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Dynamic Response of a Conceptual Designed Articulated Offshore Wind Turbine

Lookup NU author(s): Professor Zhiqiang Hu

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This is the authors' accepted manuscript of an article that has been published in its final definitive form by The American Society of Mechnical Engineers, 2020.

For re-use rights please refer to the publisher's terms and conditions.

Abstract

Focusing on the 75-meter-depth offshore area, an articulated foundation is proposed for supporting NREL 5 MW offshore wind turbine. Through the overall sensitivity check on hydrostatic performance, the main parameters are set to meet the requirements of stability and economy. An in-house code was programmed to simulate the dynamic response of the articulated offshore wind turbine. The aerodynamic load on rotating blades and the wind pressure load on tower are calculated based on the blade element momentum theory and the empirical formula, respectively. The hydrodynamic load is simulated by the 3-D potential flow theory. The motions of foundation, the aerodynamic performance of the wind turbine and the loads on the articulated joint are documented in different cases. According to the simulations, the articulated offshore wind turbine shows feasibility to work in the particular area.

Publication metadata

Author(s): Zhang P, Li Y, Gu J, Yin T, Hu Z, Tang Y

Publication type: Article

Publication status: Published

Journal: Journal of Offshore Mechanics and Arctic Engineering

Year: 2020

Volume: 143

Issue: 2

Print publication date: 01/04/2021

Online publication date: 09/10/2020

Acceptance date: 05/09/2020

Date deposited: 28/10/2020

ISSN (print): 0892-7219

ISSN (electronic): 1528-896X

Publisher: The American Society of Mechnical Engineers

URL: https://doi.org/10.1115/1.4048544

DOI: 10.1115/1.4048544

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