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Proceedings of the 10th International Symposium on Cavitation (CAV2018)

Editor
Joseph Katz
Joseph Katz
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ISBN:
9780791861851
No. of Pages:
1108
Publisher:
ASME Press
Publication date:
2018

Transient cavitation induced loads are investigated in a flow region subject to severe cavitation erosion at an ultrasonic horn test facility operated in indirect mode, both experimentally and via CFD. A variation of gap width and sensor position is used to vary flow aggressiveness. The experimental technique utilizes piezoelectric sensors based on Polyvinylidene fluordide (PVDF). Sensors are employed at the stationary specimen in close proximity to the oscillating horn tip and wall load spectra are obtained. Complementary CFD studies emulate the experimental sensor. Flow aggressiveness decreases when the gap is widened and increases towards the stationary specimen center. Results from experiment and simulation show good quantitative agreement.

1.
Introduction
2.
Experimental Configuration
3.
Numerical Method and Numerical Sensor
4.
Results
5.
Conclusion
6.
References
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