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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

Sheet to cloud cavitation over a sharp wedge is studied at Re = 203, 000 using large eddy simulations. Transition of sheet cavity into the cloud due to the propagation of condensation fronts as observed in the experiments by Ganesh et. al., is investigated using a finite rate homogeneous mixture model. Presence of condensation front in the simulations is illustrated using the instantaneous flow field. Mean void fractions obtained using LES as well as from simulations performed without considering the spanwise variation (i.e. in 2D) are compared to the X-ray densitometry showing good agreement. Strouhal frequency of periodic shedding of cloud and propagation speed of the front is computed. The transport of vorticity is investigated using the vorticity transport equation.

Introduction
Physical Model and Numerical Method
Results
Conclusion
Acknowledgments
References
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