INNWIND.EU D4.2.4 - Results of wave tank tests - Second submission

Aug 25, 2026

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Report delivers the results of floating wind model wave tank tests conducted at ECN and DHI during 2014–2015, with a second submission version dated July 31, 2016. The study covers the semisubmersible test campaign and TLP test campaign, including coordinate systems, scaling laws, platform and tower properties, wind turbine rotor and ducted fan models, mooring system setup, and external basin and wind generation conditions. It also details verification of scaled model characteristics, sensor systems, test runs, and selected outcomes, supported by EC funding under FP7-ENERGY-2012-1-2STAGE grant agreement 308974.

LanguageEnglish

CategoryResearch & Report

FormatPDF

Pages114

Reading Time4 h 47 min

AccessFree to download

Nomenclature

1. INTRODUCTION

2. SEMISUBMERSIBLE TEST CAMPAIGN

2.1 Coordinate Systems

2.2 Scaling Laws

2.3 Platform Scaled Model

2.4 Tower properties

2.5 Wind Turbine: Low-Reynolds Rotor

2.6 Wind Turbine: Ducted Fan

2.7 Mooring System

2.8 External Conditions

2.9 Verification of the scaled model characteristics

2.10 Sensors

2.11 Test Runs

2.12 Selected Results

2.13 Acknowledgements

3. TLP TEST CAMPAIGN

3.1 Floater concept and coordinate system

3.2 Dynamic-elastic scaling

INNWIND.EU D4.2.4: Results of wave tank tests Description of Floating Wind Model Tests at ECN and DHI (09/2014-01/2015) Second Submission Agreement n.: 308974 Duration November 2012 – October 2017 Co-ordinator: DTU Wind The research leading to these results has received funding from the European Community’s Seventh Framework Programme FP7-ENERGY-2012-1-2STAGE under grant agreement No. 308974 (INNWIND. EU) . Document information Document Name: Document Number: Author: Document Type Dissemination level Review: Date: WP: Task: Approval: | D4 .2.4: Results of wave tank tests | | --- | | Deliverable D4 .2.4 | | José Azcona, Frank Lemmer (né Sandner), Denis Matha, Florian Amann, Carlo Luigi Bottasso, Pierluigi Montinari, Petros Chassapoyannis, Konstantinos Diakakis, Spyros Voutsinas, Ricardo Pereira, Henrik Bredmose, Robert Mikkelsen, Robert Laugesen and Anders Mandrup Hansen | | Report | | PU | V2 July 31, 2016 4 4.2 Approved by Task Leader TABLE OF CONTENTS TABLE OF CONTENTS ............................................................................................................................. 3 Nomenclature ........................................................................................................................................ 6 1. INTRODUCTION ................................................................................................................................ 7 2. SEMISUBMERSIBLE TEST CAMPAIGN ............................................................................................ 8 2.1 Coordinate Systems ............................................................................................................. 8 2.2 Scaling Laws ......................................................................................................................... 9 2.3 Platform Scaled Model ...................................................................................................... 10 2.3.1 General Characteristics ........................................................................................................ 10 2.3.2 Geometry ............................................................................................................................... 11 2.3.3 Mass and Inertial Properties of the Different Model Configurations ................................. 12 2.4 Tower properties ................................................................................................................ 17 2.5 Wind Turbine: Low-Reynolds Rotor ................................................................................... 18 2.5.1 Pitch angle tuning before week 2 tests ...............................................................................23 2.5.2 Pitch angle tuning before week 3 tests ...............................................................................25 2.6 Wind Turbine: Ducted Fan .................................................................................................26 2.7 Mooring System .................................................................................................................28 2.8 External Conditions ............................................................................................................32 2.8.1 Wave Basin ............................................................................................................................32 2.8.2 Wind Generator .....................................................................................................................33 2.9 Verification of the scaled model characteristics ..............................................................34 2.9.1 Assessment of the Re issue: 2D Polars ...............................................................................36 2.9.2 Assesment of control setting .....................................................................................

FAQs

What are the main outputs of the wave tank tests in this report?

The report compiles results from wave tank testing of floating wind models, including selected findings from the semisubmersible and TLP campaigns and verification of scaled model characteristics.

Where were the floating wind model tests conducted?

The description states that floating wind model tests were performed at ECN and DHI.

What key topics are covered in the semisubmersible test campaign?

It includes coordinate systems, scaling laws, platform and tower properties, wind turbine rotor and ducted fan configurations, mooring system and external conditions, followed by sensor description, test runs, and selected results.

Aug 25, 2026

Upload by Liam