风电用多轴向经编织物的结构设计

THE STRUCTURE DESIGN OF MULTIAXIAL WARP KNITTED FABRIC IN WIND POWER GENERATION

多轴向经编技术是一种新型的多头衬纬编织技术,该技术生产的多轴向经编织物具有尺寸稳定、延伸率小等特点,在产业用领域已受到广泛的重视。本文介绍了多轴向经编织物的结构与性能以及纱层方向的表示方法,从风力发电机叶片结构、多轴向经编织物材料、叶片受力分析、制造工艺方面详细介绍了多轴向经编织物在风力发电机叶片中的应用,以双斜向经编织物为例,采用WKCAD设计仿真并分析。

Multiaxial warp knitted technology is the way that can lay-in more weft at the same time,the multiaxial warp knitted fabric produced by this technology has stable size,small elongation and other characteristics,has been appreciated in the industrial field extensively.This paper introduces the structure and performance of multiaxial warp knitted fabric and the method to show the direction of the lay-in yarn,introduces the application of multiaxial warp knitted fabric in wind power generation in detail including the structure of the blade,the materials,the stress analysis of the blade and the manufacturing process.As a example of biaxial warp knitted fabric,design and analysis it based on WKCAD.