Development of a High‐fidelity Experimental Substructure Test Rig for Grid‐scored Sandwich Panels in Wind Turbine Blades
Development of a High‐fidelity Experimental Substructure Test Rig for Grid‐scored Sandwich Panels in Wind Turbine Blades
复制标题
开发用于风力涡轮机叶片网格刻划夹层板的高保真实验子结构测试台
DOI：
10.1111/str.12072
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发表时间：
2014
期刊：
影响因子：
2.1
通讯作者：
Ole Thybo Thomsen
中科院分区：
文献类型：
--
作者：
Steffen Laustsen;Erik Lund;L. Kühlmeier;Ole Thybo Thomsen
本文概述了构成现代风力机叶片气动外壳的夹层板的高保真试验子结构试验。对复合材料风力机叶片进行了全尺寸结构实验和数值表征。详细介绍了全尺寸数值模式的发展过程，并描述了必要的实验装置。此外，将数值计算结果与实验结果进行了比较，并给出了所选叶片子结构的一组理想边界条件。在此基础上，提出了适合于描述已建立的载荷和边界条件的试验台的研制，并对一些初步的试验结果进行了讨论。这项工作为高保真试验子结构试验的发展提供了路线图，在更一般的条件下，适用于类似的复合材料风力机叶片子结构试验的发展。此外，还提出了在风力机叶片中使用网格划痕夹层结构的建议，其中概述了准静态强度对既定加载条件的敏感性。
This paper outlines high‐fidelity experimental substructure testing of sandwich panels which constitute the aerodynamic outer shell of modern wind turbine blades. A full‐scale structural experimental and numerical characterisation of a composite wind turbine blade has been conducted. The development of a full‐scale numerical model is detailed, and the necessary experimental set‐up is described. Further, the numerical and experimental results obtained are compared, and an idealised set of boundary conditions for a chosen blade substructure is presented. From this, the development of a test rig suitable for representing the established loading and boundary conditions is presented, and some preliminary experimental results are discussed. The work provides a road map for developing high‐fidelity experimental substructure tests, which in more generic terms are applicable to similar developments of substructure tests for composite wind turbine blades. Furthermore, recommendations on the use of grid‐scored sandwich structures in wind turbine blades are presented, which outline the sensitivity in terms of quasi‐static strength to the established loading conditions.