Application of a Panel Method in Performance Prediction of Cavitating and Non-cavitating Tip Loaded Propellers

9th International Symposium on Cavitation

Su, Yiran^1 ; Kinnas, Spyros A.^1

Ocean Engineering Group, Department of Civil, Architectural and Environmental Engineering, University of Texas at Austin, Austin

TX

78712, United States^1

关键词: Boundary layer corrections;    Cavitating;    Cavitation model;    Computational accuracy;    Panel methods;    Performance prediction;    Trailing edges;   

Others  :  https://iopscience.iop.org/article/10.1088/1742-6596/656/1/012140/pdf
DOI  :  10.1088/1742-6596/656/1/012140

来源: IOP

【 摘 要 】

A panel method is applied to predict the performance of tip loaded propeller with and without cavitation modeling. For fully wetted cases, the geometry of the wake is shown to be critical to the computational accuracy. To align the wake surface, two methods are proposed and the full wake alignment scheme behaves better then PSF2 alignment. The boundary layer correction can also improve the pressure distribution especially near the trailing edge region. Finally, for cavitating cases, the results based on full wake alignment tend to create larger cavitation region and higher cavitation thickness compared to results based on PSF2 alignment.