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Water-lubricated stern tube bearing - experimental and theoretical investigations of thermal effects
Abstract
The paper presents research results of thermal phenomena accompanying operation of a water-lubricated stern tube bearing with axial grooves. Experimental tests revealed, that intensity of forced axial flow has strong influence on bush temperature. Numerical simulations focused on investigation of the thermal phenomena under operation of water-lubricated journal bearing showed, that restricted axial flow promotes backflow of the water from bearing’s side zones through the grooves. The backflow temperature is higher than the supply temperature since under the conditions of restricted forced axial flow, it is impacted mainly by the temperature of the water outflow from the gap, which is higher due to the shearing of lubricating film. This effect causes rise in the temperature of the bearing bush.
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- Publication version
- Accepted or Published Version
- DOI:
- Digital Object Identifier (open in new tab) 10.1016/j.triboint.2020.106608
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- Category:
- Articles
- Type:
- artykuły w czasopismach
- Published in:
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TRIBOLOGY INTERNATIONAL
no. 153,
ISSN: 0301-679X - Language:
- English
- Publication year:
- 2021
- Bibliographic description:
- Wodtke M., Litwin W.: Water-lubricated stern tube bearing - experimental and theoretical investigations of thermal effects// TRIBOLOGY INTERNATIONAL -Vol. 153, (2021), s.106608-
- DOI:
- Digital Object Identifier (open in new tab) 10.1016/j.triboint.2020.106608
- Sources of funding:
-
- grant NCN 2016/23/B/ST8/03104
- Verified by:
- Gdańsk University of Technology
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