Univerzitná knižnica - Zborníky

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Author: search.filters.author.Hrúz, MichalSubject: search.filters.subject.bearings

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    Využití metod vibrační analýzy pro kontinuální sledování technického stavu kritických prvků leteckého turbínového motoru
    (University of Žilina, 2024) Mrakvia, Dominik Michael; Hrúz, Michal
    The reliable operation of an aircraft turbine engine is critical to the safety, regularity and economy of airline operations. Existing methods for vibration diagnostics of jet engines have provided valuable information on potential problems and have proven to be an important and irreplaceable tool for jet engine maintenance, especially for predictive maintenance. However, real-time vibration diagnostics of critical components of in-service jet engines is only marginally used and its full potential is not being realised. The main objective of this work is to verify the use of vibration analysis methods currently used in the diagnostic processes of continuous condition monitoring of aircraft jet engines and, in addition, new advanced analysis methods in the environment of a newly designed vibrodiagnostic setup for the purpose of simulating selected types of damage to critical parts of an aircraft turbine engine. The first sub-target is to design, develop and verify the functionality of the vibrodiagnostic assembly for data acquisition and subsequent analysis. The second sub-task is to monitor and record vibrodiagnostic data using an accelerometer. The nature of each simulated condition is determined using vibration signal analysis methods. This provides a small-scale analogy to the diagnostic processes of critical elements of an aircraft turbine engine. The thesis also focuses on the potential for innovation in this area, particularly by improving the use of measured data. The results of the analysis are used to develop a proposal for a possible vibration monitoring system for use in engines currently in service.