华中科技大学学报（自然科学版）2025，Vol.53Issue(4)：79-84,6.DOI:10.13245/j.hust.250767
艉部伴流作用下螺旋桨激励载荷特性研究
Study on characteristics of propeller excitation force under stern wake
摘要
Abstract
Aiming at the problem of obtaining propeller excitation loads under stern wake effects,a study on the characteristics of propeller excitation loads under stern wake was conducted based on Computational Fluid Dynamics(CFD)combined with Large Eddy Simulation(LES)methods.A forecasting method and process for propeller excitation loads under stern wake were established,and the effectiveness of the method was verified by comparing the results with experimental data from standard propellers in the literature.The distribution of vortex systems around the propeller under stern wake was analyzed,and the influence of inflow velocity and rotational speed parameters on propeller excitation loads was investigated.Study show that under stern wake effects,a vortex system consisting of tip vortices,trailing-edge vortices,and hub vortices is formed behind the propeller,and the propeller excitation load increases with the increase of inflow velocity and rotational speed.Within the inflow velocity range of 2 to 5 m/s,for every 1 m/s increase in velocity,the average fluctuating pressure level behind the tail increases by about 5 dB,while the effect of changes in rotational speed is relatively small.关键词
来流速度/转速/涡系分布/螺旋桨激励载荷/艉部伴流Key words
incoming velocity/rotational speed/vortex system distribution/propeller excitation load/stern wake分类
交通运输引用本文复制引用
孙国仓,刘翱,周福昌,庞福振..艉部伴流作用下螺旋桨激励载荷特性研究[J].华中科技大学学报（自然科学版）,2025,53(4):79-84,6.基金项目
国家自然科学基金资助项目(52471322). （52471322）
