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Ship diesel engines technical condition acoustic diagnostic results
Urbahs, A.; Unbedahts, A.; Fescuks, J. (2016). Ship diesel engines technical condition acoustic diagnostic results, in: Ostaševicius, V. (Ed.) Transport Means 2016. Proceedings of the 20th international scientific conference. pp. 589-593
In: Ostaševicius, V. (Ed.) (2016). Transport Means 2016. Proceedings of the 20th international scientific conference. Kaunas University of Technology: Kaunas. , meer
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Documenttype: Congresbijdrage
Author keywords
    acoustic emission; acoustic emission diagnostic; marine enginestechnical condition monitoring; mathematical modeling
Auteurs  Top 
  • Urbahs, A.
  • Unbedahts, A.
  • Fescuks, J.
Abstract
    There was analyzed the AE signals of the intake valve with the crack closing and AE signals from burned out exhaust valve. Taking into account our previous study "Mathematical modeling of the acoustic emission signals in case of gas leakage in engine cylinder head" this paper contain a calculation of subsonic turbulent gas flow in channel ( defect) with the aim to establish a minimum aperture at which the AE signals are perceptible.
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