Optimisation of reliability and maintenance plan of the high-pressure fuel pump system on marine engine

• Autorzy: Knežević Vlatko , Stazić Ladislav , Orović Josip , Pavin Zoran

Identyfikatory

DOI

10.2478/pomr-2022-0047

• Języki publikacji: EN

Abstrakty

EN

This paper presents a method of adjusting and designing the maintenance scheme for the high-pressure fuel pumps of a slow-speed two-stroke marine engine, MAN 6S70MC-C. The maintenance database for the marine fuel system was obtained from the planned maintenance software, and covered a period of 11 years. During this period, 29 failures occurred that required corrective actions. Our methodology includes failure mode analysis, risk analysis, reliability calculation and maintenance interval adjustment. Each failure is described using a failure mode analysis, based on a combination of the mode and cause of failure. The objective of this study is to recommend a new preventive maintenance interval based on the exponential reliability results and the analysed maintenance data. The initial maintenance plan for each fuel pump was set to 8,000 running hours, whereas in the modified plan, it is recommended to set this to 4,000 hours. Our results show an increase in the system reliability from 60% to 95% when the new modified maintenance plan is applied. In addition, the results and the recommended initial maintenance schedule are validated based on three similar types of engine with the same fuel pump system. The new maintenance approach can reduce the risk of component failure, which will lead to increased reliability of the fuel pump system and the optimisation of maintenance costs.

Słowa kluczowe

EN

reliability; maintenance modification; high-pressure fuel pump; risk analysis

• Wydawca: Gdańsk University of Technology, Faculty of Ocean Engineering & Ship Technology
• Czasopismo: Polish Maritime Research
• Rocznik: 2022
• Tom: nr 4
• Strony: 97--104
• Opis fizyczny: Bibliogr. 27 poz., rys., tab.

Twórcy

autor

Knežević Vlatko

• University of Zadar Department of Maritime Studies Croatia

• https://orcid.org/0000-0002-4240-3559

autor

Stazić Ladislav

• University of Split Faculty of Maritime Studies Croatia

• https://orcid.org/0000-0002-9921-3895

autor

Orović Josip

• University of Zadar Maritime Department M. Pavlinovića 1 23000 Zadar Croatia

• https://orcid.org/0000-0002-0735-7489

autor

Pavin Zoran

• University of Zadar Maritime Department M. Pavlinovića 1 23000 Zadar Croatia

Bibliografia

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Uwagi

Opracowanie rekordu ze środków MNiSW, umowa nr SONP/SP/546092/2022 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2024).