Blar i SINTEF Open på forfatter "Berthelsen, Petter Andreas"

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    • 1st DeepWind 5 MW Baseline design 

      Paulsen, Uwe S.; Vita, Luca; Madsen, Helge A.; Hattel, Jesper; Ritchie, Ewen; Leban, Krisztina; Berthelsen, Petter Andreas; Carstensen, Stefan (Journal article; Peer reviewed, 2012)
      The first 5MW baseline design of the DeepWind concept is presented for a Darrieus type floating wind turbine system for water depths of more than 150 m. This design will be used as design reference to test the next ...

    • Calibration of Hydrodynamic Coefficients for a Semi-Submersible 10 MW Wind Turbine 

      Kvittem, Marit Irene; Berthelsen, Petter Andreas; Eliassen, Lene; Thys, Maxime (ASME 2018 37th International Conference on Ocean, Offshore and Arctic Engineering, Volume 10: Ocean Renewable Energy;OMAE2018-77826, Chapter, 2018-06-22)
      Hydrodynamic model tests and numerical simulations may be combined in a complementary manner during the design and qualification of new offshore structures. In the EU H2020 project LIFES50+ (lifes50plus.eu), a model test ...

    • DeepWind-from Idea to 5 MW Concept 

      Paulsen, Uwe S.; Madsen, Helge A.; Kragh, Knud A.; Nielsen, Per H.; Baran, I; Hattel, Jesper; Ritchie, Ewen; Leban, Krisztina; Svendsen, Harald Georg; Berthelsen, Petter Andreas (Journal article; Peer reviewed, 2014)
      The DeepWind concept has been described previously on challenges and potentials, this new offshore floating technology can offer to the wind industry [1]. The paper describes state of the art design improvements, new ...

    • Definition of the INO WINDMOOR 12 MW base case floating wind turbine 

      Silva de Souza, Carlos Eduardo; Berthelsen, Petter Andreas; Eliassen, Lene; Bachynski, Erin Elizabeth; Engebretsen, Espen; Haslum, Herbjørn (SINTEF Ocean rapporter;OC2020 A-044, Research report, 2021-01-08)
      WINDMOOR is a Competence Building Project (KPN), with the main objective of improving the under-standing of loads governing the mooring system design of floating wind turbines (FWTs). As a base case, the project adopts a ...

    • Effect of the Beam Element Geometric Formulation on the Wind Turbine Performance and Structural Dynamics 

      Delhaye, Virgile Roger; Karimirad, Madjid; Berthelsen, Petter Andreas (ASME Digital colletion;OMAE2017-61779, Chapter, 2017-06-25)
      In this paper, the original double symmetric cross section beam formulation in RIFLEX used to model the blades is compared against a newly implemented generalised beam formulation, allowing for eccentric mass, shear and ...

    • Identification of wave drift force QTFs for the INO WINDMOOR floating wind turbine based on model test data and comparison with potential flow predictions 

      Fonseca, Nuno; Thys, Maxime; Berthelsen, Petter Andreas (Peer reviewed; Journal article, 2021)
      The paper presents a comparison between empirical and numerical quadratic transfer functions (QTFs) of the horizontal wave drift loads on the INO WINDMOOR floating wind turbine. The empirical QTFs are determined from cross ...

    • Integrated simulation challenges with the DeepWind floating vertical axis wind turbine concept 

      Verelst, David; Madsen, Helge Aa.; Borg, Michael; Paulsen, Uwe S.; Svendsen, Harald Georg; Berthelsen, Petter Andreas (Journal article, 2015)
      This paper presents the experiences and challenges with concurrently carrying out numerical model development, integrated simulations and design of a novel floating vertical axis wind turbine, the DeepWind concept. The ...

    • Integrated simulation challenges with the DeepWind floating vertical axis wind turbine concept 

      Verelst, David; Madsen, Helge Aa.; Borg, Michael; Paulsen, Uwe S.; Svendsen, Harald Georg; Berthelsen, Petter Andreas (Journal article; Peer reviewed, 2015)
      This paper presents the experiences and challenges with concurrently carrying out numerical model development, integrated simulations and design of a novel floating vertical axis wind turbine, the DeepWind concept. The ...

    • Numerical Investigation of Irregular Breaking Waves for Extreme Wave Spectra Using CFD 

      Aggarwal, Ankit; Alagan Chella, Mayilvahanan; Bihs, Hans; Pakozdi, Csaba; Berthelsen, Petter Andreas; Arntsen, Øivind Asgeir (;ISOPE-I-17-460, Chapter, 2017-06)
      Offshore structures are exposed to irregular sea states. It consists of breaking and non-breaking waves. They experience breaking wave loads perpetually after being installed in the open ocean. Thus, the study of wave ...

    • Numerical simulation and comparison with experiments of a floating wind turbine using a direct forcing method 

      Berthelsen, Petter Andreas; Thys, Maxime; Kamath, Arun Mulky; Martin, Tobias; Bihs, Hans Sebastian (Chapter; Peer reviewed, 2022)
      The open-source Computational Fluid Dynamic (CFD) code REEF3D is used to simulate the hydrodynamic loads and motion response of a floating wind turbine substructure, the INO WINDMOOR semi-submersible floating wind turbine. ...

    • OC2018 A-116 - Loads, design and operation of floaters in the Arctic - Ptil – NORD ST20 

      Ommani, Babak; Berthelsen, Petter Andreas; Firoozkoohi, Reza (SINTEF Ocean rapporter;OC2018 A-116, Research report, 2018-12-11)
      This report presents results from hydrodynamic analysis of interaction between glacial ice and semisubmersible drilling units, as part of the Petroleum Safety Authority's project "NORD ST20 Loads, design and operation of ...

    • On Common Research Needs for the Next Generation of Floating Support Structures 

      Aksnes, Vegard Øgård; Alsos, Hagbart Skage; Bachynski-Polic, Erin Elizabeth; Berthelsen, Petter Andreas; Delhaye, Virgile Roger; Furevik, Birgitte Rugaard; Jostad, Hans Petter; Kristiansen, Trygve; Ommani, Babak (Chapter; Peer reviewed, 2022)
      The world is facing several industrial and societal challenges, such as providing enough renewable energy and enough safe and healthy food as formulated in the United Nations sustainable development goals. Using floating ...

    • Outcomes of the DeepWind conceptual design 

      Paulsen, Uwe S.; Borg, Michael; Madsen, Helge Aa.; Pedersen, Troels Friis; Hattel, Jesper; Ritchie, Ewen; Ferreira, C. Simoa; Svendsen, Harald; Berthelsen, Petter Andreas; Smadja, Charles (Journal article, 2015)
      DeepWind has been presented as a novel floating offshore wind turbine concept with cost reduction potentials. Twelve international partners developed a Darrieus type floating turbine with new materials and technologies for ...

    • Outcomes of the DeepWind conceptual design 

      Paulsen, Uwe S.; Borg, Michael; Madsen, Helge Aa.; Pedersen, Troels Friis; Hattel, Jesper; Ritchie, Ewen; Ferreira, C. Simoa; Svendsen, Harald; Berthelsen, Petter Andreas; Smadja, Charles (Journal article; Peer reviewed, 2015)
      DeepWind has been presented as a novel floating offshore wind turbine concept with cost reduction potentials. Twelve international partners developed a Darrieus type floating turbine with new materials and technologies for ...