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本文提出一种适用于50~120 m水深的新型半潜式浮式风机,用频域法研究浮式平台的水动力特性,通过建立风机-塔筒-浮式平台-系泊系统全耦合分析模型,考虑二阶差频波浪力作用,对其开展风、浪、流联合作用下的时域分析,重点分析不同流速条件下新型半潜式浮式风机耦合动力响应特性。分析结果表明:新型半潜式浮式风机结构设计合理,其固有周期能较好地避开波浪能量密集的周期范围,有效避免了共振发生;风浪条件一定的情况下,流速增大将使新型半潜式浮式风机的最大纵荡响应和锚链拉力显著增大,但对纵摇和艏摇响应有一定程度的抑制作用。流速变化对基础垂荡运动和发电功率影响较小。 相似文献
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For the tripod bucket jacket foundations used in offshore wind turbines, the probable critical tilt angles should be avoided during tilt adjustment operation. Thus, these critical values must be identified by engineers, and remedial techniques must be established prior to the occurrence of the problem. Model tests were carried out for typical tilting conditions of tripod bucket foundations, which were allowed to tilt freely at various penetration depths without interruption by manual operation. ... 相似文献
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