Fault Tree Analysis and Failure Diagnosis of Marine Diesel Engine Turbocharger System

The reliability of marine propulsion systems depends on the reliability of several sub-systems of a diesel engine. The scavenge air system is one of the crucial sub-systems of the marine engine with a turbocharger as an essential component. In this paper, the failures of a turbocharger are analyzed...

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Published in:Journal of marine science and engineering 2020-12, Vol.8 (12), p.1004
Main Authors: Knežević, Vlatko, Orović, Josip, Stazić, Ladislav, Čulin, Jelena
Format: Article
Language:English
Subjects:
Air
Air filters
Automobiles
Compressors
Diesel
diesel engine turbocharger
Diesel engines
Energy efficiency
Engines
Exhaust systems
Exploitation
Failure analysis
failure diagnosis
Failures
Fault diagnosis
Fault tree analysis
Fouling
maintenance
Manufacturers
Marine engines
Marine propulsion
Optimization
Probability theory
Propulsion systems
Reliability
Reliability analysis
Shipping industry
Simulation
Simulators
Superchargers
System reliability
Turbine engines
Turbines
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cited_by cdi_FETCH-LOGICAL-c364t-40a540c8b84ec73dc899939aacdca46a17cb968539f196968ae4a3f449e1e76e3
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creator Knežević, Vlatko
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description The reliability of marine propulsion systems depends on the reliability of several sub-systems of a diesel engine. The scavenge air system is one of the crucial sub-systems of the marine engine with a turbocharger as an essential component. In this paper, the failures of a turbocharger are analyzed through the fault tree analysis (FTA) method to estimate the reliability of the system and to predict the cause of failures. The quantitative method is used for assessing the probability of faults occurring in the turbocharger system. The main failures of a scavenge air sub-system, such as air filter blockage, compressor fouling, turbine fouling (exhaust side), cooler tube blockage and cooler air side blockage, are simulated on a Wärtsilä-Transas engine simulator for a marine two-stroke diesel engine. The results obtained through the simulation can provide improvement in the maintenance plan, reliability of the propulsion system and optimization of turbocharger operation during exploitation time.
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source Publicly Available Content Database
subjects Air
Air filters
Automobiles
Compressors
Diesel
diesel engine turbocharger
Diesel engines
Energy efficiency
Engines
Exhaust systems
Exploitation
Failure analysis
failure diagnosis
Failures
Fault diagnosis
Fault tree analysis
Fouling
maintenance
Manufacturers
Marine engines
Marine propulsion
Optimization
Probability theory
Propulsion systems
Reliability
Reliability analysis
Shipping industry
Simulation
Simulators
Superchargers
System reliability
Turbine engines
Turbines
title Fault Tree Analysis and Failure Diagnosis of Marine Diesel Engine Turbocharger System
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