重庆大学学报2025，Vol.48Issue(10)：1-10,10.DOI:10.11835/j.issn.1000-582X.2025.10.001
基于剖面分割的大型风力发电机叶片三维覆冰增长特性分析
Analysis of three-dimensional icing characteristics of large wind turbine blades based on profile segmentation
摘要
Abstract
Ice accretion is a crucial factor affecting the safe and stable operation of wind turbines.Developing a numerical model for simulating ice formation on wind turbine blades is essential for predicting icing phenomena.Although the finite element method is currently the most widely used approach,it is computationally intensive and inefficient for large-scale applications.This study focuses on the blades of a 300 kW wind turbine,employing a profile segmentation method to investigate water droplet impact,freezing,and ice accretion morphology changes on blade surfaces.A multiphase flow simulation model for air and liquid on the blade surface is developed,and formulas for local and overall collision and freezing coefficients are derived.This approach enables characterization of overall water droplet impact and freezing behavior with reduced computational load.Results reveal that the water droplet collision coefficient decreases gradually from the blade tip toward the root,with reductions exceeding 80%in the maximum values of β1 and α1 at approximately 0.5R.Maximum water droplet capture occurs near the blade tip(0.8R to 0.9R),while significant ice accretion predominantly occurs between 0.5R and R.The overflow effect of the water film results in low freezing coefficients in the droplet collision zone but higher values in the overflow region.Furthermore,closer to the blade tip,ice growth exhibits greater iterative shape changes,and reduced linearity in the ice accretion rate.关键词
风力发电机/覆冰/水滴碰撞/边界元Key words
wind turbine blade/icing/water droplet collision/icing accretion morphology分类
信息技术与安全科学引用本文复制引用
范才进,牛唯,卓然,陈沛龙,刘磊,毛先胤,黄欢,杨旗..基于剖面分割的大型风力发电机叶片三维覆冰增长特性分析[J].重庆大学学报,2025,48(10):1-10,10.基金项目
南方电网有限责任公司防冰减灾重点实验室贵州电网公司2022年第一批网级决策科技项目(GZKJXM20220056).Supported by China Southern Power Grid Co.,Ltd.Technology Project(GZKJXM20220056). （GZKJXM20220056）
