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Journal Articles

Linear Quadratic Regulator Optimal Control of Two-Rotor Wind Turbine Mounted on Spar-Type Floating Platform

Omar El Beshbichi, Yihan Xing, Muk Chen Ong

J. Offshore Mech. Arct. Eng. April 2023, 145(2): 022001.

Paper No: OMAE-22-1055

DOI: https://doi.org/10.1115/1.4055552

Published Online: October 7, 2022

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Topics: Blades, Control equipment, Design, Generators, Optimal control, Rotors, Spar platforms, Wind turbines, Wind velocity, Wing spars

Journal Articles

Mooring Analysis of a Dual-Spar Floating Wind Farm With a Shared Line

Guodong Liang, Zhiyu Jiang, Karl Merz

J. Offshore Mech. Arct. Eng. December 2021, 143(6): 062003.

Paper No: OMAE-20-1207

DOI: https://doi.org/10.1115/1.4050965

Published Online: May 10, 2021

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Topics: Design, Mooring, Spar platforms, Wing spars, Modeling, Wire, Eigenvalues, Stiffness, Surges, Chain

Journal Articles

A Comparison of the Turbine Tower Damping Effects of a Series of Back Twisted Active Pitch-to-Stall Blades for a Spar and a Semi-Submersible FOWT

Dawn Ward, Maurizio Collu, Joy Sumner

J. Offshore Mech. Arct. Eng. December 2021, 143(6): 062002.

Paper No: OMAE-20-1034

DOI: https://doi.org/10.1115/1.4050803

Published Online: May 4, 2021

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Topics: Blades, Fatigue life, Semi-submersible offshore structures, Spar platforms, Turbines, Wind velocity, Wing spars, Turbulence, Wind

Journal Articles

A Numerical Prediction on the Transient Response of a Spar-Type Floating Offshore Wind Turbine in Freak Waves

Yan Li, Xiaoqi Qu, Liqin Liu, Peng Xie, Tianchang Yin, Yougang Tang

J. Offshore Mech. Arct. Eng. December 2020, 142(6): 062004.

Paper No: OMAE-19-1243

DOI: https://doi.org/10.1115/1.4047202

Published Online: June 2, 2020

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Topics: Waves, Mooring, Stress, Spar platforms, Wing spars, Simulation

Journal Articles

Numerical Modeling and Analysis of a Hybrid-Spar Floating Wind Turbine

Tomoaki Utsunomiya, Iku Sato, Osamu Kobayashi, Takashi Shiraishi, Takashi Harada

J. Offshore Mech. Arct. Eng. June 2019, 141(3): 031903.

Paper No: OMAE-17-1221

DOI: https://doi.org/10.1115/1.4041994

Published Online: January 17, 2019

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Topics: Computer simulation, Energy generation, Floating wind turbines, Simulation, Spar platforms, Wing spars, Stress, Wind turbines, Design, Dynamic analysis

Journal Articles

Effect of Axial Acceleration on Drivetrain Responses in a Spar-Type Floating Wind Turbine

Amir R. Nejad, Erin E. Bachynski, Torgeir Moan

J. Offshore Mech. Arct. Eng. June 2019, 141(3): 031901.

Paper No: OMAE-17-1209

DOI: https://doi.org/10.1115/1.4041996

Published Online: January 17, 2019

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Topics: Bearings, Floating wind turbines, Spar platforms, Stress, Wing spars, Waves, Wind velocity

Journal Articles

Natural Frequency Analysis of a Spar-Type Offshore Wind Turbine Tower With End Mass Components

Kan Ye, Jinchen Ji

J. Offshore Mech. Arct. Eng. December 2018, 140(6): 064501.

Paper No: OMAE-17-1218

DOI: https://doi.org/10.1115/1.4040240

Published Online: June 28, 2018

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Topics: Offshore wind turbines, Spar platforms, Springs, Stiffness, Wind turbines, Wing spars, Torsion, Free vibrations, Floating wind turbines, Density

Journal Articles

Long-Term Extreme Load Prediction of Spar and Semisubmersible Floating Wind Turbines Using the Environmental Contour Method

D. Karmakar, Hasan Bagbanci, C. Guedes Soares

J. Offshore Mech. Arct. Eng. April 2016, 138(2): 021601.

Paper No: OMAE-13-1078

DOI: https://doi.org/10.1115/1.4032099

Published Online: January 6, 2016

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Topics: Design, Semi-submersible offshore structures, Spar platforms, Stress, Wind velocity, Wing spars, Waves, Floating wind turbines, Reliability

Journal Articles

Comparison of Spar and Semisubmersible Floater Concepts of Offshore Wind Turbines Using Long-Term Analysis

Hasan Bagbanci, D. Karmakar, C. Guedes Soares

J. Offshore Mech. Arct. Eng. December 2015, 137(6): 061601.

Paper No: OMAE-13-1093

DOI: https://doi.org/10.1115/1.4031312

Published Online: September 7, 2015

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Topics: Floating wind turbines, Semi-submersible offshore structures, Spar platforms, Transfer functions, Waves, Wing spars, North Atlantic Ocean, Seas, Offshore wind turbines, Surges

Journal Articles

A Review of Floating Platform Concepts for Offshore Wind Energy Generation

K. P. Thiagarajan, H. J. Dagher

J. Offshore Mech. Arct. Eng. May 2014, 136(2): 020903.

Paper No: OMAE-13-1010

DOI: https://doi.org/10.1115/1.4026607

Published Online: March 24, 2014

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Topics: Ocean engineering, Semi-submersible offshore structures, Spar platforms, Stability, Tension-leg platforms, Wind energy, Wing spars, Water, Wind, Turbines

Journal Articles

Experimental Comparison of Three Floating Wind Turbine Concepts

Andrew J. Goupee, Bonjun J. Koo, Richard W. Kimball, Kostas F. Lambrakos, Habib J. Dagher

J. Offshore Mech. Arct. Eng. May 2014, 136(2): 020906.

Paper No: OMAE-13-1003

DOI: https://doi.org/10.1115/1.4025804

Published Online: March 24, 2014

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Topics: Buoys, Floating wind turbines, Mooring, Seas, Semi-submersible offshore structures, Spar platforms, Spectra (Spectroscopy), Stress, Surges, Tension-leg platforms

Journal Articles

Aero-Elastic-Control-Floater-Mooring Coupled Dynamic Analysis of Floating Offshore Wind Turbine in Maximum Operation and Survival Conditions

Y. H. Bae, M. H. Kim

J. Offshore Mech. Arct. Eng. May 2014, 136(2): 020902.

Paper No: OMAE-12-1079

DOI: https://doi.org/10.1115/1.4025029

Published Online: March 24, 2014

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Topics: Blades, Hull, Mooring, Offshore wind turbines, Rotors, Shear (Mechanics), Spar platforms, Spectra (Spectroscopy), Waves, Wind

Journal Articles

Model Tests for a Floating Wind Turbine on Three Different Floaters

Bonjun J. Koo, Andrew J. Goupee, Richard W. Kimball, Kostas F. Lambrakos

J. Offshore Mech. Arct. Eng. May 2014, 136(2): 020907.

Paper No: OMAE-13-1004

DOI: https://doi.org/10.1115/1.4024711

Published Online: March 24, 2014

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Topics: Buoys, Calibration, Floating wind turbines, Semi-submersible offshore structures, Spar platforms, Tension-leg platforms, Waves, Wind, Wind turbines, Wing spars

Journal Articles

Latching Control of an Oscillating Water Column Spar-Buoy Wave Energy Converter in Regular Waves

J. C. C. Henriques, A. F. O. Falcão, R. P. F. Gomes, L. M. C. Gato

J. Offshore Mech. Arct. Eng. May 2013, 135(2): 021902.

Paper No: OMAE-12-1023

DOI: https://doi.org/10.1115/1.4007595

Published Online: February 25, 2013

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Topics: Buoys, Spar platforms, Turbines, Water, Waves, Wing spars, Optimization, Wave energy converters

Journal Articles

An Overview of Relevant Aspects on VIM of Spar and Monocolumn Platforms

Rodolfo T. Gonçalves, Guilherme F. Rosetti, André L. C. Fujarra, Kazuo Nishimoto

J. Offshore Mech. Arct. Eng. February 2012, 134(1): 014501.

DOI: https://doi.org/10.1115/1.4003698

Published Online: October 13, 2011

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Topics: Damping, Hull, Spar platforms, Wing spars, Waves, Silencers

Journal Articles

Extreme Dynamic Structural Response Analysis of Catenary Moored Spar Wind Turbine in Harsh Environmental Conditions

Madjid Karimirad, Torgeir Moan

J. Offshore Mech. Arct. Eng. November 2011, 133(4): 041103.

DOI: https://doi.org/10.1115/1.4003393

Published Online: April 12, 2011

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Topics: Mooring, Simulation, Spar platforms, Stress, Waves, Wind, Wind turbines, Wind velocity, Floating wind turbines, Wing spars

Journal Articles

Estimating the Energy Production Capacity of a Taut-Moored Dual-Body Wave Energy Conversion System Using Numerical Modeling and Physical Testing

D. Elwood, S. C. Yim, E. Amon, A. von Jouanne, T. K. A. Brekken

J. Offshore Mech. Arct. Eng. August 2011, 133(3): 031102.

DOI: https://doi.org/10.1115/1.4003184

Published Online: March 29, 2011

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Topics: Buoys, Energy generation, Generators, Mooring, Spar platforms, Wave energy, Waves, Wing spars, Significant wave heights, Damping

Journal Articles

Experimental Force Characterization and Numerical Modeling of a Taut-Moored Dual-Body Wave Energy Conversion System

D. Elwood, S. C. Yim, E. Amon, A. von Jouanne, T. K. A. Brekken

J. Offshore Mech. Arct. Eng. February 2010, 132(1): 011102.

DOI: https://doi.org/10.1115/1.3160535

Published Online: December 21, 2009

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Topics: Buoys, Generators, Spar platforms, Stress, Wave energy, Wing spars, Mooring, Electromagnetic force, Friction, Waves

Journal Articles

Linear and Nonlinear Approach of Hydropneumatic Tensioner Modeling for Spar Global Performance

Chan K. Yang, M. H. Kim

J. Offshore Mech. Arct. Eng. February 2010, 132(1): 011601.

DOI: https://doi.org/10.1115/1.3160468

Published Online: December 21, 2009

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Topics: Friction, Keel, Modeling, Pipeline risers, Risers (Casting), Spar platforms, Springs, Tension, Wing spars, Hull

Journal Articles

Active and Passive Control of Spar Vortex-Induced Motions

R. A. Korpus, S. Liapis

J. Offshore Mech. Arct. Eng. November 2007, 129(4): 290–299.

DOI: https://doi.org/10.1115/1.2746400

Published Online: February 9, 2007

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Topics: Boundary layers, Cylinders, Design, Drag (Fluid dynamics), Flow (Dynamics), Reynolds number, Reynolds-averaged Navier–Stokes equations, Spar platforms, Surface roughness, Vortices

Journal citation

NARROW

Linear Quadratic Regulator Optimal Control of Two-Rotor Wind Turbine Mounted on Spar-Type Floating Platform

Mooring Analysis of a Dual-Spar Floating Wind Farm With a Shared Line

A Comparison of the Turbine Tower Damping Effects of a Series of Back Twisted Active Pitch-to-Stall Blades for a Spar and a Semi-Submersible FOWT

A Numerical Prediction on the Transient Response of a Spar-Type Floating Offshore Wind Turbine in Freak Waves

Numerical Modeling and Analysis of a Hybrid-Spar Floating Wind Turbine

Effect of Axial Acceleration on Drivetrain Responses in a Spar-Type Floating Wind Turbine

Natural Frequency Analysis of a Spar-Type Offshore Wind Turbine Tower With End Mass Components

Long-Term Extreme Load Prediction of Spar and Semisubmersible Floating Wind Turbines Using the Environmental Contour Method

Comparison of Spar and Semisubmersible Floater Concepts of Offshore Wind Turbines Using Long-Term Analysis

A Review of Floating Platform Concepts for Offshore Wind Energy Generation

Experimental Comparison of Three Floating Wind Turbine Concepts

Aero-Elastic-Control-Floater-Mooring Coupled Dynamic Analysis of Floating Offshore Wind Turbine in Maximum Operation and Survival Conditions

Model Tests for a Floating Wind Turbine on Three Different Floaters

Latching Control of an Oscillating Water Column Spar-Buoy Wave Energy Converter in Regular Waves

An Overview of Relevant Aspects on VIM of Spar and Monocolumn Platforms

Extreme Dynamic Structural Response Analysis of Catenary Moored Spar Wind Turbine in Harsh Environmental Conditions

Estimating the Energy Production Capacity of a Taut-Moored Dual-Body Wave Energy Conversion System Using Numerical Modeling and Physical Testing

Experimental Force Characterization and Numerical Modeling of a Taut-Moored Dual-Body Wave Energy Conversion System

Linear and Nonlinear Approach of Hydropneumatic Tensioner Modeling for Spar Global Performance

Active and Passive Control of Spar Vortex-Induced Motions

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