Stochastic Response Analysis for a Floating Offshore Wind Turbine Integrated with a Steel Fish Farming Cage

A state-of-the-art concept integrating a deepwater floating offshore wind turbine with a steel fish-farming cage (FOWT-SFFC) is presented in this paper. The configurations of this floating structure are given in detail, showing that the multi-megawatt wind turbine sitting on the cage foundation poss...

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Main Authors: Xiang Yuan Zheng, Yu Lei
Format: Article
Language:English
Published: MDPI AG 2018-07-01
Series:Applied Sciences
Subjects:
Online Access:http://www.mdpi.com/2076-3417/8/8/1229
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author Xiang Yuan Zheng
Yu Lei
author_facet Xiang Yuan Zheng
Yu Lei
author_sort Xiang Yuan Zheng
collection DOAJ
description A state-of-the-art concept integrating a deepwater floating offshore wind turbine with a steel fish-farming cage (FOWT-SFFC) is presented in this paper. The configurations of this floating structure are given in detail, showing that the multi-megawatt wind turbine sitting on the cage foundation possesses excellent hydrostatic stability. The motion response amplitude operators (RAOs) calculated by the potential-flow program WAMIT demonstrate that the hydrodynamic performance of FOWT-SFFC is much better than OC3Hywind spar and OC4DeepCwind semisubmersible wind turbines. The aero-hydro-servo-elastic modeling and time-domain simulations are carried out by FAST to investigate the dynamic response of FOWT-SFFC for several environmental conditions. The short-term extreme stochastic response reveals that the dynamic behavior of FOWT-SFFC outperforms its counterparts. From the seakeeping and structural dynamic views, it is a very competitive and promising candidate in offshore industry for both power exploitation and aquaculture in deep waters.
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spelling doaj.art-33f2b74fd270430f8014daed9b055de42022-12-22T00:22:27ZengMDPI AGApplied Sciences2076-34172018-07-0188122910.3390/app8081229app8081229Stochastic Response Analysis for a Floating Offshore Wind Turbine Integrated with a Steel Fish Farming CageXiang Yuan Zheng0Yu Lei1Division of Ocean Science and Technology, Tsinghua University, Graduate School at Shenzhen, Shenzhen 518055, ChinaDivision of Ocean Science and Technology, Tsinghua University, Graduate School at Shenzhen, Shenzhen 518055, ChinaA state-of-the-art concept integrating a deepwater floating offshore wind turbine with a steel fish-farming cage (FOWT-SFFC) is presented in this paper. The configurations of this floating structure are given in detail, showing that the multi-megawatt wind turbine sitting on the cage foundation possesses excellent hydrostatic stability. The motion response amplitude operators (RAOs) calculated by the potential-flow program WAMIT demonstrate that the hydrodynamic performance of FOWT-SFFC is much better than OC3Hywind spar and OC4DeepCwind semisubmersible wind turbines. The aero-hydro-servo-elastic modeling and time-domain simulations are carried out by FAST to investigate the dynamic response of FOWT-SFFC for several environmental conditions. The short-term extreme stochastic response reveals that the dynamic behavior of FOWT-SFFC outperforms its counterparts. From the seakeeping and structural dynamic views, it is a very competitive and promising candidate in offshore industry for both power exploitation and aquaculture in deep waters.http://www.mdpi.com/2076-3417/8/8/1229floating offshore wind turbinefish farming cagestabilitymotion RAOsdynamic effectshort-term extreme response
spellingShingle Xiang Yuan Zheng
Yu Lei
Stochastic Response Analysis for a Floating Offshore Wind Turbine Integrated with a Steel Fish Farming Cage
Applied Sciences
floating offshore wind turbine
fish farming cage
stability
motion RAOs
dynamic effect
short-term extreme response
title Stochastic Response Analysis for a Floating Offshore Wind Turbine Integrated with a Steel Fish Farming Cage
title_full Stochastic Response Analysis for a Floating Offshore Wind Turbine Integrated with a Steel Fish Farming Cage
title_fullStr Stochastic Response Analysis for a Floating Offshore Wind Turbine Integrated with a Steel Fish Farming Cage
title_full_unstemmed Stochastic Response Analysis for a Floating Offshore Wind Turbine Integrated with a Steel Fish Farming Cage
title_short Stochastic Response Analysis for a Floating Offshore Wind Turbine Integrated with a Steel Fish Farming Cage
title_sort stochastic response analysis for a floating offshore wind turbine integrated with a steel fish farming cage
topic floating offshore wind turbine
fish farming cage
stability
motion RAOs
dynamic effect
short-term extreme response
url http://www.mdpi.com/2076-3417/8/8/1229
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