Abstract
The paper considers vibration paths properties of gas turbine engine non-rotating parts aimed for application for vibration diagnostics, specifically in Vibropassport™ as the methodical and algorithmic platform for practical application. Authors discuss reasons for transfer features research and application in vibration diagnostics. Some specialties of transfer features are considered for different types of excitation sources, like a whole rotor or separate gear. Low frequency range and wide frequency band vibrations generated by such sources need different approach to experimental testing techniques. The general view is given on experimental techniques for testing of integral aggregates and smaller excitation sources of an engine. There is analysis of transfer features of concentrated and distributed multiple sources as well as some samples of experimental testing and transfer coefficients determination. Main areas of transfer properties in application of engine vibration diagnostics are considered. The paper includes conclusions regarding discussed matters and tasks for further works.
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Acknowledgments
The paper uses materials related to research 1.2.1.1/16/A/008 “The Study of Dynamic Properties of Aviation Engine Aggregates for Vibration Diagnostic Technology Research and Demonstrator Development” of the project “Establishment of Engineering Systems, Transport and Energy Competence Center” in cooperation with Central Finance and Contracting Agency of Latvia. This work contains the results of the research study, experimental testing and development vibration diagnostic techniques demonstrator.
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Mironov, A., Doronkin, P., Mironovs, D. (2019). Research and Practical Application of Vibration Transfer Functions in Diagnostics of Jet Engine. In: Kabashkin, I., Yatskiv (Jackiva), I., Prentkovskis, O. (eds) Reliability and Statistics in Transportation and Communication. RelStat 2018. Lecture Notes in Networks and Systems, vol 68. Springer, Cham. https://doi.org/10.1007/978-3-030-12450-2_40
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DOI: https://doi.org/10.1007/978-3-030-12450-2_40
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