Müller, Saskia ; Fischper, Maurice ; Mottyll, Stephan ; Skoda, Romuald ; Hussong, Jeanette (2014)
Analysis of the cavitating flow induced by an ultrasonic horn – Experimental investigation on the influence of actuation phase, amplitude and geometrical boundary conditions.
In: EPJ Web of Conferences, 67
doi: 10.1051/epjconf/20146702079
Artikel, Bibliographie
Dies ist die neueste Version dieses Eintrags.
Kurzbeschreibung (Abstract)
Till today, factors influencing the formation and collapse of densely distributed, interacting cavitation bubbles are only qualitatively understood. The aim of the present study is to investigate experimentally the influence of selected boundary conditions on the number and size distribution of cavitation bubbles created by an ultrasonic horn (sonotrode). Cavitation bubble clouds below the sonotrode were recorded by means of phase-locked shadowgraphy imaging. The time integrated number of cavitation bubbles was found to decrease exponentially with growing bubble radius. The number of bubbles was increased with growing actuation amplitude and gap width between the sonotrode tip and an opposing solid wall. Furthermore, it could be shown that the number of cavitation bubbles depends on the actuation phase. Future investigations will focus on establishing a statistical relation between the number and size distribution of cavitation bubbles in the near wall region and the resulting cavitation erosion on solid surfaces.
| Typ des Eintrags: | Artikel |
|---|---|
| Erschienen: | 2014 |
| Autor(en): | Müller, Saskia ; Fischper, Maurice ; Mottyll, Stephan ; Skoda, Romuald ; Hussong, Jeanette |
| Art des Eintrags: | Bibliographie |
| Titel: | Analysis of the cavitating flow induced by an ultrasonic horn – Experimental investigation on the influence of actuation phase, amplitude and geometrical boundary conditions |
| Sprache: | Englisch |
| Publikationsjahr: | 2014 |
| Verlag: | EDP Sciences |
| Titel der Zeitschrift, Zeitung oder Schriftenreihe: | EPJ Web of Conferences |
| Jahrgang/Volume einer Zeitschrift: | 67 |
| DOI: | 10.1051/epjconf/20146702079 |
| Zugehörige Links: | |
| Kurzbeschreibung (Abstract): | Till today, factors influencing the formation and collapse of densely distributed, interacting cavitation bubbles are only qualitatively understood. The aim of the present study is to investigate experimentally the influence of selected boundary conditions on the number and size distribution of cavitation bubbles created by an ultrasonic horn (sonotrode). Cavitation bubble clouds below the sonotrode were recorded by means of phase-locked shadowgraphy imaging. The time integrated number of cavitation bubbles was found to decrease exponentially with growing bubble radius. The number of bubbles was increased with growing actuation amplitude and gap width between the sonotrode tip and an opposing solid wall. Furthermore, it could be shown that the number of cavitation bubbles depends on the actuation phase. Future investigations will focus on establishing a statistical relation between the number and size distribution of cavitation bubbles in the near wall region and the resulting cavitation erosion on solid surfaces. |
| Zusätzliche Informationen: | EFM13 – Experimental Fluid Mechanics 2013 |
| Sachgruppe der Dewey Dezimalklassifikatin (DDC): | 600 Technik, Medizin, angewandte Wissenschaften > 600 Technik 600 Technik, Medizin, angewandte Wissenschaften > 620 Ingenieurwissenschaften und Maschinenbau |
| Fachbereich(e)/-gebiet(e): | 16 Fachbereich Maschinenbau 16 Fachbereich Maschinenbau > Fachgebiet Strömungslehre und Aerodynamik (SLA) |
| Hinterlegungsdatum: | 02 Aug 2024 12:34 |
| Letzte Änderung: | 02 Aug 2024 12:34 |
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| Suche nach Titel in: | TUfind oder in Google |
Verfügbare Versionen dieses Eintrags
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Analysis of the cavitating flow induced by an ultrasonic horn – Experimental investigation on the influence of actuation phase, amplitude and geometrical boundary conditions. (deposited 30 Nov 2020 15:48)
- Analysis of the cavitating flow induced by an ultrasonic horn – Experimental investigation on the influence of actuation phase, amplitude and geometrical boundary conditions. (deposited 02 Aug 2024 12:34) [Gegenwärtig angezeigt]
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