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典型文献
Hydrodynamic Performance of A Dual-Floater Integrated System Com-bining Hybrid WECs and Floating Breakwaters
文献摘要:
The high investment and low return of wave energy converters(WECs)seriously hamper their large-scale commercial application.The integration of WECs and floating breakwaters is conducive to enhance the competitiveness of wave energy conversion.The objective of this paper is to investigate the hydrodynamic performance of a WEC-breakwater integrated system combining an upstream oscillating water column(OWC)and a downstream oscillating buoy(OB)via numerical simulations and physical experiments.A nonlinear numerical wave flume using Star-CCM+software is employed to obtain calculated results,where a tiny transverse gap is set between the flume wall and the block surface to simulate a similar two-dimensional(2D)model.The corresponding physical experiments are also carried out in a practical wave flume to verified the numerical results.The comparison of the isolated and hybrid system shows that the hybrid design leads to the decreased conversion efficiency of each WEC,but improves the transmission performance of the hybrid system.The wave resonance between two devices causes the abrupt reduction of OWC efficiency and a positive correlation exists with the OB efficiency.The total efficiency of the hybrid system is raised by an optimal opening ratio,a shallow OWC draft and a short spacing distance.Except for the OWC draft,other design parameters have weak effect on the wave attenuation of the hybrid system.This paper can help understand hydrodynamics of the hybrid WECs integrated with breakwaters and improve their performances.
文献关键词:
作者姓名:
FU Lei;CHENG Yong
作者机构:
School of Naval Architecture and Ocean Engineering,Jiangsu University of Science and Technology,Zhenjiang 212100,China
引用格式:
[1]FU Lei;CHENG Yong-.Hydrodynamic Performance of A Dual-Floater Integrated System Com-bining Hybrid WECs and Floating Breakwaters)[J].中国海洋工程(英文版),2022(06):969-979
A类:
Floater,WECs,Breakwaters,CCM+software
B类:
Hydrodynamic,Performance,Dual,Integrated,System,Com,Hybrid,Floating,high,investment,return,wave,energy,converters,seriously,hamper,their,large,scale,commercial,application,integration,floating,breakwaters,conducive,enhance,competitiveness,conversion,objective,this,paper,investigate,integrated,system,combining,upstream,oscillating,column,OWC,downstream,buoy,OB,via,numerical,simulations,physical,experiments,nonlinear,flume,using,Star,employed,obtain,calculated,results,where,tiny,transverse,gap,set,between,wall,block,surface,simulate,similar,two,dimensional,2D,model,corresponding,also,carried,out,practical,verified,comparison,isolated,hybrid,shows,that,design,leads,decreased,efficiency,each,but,improves,transmission,resonance,devices,causes,abrupt,reduction,positive,correlation,exists,total,raised,by,optimal,opening,shallow,draft,short,spacing,distance,Except,other,parameters,have,weak,effect,attenuation,This,can,help,understand,hydrodynamics,performances
AB值:
0.548842
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