strony 553 - 563,
ISSN: 0145-7632
Język:
angielski
Rok wydania:
2015
Opis bibliograficzny:
Cieśliński J., Kaczmarczyk T.: Pool Boiling of Water–Al2O3 and Water–Cu Nanofluids Outside Porous Coated Tubes// HEAT TRANSFER ENGINEERING. -Vol. 36, nr. 6 (2015), s.553-563
DOI:
Cyfrowy identyfikator dokumentu elektronicznego (otwiera się w nowej karcie) 10.1080/01457632.2014.939046
Weryfikacja:
Politechnika Gdańska

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