IMECH-IR  > 流固耦合系统力学重点实验室
A New Energy-Absorbing Device for Motion Suppression in Deep-Sea Floating Platforms
Zeng XH (曾晓辉); Yu Y(余杨); Zhang L(张良); Liu QQ(刘青泉); Wu H(吴晗); Yu, Y (reprint author), Chinese Acad Sci, Inst Mech, Beijing 100190, Peoples R China.
Source PublicationEnergies
2015-01
Volume8Issue:1Pages:111-132
ISSN1996-1073
AbstractDeep-sea floating platforms are one of the most important large structures for ocean energy exploitation. A new energy-absorbing device named S-shaped Tuned Liquid Column Damper (TLCD) has been invented for the suppression of the horizontal motion and vertical in-plane rotation of a deep-sea floating platform. A conventional tuned liquid column damper has a U-shaped water tunnel to absorb the excessive energy of the main structure. The application of U-shaped dampers in deep-sea floating platforms is difficult due to the restriction of a large horizontal length. A novel S-shaped damper is proposed to retain the same amount of liquid using a shorter S-shaped tunnel. Theoretical and experimental works are conducted and prove that an S-shaped damper needs less than half the horizontal length to provide the same suppression as a U-shaped damper. A coupling calculation model is proposed and followed by the sensitivity analysis. The study demonstrates the applicability of the novel S-shaped damper for the motion suppression in deep-sea floating platforms.
KeywordNovel S-shaped Tlcd Deep-sea Floating Platforms Motion Suppression Sensitivity Analysis
Subject AreaEnergy & Fuels
DOI10.3390/en8010111
URL查看原文
Indexed BySCI ; EI
Language英语
WOS IDWOS:000348403800006
WOS KeywordLIQUID COLUMN DAMPERS ; TENSION LEG PLATFORM ; RESPONSE MITIGATION ; STRUCTURAL CONTROL ; WIND TURBINE ; DESIGN ; VIBRATION ; RELIABILITY ; EXCITATION ; SYSTEM
WOS Research AreaEnergy & Fuels
WOS SubjectEnergy & Fuels
Funding OrganizationThe authors would like to express their gratitude for the financial support of the National Natural Science Foundation of China (Grant Nos. 11072246, 51490673, 10702073), and the National Basic Research Program of China (973 Program 2014CB046801).
DepartmentLMFS结构力学(LHO)
ClassificationQ3
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Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/49642
Collection流固耦合系统力学重点实验室
Corresponding AuthorYu, Y (reprint author), Chinese Acad Sci, Inst Mech, Beijing 100190, Peoples R China.
Recommended Citation
GB/T 7714
Zeng XH ,Yu Y,Zhang L,et al. A New Energy-Absorbing Device for Motion Suppression in Deep-Sea Floating Platforms[J]. Energies,2015,8(1):111-132.
APA Zeng XH ,Yu Y,Zhang L,Liu QQ,Wu H,&Yu, Y .(2015).A New Energy-Absorbing Device for Motion Suppression in Deep-Sea Floating Platforms.Energies,8(1),111-132.
MLA Zeng XH ,et al."A New Energy-Absorbing Device for Motion Suppression in Deep-Sea Floating Platforms".Energies 8.1(2015):111-132.
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