Development of High-Power Ultrasonic System Dedicated to Metal Powder Atomization
The article presents the results of the development works and research on the atomization process carried out using two prototype high-power ultrasonic systems. Ultrasonic systems have been designed to develop a new metal powder production process; these materials are increasingly used in modern man...
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| Format: | Article |
| Language: | English |
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MDPI AG
2023-08-01
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| Series: | Applied Sciences |
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| Online Access: | https://www.mdpi.com/2076-3417/13/15/8984 |
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| author | Pawel Kustron Marcin Korzeniowski Adam Sajbura Tomasz Piwowarczyk Pawel Kaczynski Pawel Sokolowski |
| author_facet | Pawel Kustron Marcin Korzeniowski Adam Sajbura Tomasz Piwowarczyk Pawel Kaczynski Pawel Sokolowski |
| author_sort | Pawel Kustron |
| collection | DOAJ |
| description | The article presents the results of the development works and research on the atomization process carried out using two prototype high-power ultrasonic systems. Ultrasonic systems have been designed to develop a new metal powder production process; these materials are increasingly used in modern manufacturing processes such as additive technologies or spraying and surfacing processes. The preliminary studies presented in the article were conducted for water to assess the effectiveness of both systems and to verify the theoretical and structural assumptions. In ultrasonic atomization, the ultrasonic wave causes the phenomenon of cavitation, which leads to the overcoming of the surface tension forces of the liquid and its disintegration into fine droplets. The important parameters that affect the properties of the produced droplets include, among others, the frequency of the sonotrode vibrations and the amplitude of the vibrations of the working plate. As part of the research, the paper presents the process of selecting the sonotrode geometry for two different values of the transducer’s natural frequencies (20 kHz and 70 kHz). In the design process, the finite element method was used to perform a harmonic analysis and develop the geometry of the sonotrode and the working plate. The design assumptions and the design process were presented. The modeled and then ultrasonic waveguides were verified experimentally by measuring the deflection distribution on the working plate surface using a high-precision laser displacement sensor. Then, the work ultimately resulted in conducting atomization tests of water. The obtained aerosols and the mechanism of their formation were studied using a high-speed camera. Finally, using Matlab R2020a software and image analysis scripts, it was possible to analyze the droplet size distribution generated by both systems. It was observed that 50% of the produced droplets were in the range of 35–55 μm for a 20 kHz system, while for a 70 kHz system it was 10–25 μm, which is a very satisfying distribution in terms of metal powder atomization. |
| first_indexed | 2024-03-11T00:31:48Z |
| format | Article |
| id | doaj.art-e5bdc5c7b1c8498385ebbaa92ba07e26 |
| institution | Directory Open Access Journal |
| issn | 2076-3417 |
| language | English |
| last_indexed | 2024-03-11T00:31:48Z |
| publishDate | 2023-08-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Applied Sciences |
| spelling | doaj.art-e5bdc5c7b1c8498385ebbaa92ba07e262023-11-18T22:40:08ZengMDPI AGApplied Sciences2076-34172023-08-011315898410.3390/app13158984Development of High-Power Ultrasonic System Dedicated to Metal Powder AtomizationPawel Kustron0Marcin Korzeniowski1Adam Sajbura2Tomasz Piwowarczyk3Pawel Kaczynski4Pawel Sokolowski5Faculty of Mechanical Engineering, Wroclaw University of Science and Technology, Lukasiewicza 5, 50-371 Wroclaw, PolandFaculty of Mechanical Engineering, Wroclaw University of Science and Technology, Lukasiewicza 5, 50-371 Wroclaw, PolandFaculty of Mechanical Engineering, Wroclaw University of Science and Technology, Lukasiewicza 5, 50-371 Wroclaw, PolandFaculty of Mechanical Engineering, Wroclaw University of Science and Technology, Lukasiewicza 5, 50-371 Wroclaw, PolandFaculty of Mechanical Engineering, Wroclaw University of Science and Technology, Lukasiewicza 5, 50-371 Wroclaw, PolandFaculty of Mechanical Engineering, Wroclaw University of Science and Technology, Lukasiewicza 5, 50-371 Wroclaw, PolandThe article presents the results of the development works and research on the atomization process carried out using two prototype high-power ultrasonic systems. Ultrasonic systems have been designed to develop a new metal powder production process; these materials are increasingly used in modern manufacturing processes such as additive technologies or spraying and surfacing processes. The preliminary studies presented in the article were conducted for water to assess the effectiveness of both systems and to verify the theoretical and structural assumptions. In ultrasonic atomization, the ultrasonic wave causes the phenomenon of cavitation, which leads to the overcoming of the surface tension forces of the liquid and its disintegration into fine droplets. The important parameters that affect the properties of the produced droplets include, among others, the frequency of the sonotrode vibrations and the amplitude of the vibrations of the working plate. As part of the research, the paper presents the process of selecting the sonotrode geometry for two different values of the transducer’s natural frequencies (20 kHz and 70 kHz). In the design process, the finite element method was used to perform a harmonic analysis and develop the geometry of the sonotrode and the working plate. The design assumptions and the design process were presented. The modeled and then ultrasonic waveguides were verified experimentally by measuring the deflection distribution on the working plate surface using a high-precision laser displacement sensor. Then, the work ultimately resulted in conducting atomization tests of water. The obtained aerosols and the mechanism of their formation were studied using a high-speed camera. Finally, using Matlab R2020a software and image analysis scripts, it was possible to analyze the droplet size distribution generated by both systems. It was observed that 50% of the produced droplets were in the range of 35–55 μm for a 20 kHz system, while for a 70 kHz system it was 10–25 μm, which is a very satisfying distribution in terms of metal powder atomization.https://www.mdpi.com/2076-3417/13/15/8984ultrasoundatomizationultrasonic atomizationmetal powdersonotrode |
| spellingShingle | Pawel Kustron Marcin Korzeniowski Adam Sajbura Tomasz Piwowarczyk Pawel Kaczynski Pawel Sokolowski Development of High-Power Ultrasonic System Dedicated to Metal Powder Atomization Applied Sciences ultrasound atomization ultrasonic atomization metal powder sonotrode |
| title | Development of High-Power Ultrasonic System Dedicated to Metal Powder Atomization |
| title_full | Development of High-Power Ultrasonic System Dedicated to Metal Powder Atomization |
| title_fullStr | Development of High-Power Ultrasonic System Dedicated to Metal Powder Atomization |
| title_full_unstemmed | Development of High-Power Ultrasonic System Dedicated to Metal Powder Atomization |
| title_short | Development of High-Power Ultrasonic System Dedicated to Metal Powder Atomization |
| title_sort | development of high power ultrasonic system dedicated to metal powder atomization |
| topic | ultrasound atomization ultrasonic atomization metal powder sonotrode |
| url | https://www.mdpi.com/2076-3417/13/15/8984 |
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