Baseline design of the deep turbine installation-floating, a new floating wind concept

Jordi Serret, Tahsin Tezdogan, Tim Stratford, Philipp R. Thies, Vengatesan Venugopal

Research output: Contribution to conferencePaper

Abstract

This paper presents the preliminary design of the Deep Turbine Installation-Floating (DTI-F) concept. The DTI-F concept is a hybrid spar buoy-based floating offshore substructure capable of supporting a 7MW wind turbine with the uniqueness of being able to raise and lower the tower and nacelle, which simplifies construction, installation, maintenance, and decommissioning.
A relevant subset of design load cases (DLCs) derived from the International Electrotechnical Commission (ICE) standards is simulated with NREL-FAST software, and the aero-elastic loads are used for the structural assessment.
The paper presents the principal dimensions and crucial hydrostatic and hydrodynamic properties. The floating platform with three different mooring configurations is designed using ANSYS AQWA software, and the design is validated with experiments in laboratory conditions. The paper evaluates the design regarding the natural frequencies and the stability of the platform for a chosen site off the Scottish coast.
Further, a novel construction method, the materials chosen for the construction, and the installation and assembly processes are also outlined.

Conference

ConferenceASME 2019 38th International Conference on Ocean, Offshore and Arctic Engineering, OMAE 2019
CountryUnited Kingdom
CityGlasgow
Period9/06/1914/06/19

Fingerprint

Turbines
Mooring
Wind turbines
Towers
Coastal zones
Natural frequencies
Hydrodynamics
Experiments

Keywords

  • ocean renewable energy
  • floating wind turbines
  • offshore wind energy

Cite this

Serret, J., Tezdogan, T., Stratford, T., Thies, P. R., & Venugopal, V. (2019). Baseline design of the deep turbine installation-floating, a new floating wind concept. Paper presented at ASME 2019 38th International Conference on Ocean, Offshore and Arctic Engineering, OMAE 2019, Glasgow, United Kingdom.
Serret, Jordi ; Tezdogan, Tahsin ; Stratford, Tim ; Thies, Philipp R. ; Venugopal, Vengatesan. / Baseline design of the deep turbine installation-floating, a new floating wind concept. Paper presented at ASME 2019 38th International Conference on Ocean, Offshore and Arctic Engineering, OMAE 2019, Glasgow, United Kingdom.9 p.
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Serret, J, Tezdogan, T, Stratford, T, Thies, PR & Venugopal, V 2019, 'Baseline design of the deep turbine installation-floating, a new floating wind concept' Paper presented at ASME 2019 38th International Conference on Ocean, Offshore and Arctic Engineering, OMAE 2019, Glasgow, United Kingdom, 9/06/19 - 14/06/19, .

Baseline design of the deep turbine installation-floating, a new floating wind concept. / Serret, Jordi; Tezdogan, Tahsin; Stratford, Tim; Thies, Philipp R.; Venugopal, Vengatesan.

2019. Paper presented at ASME 2019 38th International Conference on Ocean, Offshore and Arctic Engineering, OMAE 2019, Glasgow, United Kingdom.

Research output: Contribution to conferencePaper

TY - CONF

T1 - Baseline design of the deep turbine installation-floating, a new floating wind concept

AU - Serret, Jordi

AU - Tezdogan, Tahsin

AU - Stratford, Tim

AU - Thies, Philipp R.

AU - Venugopal, Vengatesan

PY - 2019/6/10

Y1 - 2019/6/10

N2 - This paper presents the preliminary design of the Deep Turbine Installation-Floating (DTI-F) concept. The DTI-F concept is a hybrid spar buoy-based floating offshore substructure capable of supporting a 7MW wind turbine with the uniqueness of being able to raise and lower the tower and nacelle, which simplifies construction, installation, maintenance, and decommissioning.A relevant subset of design load cases (DLCs) derived from the International Electrotechnical Commission (ICE) standards is simulated with NREL-FAST software, and the aero-elastic loads are used for the structural assessment.The paper presents the principal dimensions and crucial hydrostatic and hydrodynamic properties. The floating platform with three different mooring configurations is designed using ANSYS AQWA software, and the design is validated with experiments in laboratory conditions. The paper evaluates the design regarding the natural frequencies and the stability of the platform for a chosen site off the Scottish coast. Further, a novel construction method, the materials chosen for the construction, and the installation and assembly processes are also outlined.

AB - This paper presents the preliminary design of the Deep Turbine Installation-Floating (DTI-F) concept. The DTI-F concept is a hybrid spar buoy-based floating offshore substructure capable of supporting a 7MW wind turbine with the uniqueness of being able to raise and lower the tower and nacelle, which simplifies construction, installation, maintenance, and decommissioning.A relevant subset of design load cases (DLCs) derived from the International Electrotechnical Commission (ICE) standards is simulated with NREL-FAST software, and the aero-elastic loads are used for the structural assessment.The paper presents the principal dimensions and crucial hydrostatic and hydrodynamic properties. The floating platform with three different mooring configurations is designed using ANSYS AQWA software, and the design is validated with experiments in laboratory conditions. The paper evaluates the design regarding the natural frequencies and the stability of the platform for a chosen site off the Scottish coast. Further, a novel construction method, the materials chosen for the construction, and the installation and assembly processes are also outlined.

KW - ocean renewable energy

KW - floating wind turbines

KW - offshore wind energy

M3 - Paper

ER -

Serret J, Tezdogan T, Stratford T, Thies PR, Venugopal V. Baseline design of the deep turbine installation-floating, a new floating wind concept. 2019. Paper presented at ASME 2019 38th International Conference on Ocean, Offshore and Arctic Engineering, OMAE 2019, Glasgow, United Kingdom.