Partial cavity instabilities and re-entrant jet
Résumé
The purpose of this talk is to give an overview of different instabilities which can affect partial cavitation. We shall focus on the case of a unique partial cavity attached to an isolated hydrofoil or to the throat of a Venturi. Another paper presented by Tsujimoto (2001) in this conference is dedicated to cavitation instabilities in turbomachinery, where several cavities are simultaneously present and can interact. In this paper, we have deliberately chosen to emphasize some particular aspects of partial cavity instabilities, especially the re-entrant jet instability and the associated cloud cavitation. Some discussions reflect our personal point of view on a subject still in progress.
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