风浪流联合作用下半潜式风机与网箱集成系统耦合动力响应特性

Coupled dynamic response characteristics of integrated system combining semi-submersible wind turbine and fish farming cage under wind, wave and current actions

    摘要
  • 摘要:
    目的 旨在研究半潜式风机与网箱集成系统在风浪流作用下的耦合动力特性。
    方法 基于自主设计的SJTU-SPIC半潜型漂浮式风机，提出漂浮式风机和网箱集成系统概念并建立数值仿真模型，采用气动−水动−控制−结构−系泊全耦合分析方法，开展风浪流联合作用下系统耦合动力响应特性研究。
    结果 数值仿真结果表明：加装网箱后会引起更大纵荡运动，但会抑制纵摇运动，有利于提升风机发电稳定性；加装网箱后对系泊载荷和发电功率的影响很小。
    结论 半潜型漂浮式风机与网箱集成系统的动力学特性与原半潜型漂浮式风机类似，该集成系统是可行的。

     

    Abstract:
    Objective This paper aims to study the coupled dynamic response characteristics of an integrated system of a semi-submersible wind turbine and fish farming cage under wind, wave and current actions.
    Method Based on the self-designed semi-submersible wind turbine SJTU-SPIC, an integrated floating wind turbine and fish farming cage concept is proposed and numerically modeled. The dynamic response characteristics of the integrated concept under wind, wave and current actions are then studied using coupled aero-hydro-servo-elastic-mooring analysis.
    Results The numerical simulations indicate that introducing the fish farming cage can induce slightly a larger surge motion but suppress the pitch, which is beneficial for wind power production.
    Conclusion The dynamic behavior of the integrated system of a semi-submersible wind turbine and fish farming cage proposed herein is similar to that of a floating wind turbine, and the system is shown to be feasible.

     

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