Friction and Lubrication of Large Tilting-Pad Thrust Bearings - Publikacja - MOST Wiedzy

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Friction and Lubrication of Large Tilting-Pad Thrust Bearings

Abstrakt

Fluid film bearings have been extensively used in the industry because of their unbeatable durability and extremely low friction coefficient, despite a very low coefficient of friction dissipation of energy being noticeable, especially in large bearings. Lubricating systems of large tilting pad thrust bearings utilized in large, vertical shaft hydrogenerators are presented in this paper. A large amount of heat is generated due to viscous shearing of the lubricant large tilting pad thrust bearings, and this requires systems for forced cooling of the lubricant. In the dominant bath lubrication systems, cooling is realized by internal coolers or external cooling systems, with the latter showing some important advantages at the cost of complexity and also, potentially, lower reliability. Substantial losses in the bearings, reaching 1 MW in extreme cases, are a good motivation for the research and development aimed at reducing them. Some possible methods and their potential efficiency, along with some effects already documented, are also described in the paper.

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Informacje szczegółowe

Kategoria:
Publikacja w czasopiśmie
Typ:
publikacja w in. zagranicznym czasopiśmie naukowym (tylko język obcy)
Opublikowano w:
Lubricants nr 3, wydanie 2, strony 164 - 180,
ISSN: 2075-4442
Język:
angielski
Rok wydania:
2015
Opis bibliograficzny:
Wasilczuk M.. Friction and Lubrication of Large Tilting-Pad Thrust Bearings. Lubricants, 2015, Vol. 3, iss. 2, s.164-180
DOI:
Cyfrowy identyfikator dokumentu elektronicznego (otwiera się w nowej karcie) 10.3390/lubricants3020164
Weryfikacja:
Politechnika Gdańska

wyświetlono 80 razy

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