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Ingenius. Revista de Ciencia y Tecnología

versión On-line ISSN 1390-860Xversión impresa ISSN 1390-650X

Resumen

LLANES-CEDENO, Edilberto Antonio et al. Detección de fallas en motores de combustión mediante indicadores de temperatura y presión de inyección. Ingenius [online]. 2019, n.22, pp.38-46. ISSN 1390-860X.  https://doi.org/10.17163/ings.n22.2019.04.

The present work aims at propose indicators for the early detection of faults in the internal combustion engines of the Fuel-Oil generating sets from the injection pressure and temperature of the combustion chamber. As a case study, the generation groups of the Maintenance Company to the Fuel-Oil Generating Sets (EMGEF) in the Cuban province of Granma were evaluated. For the experiment, a multifactorial design was used, using as main factors the 16 engines, the 9 cylinders of each engine, and a working time of 3 years. The study demonstrated that pressure and temperature are significant indicators of the engine failure, besides that the number of detected faults by temperature were more significant than those reported by the injection pressure. It is concluded that the high temperatures in the cylinders are generally related to a high index of gases and a poor state of the injectors. The differences between the pressures are related to the low hermeticity and the technical state of the elements of the feeding system.

Palabras clave : failure; pressure; injection; temperatura combustion chamber; maintenance; generator sets.

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