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<p>The compact installation and technology for determining vibration characteristics by the ESPI method has been created. The experimental determination of the dynamic characteristics of a diamond circular blade with a diameter of 203.4 mm and a thickness of 1.19 mm using real-time electronic speckle interferometry is presented. 15 mode shapes of vibration were detected in the range from 100 to 5000 Hz. The program calculation of the natural frequencies and mode shapes is carried out for three values of the clamping inner diameter (42 mm, 44 mm, 46 mm). The options for calculating a disk with a rim and without a rim are considered. It is shown that the minimum mean squared error of the calculation is achieved for the values of the diameter of the disk 46 mm, 42 mm and 44 mm for the number of nodal circles 0, 1 and 2, respectively. To verify the accuracy of the interferometer, experimental, computational and analytical studies of console steel rod 200 × 22.25 × 3.78 mm in size were carried out.</p>
</abstract>

The compact installation and technology for determining vibration characteristics by the ESPI method has been created. The experimental determination of the dynamic characteristics of a diamond circular blade with a diameter of 203.4 mm and a thickness of 1.19 mm using real-time electronic speckle interferometry is presented. 15 mode shapes of vibration were detected in the range from 100 to 5000 Hz. The program calculation of the natural frequencies and mode shapes is carried out for three values of the clamping inner diameter (42 mm, 44 mm, 46 mm). The options for calculating a disk with a rim and without a rim are considered. It is shown that the minimum mean squared error of the calculation is achieved for the values of the diameter of the disk 46 mm, 42 mm and 44 mm for the number of nodal circles 0, 1 and 2, respectively. To verify the accuracy of the interferometer, experimental, computational and analytical studies of console steel rod 200 × 22.25 × 3.78 mm in size were carried out.

An Experimental Study of the Vibrational Characteristics of a Diamond Circular Blade Using Electronic Speckle-Pattern Interferometry and FEM

Department of Engineering Mechanics and Technology of Marine Engineering

Admiral Makarov National University of Shipbuilding

Department of Automation and Computer-Integrated Technologies, Faculty of Computer Science

Petro Mohyla Black Sea National University

Acta Mechanica et Automatica

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

The compact installation and technology for determining vibration characteristics by the ESPI method has been created. The experimental determination of the...

An Experimental Study of the Vibrational Characteristics of a Diamond Circular Blade Using Electronic Speckle-Pattern Interferometry and FEM

Online veröffentlicht: 15. Mai 2021

Seitenbereich: 16 - 23

Eingereicht: 13. März 2020

Akzeptiert: 13. März 2021

DOI: https://doi.org/10.2478/ama-2021-0003

Schlüsselwörter
interferometry, speckle pattern, correlation fringes, vibrational analysis

© 2021 Mykhaylo Tkach et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

An Experimental Study of the Vibrational Characteristics of a Diamond Circular Blade Using Electronic Speckle-Pattern Interferometry and FEM

Online veröffentlicht: 15. Mai 2021

Seitenbereich: 16 - 23

Eingereicht: 13. März 2020

Akzeptiert: 13. März 2021

DOI: https://doi.org/10.2478/ama-2021-0003

Schlüsselwörterinterferometry, speckle pattern, correlation fringes, vibrational analysis

© 2021 Mykhaylo Tkach et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Schlüsselwörter
interferometry, speckle pattern, correlation fringes, vibrational analysis