船用螺旋桨的三维流场仿真分析

Analysis and Simulation on Three-Dimensional Flow Field of Marine Propellers

文章介绍了计算流体动力学软件在船用螺旋桨三维流场模拟过程中的应用,阐述了过流部件三维CAD模型建立方法、复杂动区域的网格划分方法、三维湍流旋转模型的选择方法,并对输出结果进行了细致的研究。形象直观地得出船用螺旋桨工作时的压力、流场及速度分布情况,并着重分析了产生实验结果的原因。

This paper introduces a computational fluid dynamics software to simulate three-dimensional flow of marine propeller applications, describes the 3D-CAD model building process, complex moving mesh division methods of the region, three-dimensional rotating turbulence model selection and analysis of the results. The conclusion of the pressure distribution and the velocity distribution of the ship's propeller are drawn directly and vividly, and the reasons of the experimental results are analyzed emphatically.