Extreme Loading on FOWT under Complex Environmental Conditions

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Title
Extreme Loading on FOWT under Complex Environmental Conditions

CoPED ID
07eaf62b-361c-47d4-8132-b7aac1c104af

Status
Active

Funders

Value
£706,310

Start Date
Oct. 14, 2019

End Date
June 29, 2023

Description

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The offshore wind industry has experienced significant growth in recent years, and continues to expand both in the UK and worldwide. Most of the offshore wind turbines installed to date are located in relatively shallow water and are mounted on fixed bottom support structures. Given the limitation of suitable shallow water sites available with high wind resources and also to reduce the environmental and visual impact of turbines, it is necessary to extend wind turbines to deeper water through the development of floating offshore wind turbine (FOWT) systems, which mount wind turbines on floating support platforms.

The project aims to fill an important gap in the design, manufacturing and testing of emerging FOWT techniques by specifically characterising extreme loading on FOWTs under complex and harsh marine environments. These are typically represented by storm conditions consisting of strong wind, extreme waves, significant current, rising sea level and complex interplay between these elements, through a coordinated campaign of both advanced CFD modelling and physical wave tank tests. This has direct relevance to the current and planned activities in the UK to develop this new technology in offshore wind.

In addition, the project aims to develop a suite of hierarchical numerical models that can be applied routinely for both fast and detailed analysis of the specific flow problem of environmental (wind, wave, current) loading and dynamic responses of FOWTs under realistic storm conditions. As an integral part of the project, a new experimental programme will be devised and conducted in the COAST laboratory at the University of Plymouth, providing improved understanding of the underlying physics and for validating the numerical models. Towards the end of the project, fully documented CFD software and experimental data sets will be released to relevant industrial users and into the Public Domain, so that they may be used to aid the design of future support structures of FOWTs and to secure their survivability with an extended envelope of safe operation for maximum power output.


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Potential Impact:
The proposed project will directly tackle a fundamental challenge for emerging floating offshore wind turbine (FOWT) systems under harsh marine environments and will gain better understanding of aerodynamics, hydrodynamics and wind-wave-current-structure interaction involved, through developing robust CFD codes and carrying out intensive numerical investigations, alongside cutting edge experiments for benchmarking validation and deeper understanding. Direct beneficiaries of the robust computer code and new experimental data sets for FOWTs in complex environmental conditions will be companies in the offshore and renewables industries. The new techniques developed and the new knowledge advanced in this project will benefit other academics who carry out research on fixed and floating offshore wind turbines and other offshore structures such as marine renewable energy converters.

To ensure the maximum impact of the project, a number of routes for its dissemination to potential end-users (the academic and industrial CFD research community; the renewable energy and offshore industry) have been identified, which include: (1) training in the developed numerical models through workshops and webinars; (2) scientific and technical conferences; (3) journal publications; (4) direct engagement with project partners; (5) participating in the CCP-WSI, PRIMaRE and Supergen ORE Hub research dissemination and networking activities; and (6) public engagement. A project web site and Wiki will be set up to facilitate the discussion of topics related to the research, and to publish reports, open source codes and information on workshop and training events.

Ling Qian PI_PER
Derek Causon COI_PER
Clive Mingham COI_PER

Subjects by relevance
  1. Wind energy
  2. Wind power stations
  3. Renewable energy sources
  4. Wind
  5. Turbines
  6. Development (active)

Extracted key phrases
  1. Offshore wind turbine
  2. Offshore wind industry
  3. Extreme Loading
  4. Complex Environmental Conditions
  5. Offshore industry
  6. High wind resource
  7. Offshore structure
  8. Strong wind
  9. Suitable shallow water site available
  10. FOWT
  11. Project web site
  12. New experimental datum set
  13. Marine renewable energy converter
  14. Renewable industry
  15. Future support structure

Related Pages

UKRI project entry

UK Project Locations