POSSIBILITY OF IDENTIFICATION OF TECHNICAL CONDITION OF BEARINGS FOR SELF-IGNITION ENGINES BY APPLICATION OF ACOUSTIC EMISSION AS A DIAGNOSTIC SIGNAL - Publikacja - MOST Wiedzy

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POSSIBILITY OF IDENTIFICATION OF TECHNICAL CONDITION OF BEARINGS FOR SELF-IGNITION ENGINES BY APPLICATION OF ACOUSTIC EMISSION AS A DIAGNOSTIC SIGNAL

Abstrakt

This paper presents the results of empirical studies where the acoustic emission (AE) method was applied to identify the technical condition of sliding surfaces of main and crank bearings for main diesel engines. The test results indicate that the measurements of the AE parameters allow the technical condition identification for bearings of this type. The results refer to the measurements of the parameters for AE generated in the bearings whose sliding surfaces are in various conditions. The results illustrate the changes in AE parameters over time, like RMS (Root Mean Square), hits, counts, and also signal energy, amplitude, radial loads on bearing, friction torque, time of the mixed friction occurrence, rotational speed, temperature of bearing shell and oil film. It has been shown that AE can be an important diagnostic signal that allows disclosure of changes in technical condition of bearings in piston-crank mechanisms for the mentioned engines, in the early stages of the changes.

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Kategoria:
Publikacja w czasopiśmie
Typ:
artykuły w czasopismach recenzowanych i innych wydawnictwach ciągłych
Opublikowano w:
Journal of Polish CIMEEAC nr 8, strony 13 - 22,
ISSN: 1231-3998
Język:
angielski
Rok wydania:
2013
Opis bibliograficzny:
Girtler J.: POSSIBILITY OF IDENTIFICATION OF TECHNICAL CONDITION OF BEARINGS FOR SELF-IGNITION ENGINES BY APPLICATION OF ACOUSTIC EMISSION AS A DIAGNOSTIC SIGNAL// Journal of Polish CIMAC. -Vol. 8., nr. 2 (2013), s.13-22
Weryfikacja:
Politechnika Gdańska

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