Research on wind turbine blade coating erosion modeling based on Generic modeling

Yuantian Xue, Changcheng Song, Chenlai Yang
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Abstract

In order to improve the accuracy of the prediction of the erosion phenomenon of wind turbine blade coatings, this study incorporates the wind-sand erosion data of wind turbine blade coating flat specimens obtained through wind tunnel experiments on the basis of the widely used generalized erosion model. A prediction model that accurately reflects the erosion and wear characteristics of wind turbine blade coatings is constructed using the least squares method. All the function parts included in the model showed favorable fitting effects, and the error between the model prediction results and the measured data was limited to a tolerable range. Therefore, the model has proved to be effective in predicting the erosion rate of wind turbine blade coating materials, which provides a solid theoretical foundation for the numerical simulation of the erosion and wear of wind turbine blades in a two-phase wind-sand flow environment.
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基于通用建模的风力涡轮机叶片涂层侵蚀建模研究
为了提高风电叶片涂层侵蚀现象预测的准确性,本研究在广泛使用的广义侵蚀模型的基础上,结合风洞实验所获得的风电叶片涂层平面试样的风沙侵蚀数据。采用最小二乘法构建了一个能准确反映风电叶片涂层侵蚀和磨损特性的预测模型。模型中的所有函数部分都显示出良好的拟合效果,模型预测结果与测量数据之间的误差被限制在可容忍的范围内。因此,该模型可有效预测风电叶片涂层材料的侵蚀速率,为风沙两相流环境下风电叶片侵蚀和磨损的数值模拟提供了坚实的理论基础。
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