FLOATECH WP3 Experimental Wave Database

FLOATECH is a Horizon 2020 project funded under the Energy programme (LC-SC3-RES-31-2020 - Offshore wind basic science and balance of plant). The consortium is coordinated by TU Berlin and implemented by 9 partners from 4 EU countries. The project runs from January 2021 to December 2023 and has received a budget of 4 Million € from the European Commission over these 3 years.

FLOATECH aims at increasing the technical maturity and the cost competitiveness of floating offshore wind energy. This will be achieved by two types of actions:

The development, implementation and validation of a user-friendly and efficient design engineering tool (named QBlade-Ocean) performing simulations of floating offshore wind turbines with unseen aerodynamic and hydrodynamic fidelity. The more advanced modelling theories will lead to a reduction of the uncertainties in the design process and an increase of turbine efficiency.

The development of two innovative control techniques (i.e. Active Wave-based feed-forward Control and the Active Wake Mixing) for Floating Wind Turbines and floaters, combining wave prediction and anticipation of induced platform motions. This is expected to reduce the wake effects in floating wind farms, leading to a net increase in the annual energy production of the farm.

The Work Package 3 of FLOATECH focuses on the advanced feed-forward wave-based control strategies for floating offshore wind turbines (FOWTs). This includes a prediction of the hydrodynamic force acting on the FOWT’s platform to mitigate the response of the structure while enhancing its performance.

The experimental work carried out in Centrale Nantes in the context of this work package contains three experimental campaigns, listed below:

    C1: Measurement of wave fields, used to perform a wave elevation prediction at the turbine’s position;

    C2: FOWT in operations, development and validation of the 1-component aerodynamic force actuator, including force feedback loop and control to reproduce accurately the target aerodynamic thrust. The considered FOWT is the DTU 10 MW wind turbine supported by a spar platform designed at Centrale Nantes (Arnal, 2020);

    C3: same FOWT in operations, including the feed-forward wave-based control with both a 1-component and a 6-component aerodynamic force actuators.

This database presents the results of the campaign C1 as well as the prediction of the free surface elevation acting on the FOWT’s platform.

FLOATECH是一项隶属于欧盟地平线2020计划（Horizon 2020）的能源专项科研项目，资助编号为LC-SC3-RES-31-2020，主题为海上风电基础科学与风电场配套系统（balance of plant）。本项目合作联盟由柏林工业大学（TU Berlin）牵头，汇聚了来自4个欧盟国家的9家合作机构。项目周期为2021年1月至2023年12月，欧盟委员会将在三年间为其提供总额400万欧元的项目经费。

FLOATECH旨在提升漂浮式海上风电的技术成熟度与成本竞争力，将通过两类核心举措达成该目标：
其一，开发、实施并验证一款易用高效的设计工程工具（命名为QBlade-Ocean），该工具可对漂浮式海上风力发电机组开展具备远超现有水平的气动与水动力保真度的仿真分析。采用更先进的建模理论，将有效降低设计流程中的不确定性，并提升机组运行效率。
其二，为漂浮式风力发电机组及浮体开发两项创新控制技术：主动波浪前馈控制（Active Wave-based feed-forward Control）与主动尾流混合（Active Wake Mixing），该技术融合了波浪预测与平台诱导运动预判能力。预计此举可减弱漂浮式风电场的尾流效应，实现风电场年发电量的净增长。

FLOATECH的第3工作包（Work Package 3）聚焦漂浮式海上风力发电机组（Floating Offshore Wind Turbines, FOWTs）的先进基于波浪前馈的控制策略，具体包括预测作用于FOWT平台的水动力载荷，以抑制结构响应并提升机组整体性能。

为本工作包开展的实验工作由南特中央理工学院（Centrale Nantes）主导，包含三场实验测试，具体如下：
C1：波浪场测量实验，用于实现涡轮机安装位置处的浪高预测；
C2：运行状态下FOWT实验，开发并验证单分量气动力作动器，包含力反馈回路与控制环节，以精准复现目标气动推力。本次实验所用FOWT为搭载由南特中央理工学院设计的立柱式浮体平台（spar platform）的DTU 10 MW风力发电机组（Arnal, 2020）；
C3：运行状态下同款FOWT实验，集成基于波浪前馈的控制技术，同时搭载单分量与六分量气动力作动器。

本数据集收录了C1实验的测试结果，以及作用于FOWT平台的自由表面浪高预测数据。