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Process Modeling of Composite Materials for Wind-Turbine Rotor Blades: Experiments and Numerical Modeling

机译:风力涡轮机转子叶片复合材料的过程建模:实验和数值建模

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摘要

The production of rotor blades for wind turbines is still a predominantly manual process. Process simulation is an adequate way of improving blade quality without a significant increase in production costs. This paper introduces a module for tolerance simulation for rotor-blade production processes. The investigation focuses on the simulation of temperature distribution for one-sided, self-heated tooling and thick laminates. Experimental data from rotor-blade production and down-scaled laboratory tests are presented. Based on influencing factors that are identified, a physical model is created and implemented as a simulation. This provides an opportunity to simulate temperature and cure-degree distribution for two-dimensional cross sections. The aim of this simulation is to support production processes. Hence, it is modelled as an in situ simulation with direct input of temperature data and real-time capability. A monolithic part of the rotor blade, the main girder, is used as an example for presenting the results.
机译:风力涡轮机的转子叶片的生产仍然主要是手工过程。工艺模拟是提高叶片质量的适当方法,而不会显着增加生产成本。本文介绍了用于转子叶片生产过程公差模拟的模块。该研究侧重于对单面,自热模具和厚层压板的温度分布进行仿真。给出了来自转子叶片生产和缩小规模的实验室测试的实验数据。基于确定的影响因素,创建物理模型并将其实现为模拟。这提供了模拟二维截面的温度和固化度分布的机会。此模拟的目的是支持生产过程。因此,可将其建模为直接输入温度数据和实时功能的原位仿真。以转子叶片的整体部分(主梁)为例,介绍了结果。

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