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[tm - Technisches Messen] Kavitationsdetektion mittels Self-Sensing-Ultraschallwandler.pdf (902.77 kB)

Kavitationsdetektion mittels self-sensing-ultraschallwandler

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journal contribution
posted on 2023-06-09, 09:32 authored by Peter Bornmann, Tobias Hemsel, Walter Sextro, Gianluca MemoliGianluca Memoli, Mark Hodnett, Bajram Zeqiri
Many processes in chemistry can be enhanced by ultrasound assistance. In many cases ultrasound induced cavitation is the main reason for these enhancements. Therefore, it is desired to quantify cavitation activity during the process to optimize sonication for various processes and monitor cavitation activity throughout the process. One possibility to monitor cavitation activity is to measure the acoustic emissions of oscillating and collapsing cavitation bubbles by hydrophones in the liquid. However, harsh environments often coming along with chemical processes complicate the application of sensors in the liquid. Thus, this contribution discusses the applicability of the feedback of cavitation on the driving signals of the ultrasound transducer itself as possible alternative for cavitation monitoring. The measurement results show that the threshold of inertial cavitation could be detected based on the current signal of the transducer. Some indicators can even be used to distinguish between the two types of cavitation. However, to evaluate the strength of cavitation the application of a cavitation sensor is recommended.

History

Publication status

  • Published

File Version

  • Published version

Journal

Technisches Messen

ISSN

0171-8096

Publisher

Oldenbourg Verlag

Issue

2

Volume

82

Page range

73-84

Pages

73.0

ISBN

21967113

Department affiliated with

  • Informatics Publications

Research groups affiliated with

  • Creative Technology Publications

Notes

Unmapped bibliographic data: J2 - teme [Field not mapped to EPrints]

Full text available

  • Yes

Peer reviewed?

  • Yes

Legacy Posted Date

2018-01-02

First Open Access (FOA) Date

2018-01-02

First Compliant Deposit (FCD) Date

2018-01-02

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