Influence of liquid water content on wind turbine blade icing by numerical simulation

被引：0

作者：

LI Yan ^{[1
]}

SUN Ce ^{[1
]}

JIANG Yu ^{[1
]}

YI Xian ^{[2
]}

GUO Wenfeng ^{[1
]}

WANG Shaolong ^{[3
]}

FENG Fang ^{[1
]}

机构：

[1] Heilongjiang Provincial Key Laboratory of Technology and Equipment for Utilization of Agricultural Renewable Resources in Cold Region,Northeast Agricultural University

[2] State Key Laboratory of Aerodynamics,China Aerodynamics Research and Development Center

[3] College of Metallurgy & Energy,North China University of Science and Technology

来源：

排灌机械工程学报 | 2019年 / 06期

基金：

中国国家自然科学基金;

关键词：

wind turbine; icing; airfoil; numerical simulation; liquid water content;

D O I：

暂无

中图分类号：

TM315 [风力发电机];

学科分类号：

080801 ;

摘要：

In order to research the influence of liquid water content(LWC) on blade icing of wind turbine,a numerical simulation method for blade icing was established.The numerical simulation was based on low speed viscous N-S equation.The trajectory equation of water droplets was established by Lagrangian method.The mass and energy conservation equations of the water droplets impacting on the surface of the blade were solved based on control body theory.Three sections along blade span wise of a1.5 MW wind turbine were decided to simulate icing.Five kinds of LWC were selected for simulation including 0.2,0.4,0.6,0.8 and 1.0 g/m3 under two ambient temperatures of-10 ℃ and-20 ℃.The medium volume droplet diameter(MVD) was 30 "m.The simulations included icing shape on blade surface,dimensionless icing area and dimensionless maximum stagnation thickness.Furthermore,the flow fields around both the iced blade airfoil and the original one were simulated and analyzed.According to the results,the typical icing characteristics of icing shape,icing area and thickness were greatly affected by the difference of LWCs.This study can provide theoretical reference for the research on antiicing and deicing of wind turbine blade.

引用

页码：513 / 520

页数：8

共 16 条

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