Rim-driven thrusters are shaftless combined special propellers developed in recent years.Compared with traditional propellers,rim-driven thrusters face many challenges in hydrodynamic design and performance analysis.Thus,research on hydrodynamic performance plays an important role in the design and application of rim-driven thrusters.This paper aims to discuss the influence of geometric parameters on the hydrodynamic performance of rim-driven thrusters.Based on the basic model of a seven-blade rim-driven thruster and the theory of the panel ele-ment method,the working state of a rim-driven thruster in open waters is numerically simulated using the compiled program code of the panel element method.By solving the velocity field of each panel element,the hydrodynamic performance and pressure distribution on the blade surface of the rim-driven thruster are calculated.Further,typi-cal geometric characteristics,such as pitch ratio and number of blades,are selected for variable parameter analy-sis.The open-water performance of the rim-driven thruster is studied by comparing different geometric parameters.The results show that related research methods and conclusions in this paper have reference value for the design and development of rim-driven thrusters.
关键词
面元法/轮缘推进器/水动力/螺距比/侧斜角/盘面比/桨叶数/敞水性能
Key words
panel element method/rim-driven thruster/hydrodynamic force/pitch ratio/skew angle/panel area ratio/number of blades/open-water performance
维普
万方数据