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ESTUDO COMPARATIVO DE MOTORES DIESEL MARÍTIMOS ATRAVÉS DA ANÁLISE DE LUBRIFICANTES USADOS E ENGENHARIA DE CONFIABILIDADE

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Author(s): Oberdan Carrasco Nogueira | Mauro de Vasconcellos Real

Journal: Engevista
ISSN 1415-7314

Volume: 13;
Issue: 3;
Start page: 244;
Date: 2011;
Original page

Keywords: Reliability | Lubricant | Diesel engine | Wear | Maintenance

ABSTRACT
The article shows the operational performance comparison between Diesel Marine Engines used as main propulsion systems of the Platform Supply Vessels, using information about the wear of the components of the engines, gotten through Predictive Analysis Database of the lubricant used in these engines, and applying the Statistical Methodology of the failures-time behavior related the lifetime them. Once, the study of the predictive lubricant analysis results in use in these engines was done, classifying them according behavior, origin and wear level, obtain failure-time behavior related the lifetime of the engines, using Weibull distribution. After, it was done, using the Blocks Diagram, the model of the engines through its components, getting the failure-time behavior for each component, end finally, for two-stroke and four-stroke diesel engine with its distribution parameters. With these information, for a reliability level required, has gotten the lifetime corresponding at this reliability level, and the optimal time for the preventive maintenance actions.
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