SIMULATION SUCCESS STORIES

Xi Engineering Simulates Vibrations in Wind Turbines

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Xi Engineering Consultants Ltd, Edinburgh, UK

Xi Engineering Consultants Ltd 专门研究复杂的振动问题,例如由风力发电机产生的振动。风力发电机齿轮箱中的轮齿啮合会导致大量振动,而且噪音过大。这就有个问题,因为欧洲和北美有严格的监管标准限制这些结构允许发出的噪音。

研究设计数据使工程师们可以断定齿轮箱是噪音和振动的根源,而且它正被塔的钢结构表面放大。使用该结构的 COMSOL 模型,他们能够定位噪音被放大位置的热点并测试各种解决方案。解决方案是使用一种特定材料来涂覆塔的内部并降低放大效果。由于材料成本高昂,他们使用 COMSOL 来确定使噪音水平低于规定标准所必需的最小材料数量。

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