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Low Froude number ventilated cavities developed behind a disk cavitator, in a horizontal flow, under the influence of a vertical gravity field are considered. Pulsation is shown to occur in two different regions on the CQσ phase map, the hysteresis region and at vent rates greater than those necessary to maintain twin vortex cavities. Two conditions are necessary to initiate pulsation. One condition is a ventilation rate too great for either re-entrant jet or twin vortex closure regimes. The other condition is a finite amplitude pressure wave needs to force the cavity into pulsation.

Introduction
Methods
Results
Conclusions
Acknowledgments
References
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Contents

ASME Press Select Proceedings

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

Figures & Tables

References

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