Method for Maintaining Technical Condition of Marine Diesel Engine Bearings

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216305%3A26210%2F25%3APU156169" target="_blank" >RIV/00216305:26210/25:PU156169 - isvavai.cz</a>
Result on the web
<a href="https://www.mdpi.com/2075-4442/13/4/146" target="_blank" >https://www.mdpi.com/2075-4442/13/4/146</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.3390/lubricants13040146" target="_blank" >10.3390/lubricants13040146</a>

Result language
angličtina
Original language name
Method for Maintaining Technical Condition of Marine Diesel Engine Bearings
Original language description
The aim of the research was to determine the impact of antifriction coatings on the technical condition of marine diesel engine bearings. Various epilams were used as antifriction coatings, with a thin layer applied to the surfaces of the bearings of the marine diesel engines 12V32/40 MAN-Diesel&Turbo. The thickness of the epilam coating adsorbed on the metal surface was controlled by ellipsometry. It was found that the thickness of the epilam layer on the surfaces of marine diesel engine bearings could reach 11.2 nm to 17.0 nm. The adsorption time required does not exceed 10 min. It was shown that the epilam nanolayer applied to the metal surface led to an increase in the structural characteristics of the oil boundary layer (thickness: from 12.3 µm to 15.2–18.3 µm; contact angles: from 10.2 deg to 15.8–17.4 deg). It was experimentally confirmed that the epilam coating of bearing surfaces significantly reduced their wear. For the 12V32/40 MAN-Diesel&Turbo marine diesel engine, in the case of epilaminating, the wear of the bearing shell surface was reduced by 6.1–27.6%, with the greatest reduction in wear occurring for the stern (most loaded) bearings. This helped to maintain the technical condition of the bearings of marine diesel engines.
Czech name
—
Czech description
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Type
J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database
CEP classification
—
OECD FORD branch
20302 - Applied mechanics

Project
<a href="/en/project/EH23_020%2F0008528" target="_blank" >EH23_020/0008528: Innovative Technologies for Smart Low Emission Mobilities</a><br>
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year
2025
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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