FLUENTTM求解器在螺旋桨耦合系统水动力分析中的应用
Application of FLUENTTM solver in hydrodynamic analysis of propeller coupling system
翟又文1
作者信息
- 1. 昆明学院机电工程学院,云南昆明 650214
- 折叠
摘要
本文研究了数值计算方法,着重分析网格划分和控制方程,分析湍流的数值模型,重点探究涡粘模型的数学表达方式,并对k-ε模型以及k-ω模型2种两方程模型进行分析,并给出不同位置下的壁面流动速度变化曲线;对船舶螺旋桨的特性进行分析,给出效率和推力在不同推进系数下的变化曲线;对船体螺旋桨耦合系统进行仿真,并对水动力特性进行分析.本文研究有助于我国船舶螺旋桨技术的快速发展.
Abstract
This article studies numerical calculation methods,focusing on grid partitioning and control equations.It analyzes the numerical model of turbulence,focuses on exploring the mathematical expression of vortex viscosity model,and applies k-ε Model and k-ω Two types of two equation models were analyzed,and the variation curves of wall flow velocity at different positions were provided.Analyzed the characteristics of ship propellers and provided the variation curves of effi-ciency and thrust under different propulsion coefficients.A simulation was conducted on the coupling system of the ship's propeller,and the hydrodynamic characteristics were analyzed.This study contributes to the rapid development of ship pro-peller technology in China.
关键词
螺旋桨/耦合系统/水动力Key words
propeller/coupling system/hydrodynamic force引用本文复制引用
基金项目
云南省科技厅基础研究计划(202101BA070001-002)
出版年
2024
NETL
NSTL
万方数据