Identifying the parameters and operation modes of the cavitation apparatus taking into account the influence of the processing material

Authors

DOI:

https://doi.org/10.15587/1729-4061.2024.314141

Keywords:

cavitation apparatus, discrete-continuous model, contact zone, pressure, displacement amplitude, wave coefficient, synergy coefficient

Abstract

The object of this study is dynamic pressure that takes into account the main parameters of technological process. Under real conditions of cavitation apparatus operation, a discrepancy between actual and calculated parameters of 30–50 % was found, which significantly reduces the efficiency and quality of material processing. The problem was solved through a joint study of the movement of the acoustic apparatus and the technological environment as a single structured system taking into account the influence of materials. This is a peculiarity of the approach and distinctive features of the results in comparison with existing ones, in which the research was conducted separately for the processing material and the cavitation apparatus. The model proposed in the work reflects the elastic, inertial, and dissipative parameters in the equations of motion, provided that their changes are taken into account, both in the acoustic apparatus and in the technological material. This approach has made it possible to reveal the physical essence of the interaction and analytically describe their joint movement. The resulting analytical dependences made it possible to calculate and propose numerical values of vibration amplitudes in the range of 4.0...20.0 μm, sound pressure values in the range of 5.0...30.0∙105 Pa for media with a viscosity of (10–200)∙10-3 Pa∙s. With the set value of the amplitude, it is possible to assign the necessary parameters for the implementation of the cavitation process. The developed calculation algorithm ensures the reliability of the accepted models and parameters of the cavitation apparatus. The proposed approach of joint study of the movement of the acoustic apparatus and the environment is expedient to use for the practical implementation of ultrasonic treatment. In particular, such processes as dispersion, emulsification, mixing, extraction, and others, in order to increase their efficiency

Author Biographies

Iryna Bernyk, National University of Life and Environmental Sciences of Ukraine

Doctor of Technical Sciences, Associate Professor

Department of Processes and Equipment of Agricultural Production Processing

Ivan Nazarenko, Kyiv National University of Construction and Architecture

Doctor of Technical Sciences, Professor

Department of Machinery and Equipment of Technological Processes

Andrii Zapryvoda, Kyiv National University of Construction and Architecture

PhD, Associate Professor, Head of Department

Department of Automation of Technological Processes

Mykola Ruchynskyi, Kyiv National University of Construction and Architecture

PhD, Professor

Department of Machinery and Equipment of Technological Processes

Natalia Bolharova, Kyiv National University of Construction and Architecture

PhD, Associate Professor

Department of Architectural Structures

Tetiana Nesterenko, National University «Yuri Kondratyuk Poltava Polytechnic»

PhD, Associate Professor

Department of Oil and Gas Engineering and Technology

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Identifying the parameters and operation modes of the cavitation apparatus taking into account the influence of the processing material

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Published

2024-10-30

How to Cite

Bernyk, I., Nazarenko, I., Zapryvoda, A., Ruchynskyi, M., Bolharova, N., & Nesterenko, T. (2024). Identifying the parameters and operation modes of the cavitation apparatus taking into account the influence of the processing material. Eastern-European Journal of Enterprise Technologies, 5(7 (131), 34–43. https://doi.org/10.15587/1729-4061.2024.314141

Issue

Vol. 5 No. 7 (131) (2024): Applied mechanics

Section

Applied mechanics

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Copyright (c) 2024 Iryna Bernyk, Ivan Nazarenko, Andrii Zapryvoda, Mykola Ruchynskyi, Natalia Bolharova, Tetiana Nesterenko

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