INNWIND.EU scaled experiments of the OC4-DeepCwind semi-submersible

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Lemmer, Frank; Azcona, José; Bredmose, Henrik; Borisade, Friedemann; Campagnolo, Filippo; Heilskov, Nicolai Francis; Kaufer, Daniel; Kim, Yusik; Klein, Levin; Koch, Christian; Lutz, Thorsten; Manjock, Andreas; Manolas, Dimitris; Robertson, Amy; Jonkman, Jason; Wendt, Fabian; Vittori, Felipe; Voutsinas, Spyros, 2020, "INNWIND.EU scaled experiments of the OC4-DeepCwind semi-submersible", https://doi.org/10.18419/darus-513, DaRUS, V1

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Description	A floating wind test campaign was conducted within INNWIND.EU at LHEEA Nantes/France in 2014. The tested model is the OC4-DeepCwind semi-submersible in a scale of 1:45. The scaled 5MW rotor has re-designed blades with large chord to yield the Froude-scaled thrust force. In order to test also a 10MW system, wind/wave conditions of a scaling ratio of 1:60 were tested, with an adjusted rotor speed and blade pitch angle. The scaled model was modified in order to compensate the excess nacelle mass (due to actuators) by placing ballast underneath the original keel depth. (2020-01-14)
Subject	Engineering
Keyword	Wind energy, Floating wind turbine
Related Publication	Lemmer, F., Azcona, J., Matha, D., Amann, F., Campagnolo, F., Bredmose, H., & Montinari, P. (2014). INNWIND.EU D4.24: Floating wind model tests Ecole Centrale de Nantes 2014.http://www.innwind.eu/-/media/Sites/innwind/Publications/Deliverables/230117/D4-24_Final_V2.ashx
Notes	An overview of the experimentally measured test cases and information about the model parameters deployed in the simulations can be found in the Excel-file "000_DataIndex_INNWIND_ECN1409_shortened.xlsx". The corresponding data files (Matlab binary format) can be found in the directory "ECN1409". Information on the sensors can be found in INNWIND.EU D4.24, Section 2.10. The filenames follow the convention to contain parameter names and their values with the decimal point replaced by "d". A reference set of input parameters for the USTUTT low-order simulation model SLOW is also given in the excel file. All parameters can be found in D4.24. The SLOW input data is without further explanation and included as a complementary reference.
Data Generation	Experiment
License/Data Use Agreement	CC BY 4.0

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	000_DataIndex_INNWIND_ECN1409_shortened.xlsx MS Excel Spreadsheet - 41.1 KB Published Feb 14, 2020 131 Downloads MD5: 67097f041053730b9a66767034d5379e Documentation	Access File File Access Public Download Options MS Excel Spreadsheet Download Metadata Data File Citation EndNote XML RIS BibTeX
	SimulationModelParametersSLOW.csv Comma Separated Values - 2.5 KB Published Feb 14, 2020 183 Downloads MD5: aeac17cf2c3c57a39daaa1143503b09c SimulationModelParametersSLOW spreadsheet of 000_DataIndex_INNWIND_ECN1409_shortened.xlsx as csv Documentation	Preview "SimulationModelParametersSLOW.csv" Access File File Access Public Download Options Comma Separated Values Download Metadata Data File Citation EndNote XML RIS BibTeX
	TestRunsSelection.csv Comma Separated Values - 8.2 KB Published Feb 14, 2020 159 Downloads MD5: 6e01e51bb2bd3e3a27c34691cdf4c0ed TestRunsSelection spreadsheet of 000_DataIndex_INNWIND_ECN1409_shortened.xlsx as csv Documentation	Preview "TestRunsSelection.csv" Access File File Access Public Download Options Comma Separated Values Download Metadata Data File Citation EndNote XML RIS BibTeX
	014IrregH0d052_T0d84_v1d1_10MW.mat ECN1409/Advanced_Cases/MATLAB Data - 76.0 MB Published Feb 14, 2020 142 Downloads MD5: 1ebcb65110420ace8f15366090e71a76 Data	Access File File Access Public Download Options MATLAB Data Download Metadata Data File Citation EndNote XML RIS BibTeX
	015IrregH0d061_T0d82_v1d04_5MW.mat ECN1409/Advanced_Cases/MATLAB Data - 76.1 MB Published Feb 14, 2020 153 Downloads MD5: 3dfedbb6105b1852b2edd06f799ff1b7 Data	Access File File Access Public Download Options MATLAB Data Download Metadata Data File Citation EndNote XML RIS BibTeX
	016IrregH0d069_T0d94_v1d47_10MW.mat ECN1409/Advanced_Cases/MATLAB Data - 75.8 MB Published Feb 14, 2020 102 Downloads MD5: 3e8c279b8f375698b394df2bb31ba6d9 Data	Access File File Access Public Download Options MATLAB Data Download Metadata Data File Citation EndNote XML RIS BibTeX
	017IrregH0d069_T0d94_v1d47_10MW_45deg.mat ECN1409/Advanced_Cases/MATLAB Data - 76.4 MB Published Feb 14, 2020 155 Downloads MD5: 5efe0093ead5d9ab2e8e3939b0be3210 Data	Access File File Access Public Download Options MATLAB Data Download Metadata Data File Citation EndNote XML RIS BibTeX
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	019IrregH0d092_T1d09_v1d56_5MW.mat ECN1409/Advanced_Cases/MATLAB Data - 72.1 MB Published Feb 14, 2020 145 Downloads MD5: 02ea07b9051c5c6ec4b6d0a76541d815 Data	Access File File Access Public Download Options MATLAB Data Download Metadata Data File Citation EndNote XML RIS BibTeX
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Citation Metadata

Persistent Identifier	doi:10.18419/darus-513
Publication Date	2020-02-14
Title	INNWIND.EU scaled experiments of the OC4-DeepCwind semi-submersible
Author	Lemmer, Frank (Universität Stuttgart) - ORCID: 0000-0003-2395-9954 Azcona, José (CENER) - ORCID: 0000-0003-0895-1049 Bredmose, Henrik (DTU) - ORCID: 0000-0001-6961-0753 Borisade, Friedemann (Ramboll) Campagnolo, Filippo (TUM) - ORCID: 0000-0003-3511-7981 Heilskov, Nicolai Francis (DHI) Kaufer, Daniel (Ramboll) Kim, Yusik (Universität Stuttgart) - ORCID: 0000-0002-5366-9459 Klein, Levin (Universität Stuttgart) - ORCID: 0000-0003-0134-9952 Koch, Christian (Universität Stuttgart) Lutz, Thorsten (Universität Stuttgart) Manjock, Andreas (DNVGL) Manolas, Dimitris (NTUA) Robertson, Amy (NREL) Jonkman, Jason (NREL) - ORCID: 0000-0003-2990-7362 Wendt, Fabian (Ramboll) - ORCID: 0000-0003-0219-8703 Vittori, Felipe (CENER) Voutsinas, Spyros (NTUA)
Point of Contact	Use email button above to contact. Lemmer, Frank (Universität Stuttgart)
Description	A floating wind test campaign was conducted within INNWIND.EU at LHEEA Nantes/France in 2014. The tested model is the OC4-DeepCwind semi-submersible in a scale of 1:45. The scaled 5MW rotor has re-designed blades with large chord to yield the Froude-scaled thrust force. In order to test also a 10MW system, wind/wave conditions of a scaling ratio of 1:60 were tested, with an adjusted rotor speed and blade pitch angle. The scaled model was modified in order to compensate the excess nacelle mass (due to actuators) by placing ballast underneath the original keel depth. (2020-01-14)
Subject	Engineering
Keyword	Wind energy Floating wind turbine
Related Publication	Lemmer, F., Azcona, J., Matha, D., Amann, F., Campagnolo, F., Bredmose, H., & Montinari, P. (2014). INNWIND.EU D4.24: Floating wind model tests Ecole Centrale de Nantes 2014. url http://www.innwind.eu/-/media/Sites/innwind/Publications/Deliverables/230117/D4-24_Final_V2.ashx Heilskov, N. F., Azcona, J., Bredmose, H., Borisade, F., Kim, Y., Klein, L., C. Koch, F. Lemmer, T. Lutz, A.Manjock, L Mauser, D. Manolas, A. Pegalajar-Jurado, A. Robertson, J. Jonkman, F. Wendt, F. Vittori, Voutsinas, S. (2016). INNWIND.EU D4.25: Results of codes validation with wave tank tests. url http://www.innwind.eu/-/media/Sites/innwind/Publications/Deliverables/D425_FINAL-V-1-3.ashx
Notes	An overview of the experimentally measured test cases and information about the model parameters deployed in the simulations can be found in the Excel-file "000_DataIndex_INNWIND_ECN1409_shortened.xlsx". The corresponding data files (Matlab binary format) can be found in the directory "ECN1409". Information on the sensors can be found in INNWIND.EU D4.24, Section 2.10. The filenames follow the convention to contain parameter names and their values with the decimal point replaced by "d". A reference set of input parameters for the USTUTT low-order simulation model SLOW is also given in the excel file. All parameters can be found in D4.24. The SLOW input data is without further explanation and included as a complementary reference.
Language	English
Producer	Lemmer, Frank (Universität of Stuttgart) https://www.ifb.uni-stuttgart.de/en/research/windenergy/
Production Date	2020-01-14
Production Location	Nantes, France
Funding Information	European Commission: info:eu-repo/grantAgreement/EC/FP7/308974
Project	INNWIND.EU
Depositor	Lemmer, Frank
Deposit Date	2020-01-14
Time Period	Start Date: 2014-09-22 ; End Date: 2014-11-06
Data Type	experimental data
Related Material	Azcona, J., Bouchotrouch, F., & Vittori, F. (2019). Low‐frequency dynamics of a floating wind turbine in wave tank-scaled experiments with SiL hybrid method. Wind Energy, 22, 1402– 1413. doi: 10.1002/we.2377; Vittori, F., Bouchotrouch, F., Lemmer, F., & Azcona, J. (2018). Hybrid scaled testing of a 5MW floating wind turbine using the SIL method compared with numerical models. In Proceedings of the ASME 37th International Conference on Ocean, Offshore and Arctic Engineering. Madrid, Spain. doi: 10.1115/OMAE2018-77853; Borisade, F., Koch, C., Lemmer, F., Cheng, P. W., & Matha, D. (2017). Validation of INNWIND.EU scaled model tests of a semisubmersible floating wind turbine. International Journal of Offshore and Polar Engineering, 28(1), 54-64. doi: 10.17736/ijope.2018.fv04; Koch, C., Lemmer, F., Borisade, F., Matha, D., & Cheng, P. W. (2016). Validation of INNWIND.EU scaled model tests of a semisubmersible floating wind turbine. In Proceedings of the 26th International Ocean and Polar Engineering Conference. Rhodes, Greece. doi: 10.18419/opus-8967; Koch, C. (2016). Validierung eines gekoppelten Simulationsmodells schwimmender Windkraftanlagen mit Hilfe von Modellversuchen. University of Stuttgart. doi: 10.18419/opus-8907; Sandner, F., Amann, F., Azcona, J., Munduate, X., Bottasso, C., Campagnolo, F., H. Bredmose, A. Manjock, R. Pereira, A. Robertson (2015). Model building and scaled testing of 5MW and 10MW semi-submersible floating wind turbines. In EERA Deepwind. Trondheim, Norway. url: http://www.sintef.no/globalassets/project/eera-deepwind-2015/presentations/e/e2_sandner_univ-stuttgart.pdf; Robertson, A., Jonkman, J., Masciola, M., Song, H., Goupee, A., Coulling, A., & Luan, C. (2014). Definition of the semisubmersible floating system for phase II of OC4. Boulder, USA. url: http://www.nrel.gov/docs/fy14osti/60601.pdf; Bak, C., Zahle, F., Bitsche, R., Kim, T., Yde, A., Henriksen, L., Natarajan, A., Hansen, M. (2013). Description of the DTU 10MW reference wind turbine. Roskilde, Denmark. url: http://www.innwind.eu/-/media/Sites/innwind/Publications/Deliverables/DeliverableD1-21ReferenceWindTurbinereport_INNWIND-EU.ashx; Müller, K., Sandner, F., Bredmose, H., Azcona, J., Manjock, A., & Pereira, R. (2014). Improved tank test procedures for scaled floating offshore wind turbines. International Wind Engineering Conference IWEC. doi: 10.18419/opus-8261; Azcona, J., Sandner, F., Bredmose, H., Manjock, A., Pereira, R., & Campagnolo, F. (2014). INNWIND.EU D4.22: Methods for performing scale-tests for method and model validation. url: http://www.innwind.eu/-/media/Sites/innwind/Publications/Deliverables/DeliverableD4-22-rev02l_INNWIND-EU.ashx
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