Numerical study on prediction and discrimination methods of propeller tip vortex cavitation inception

Tip vortex cavitation is typically the first type of in real ship propellers due to scale effect. To lessen or eliminate propeller noise, it necessary effectively identify and predict tip initiation run as far possible “non-cavitation area.” However, for current numerical computation, impossible determine minimum pressure at core directly correctly, making difficult anticipate vortex. In this paper, based on computational fluid dynamics (CFD) calculations model proposed by Xin [Proceedings 2013 Ship Hydrodynamics Conference (2013), pp. 211–218], we propose a new prediction method initiation—“the method.” The solved CFD calculation model, downstream examined cavitation. We examine inception using compare results obtained coefficient vapor volume method. It discovered that number closer experimental results. Furthermore, effects different turbulence models grid settings are investigated, providing an effective reference initiation.