WAVE POWER EXTRACTION;
FLOATING BREAKWATER;
PNEUMATIC CHAMBERS;
INTEGRATION;
HARBOR;
D O I:
10.1063/5.0219892
中图分类号:
O3 [力学];
学科分类号:
08 ;
0801 ;
摘要:
Integrating wave energy devices with breakwaters can offer an innovative and sustainable approach by combining wave power extraction with wave attenuation. The performance of this integrated system in offshore areas is influenced by the unique characteristics of the coastline. In this paper, a semi-analytical solution was developed using the matching eigenfunction method for the oscillating water column device integrated into a pile-supported breakwater in front of a partially reflective seawall. The model was validated through the energy conservation law, the Haskind relationship, and experimental data. Detailed examinations were conducted on the effects of the seawall's reflection coefficients, the distance between the system and the seawall, the wall draft, and the chamber breadth on hydrodynamic performance. Results show that the presence of the seawall significantly influences hydrodynamic coefficients (hydrodynamic efficiency, reflection coefficient, the relative transmitted amplitude, etc.), accompanied by the piston and sloshing mode resonances inside the chamber and the confined area between the system and the seawall. Due to energy dissipated by a partially reflective seawall, the magnitude of those hydrodynamic coefficients is mitigated, together with the piston and sloshing mode resonances inside the air chamber. The cancellation of the sloshing mode resonance inside the confined area is observed for the smaller seawall's reflection coefficient. The maximum and minimum hydrodynamic efficiency occur when the system is arranged at the wave nodes and antinodes of the formed standing wave field. Lower wave reflection and better wave power extraction can be achieved by properly adjusting the chamber drafts and breadths.
机构:
Univ Tasmania, Australian Maritime Coll, Natl Ctr Maritime Engn & Hydrodynam, Launceston, Tas 7248, AustraliaUniv Tasmania, Australian Maritime Coll, Natl Ctr Maritime Engn & Hydrodynam, Launceston, Tas 7248, Australia
Gubesch, Eric
Abdussamie, Nagi
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Univ Tasmania, Australian Maritime Coll, Natl Ctr Maritime Engn & Hydrodynam, Launceston, Tas 7248, Australia
Blue Econ Cooperat Res Ctr Co, Launceston, Tas 7248, AustraliaUniv Tasmania, Australian Maritime Coll, Natl Ctr Maritime Engn & Hydrodynam, Launceston, Tas 7248, Australia
Abdussamie, Nagi
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Penesis, Irene
Chin, Christopher
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机构:
Univ Tasmania, Australian Maritime Coll, Natl Ctr Maritime Engn & Hydrodynam, Launceston, Tas 7248, AustraliaUniv Tasmania, Australian Maritime Coll, Natl Ctr Maritime Engn & Hydrodynam, Launceston, Tas 7248, Australia
机构:
Indian Inst Technol Madras, Dept Ocean Engn, Chennai 60036, Tamil Nadu, IndiaIndian Inst Technol Madras, Dept Ocean Engn, Chennai 60036, Tamil Nadu, India
Socrates, S. Sandana
Sriram, V.
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Indian Inst Technol Madras, Dept Ocean Engn, Chennai 60036, Tamil Nadu, IndiaIndian Inst Technol Madras, Dept Ocean Engn, Chennai 60036, Tamil Nadu, India
Sriram, V.
Sundar, V.
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Indian Inst Technol Madras, Dept Ocean Engn, Chennai 60036, Tamil Nadu, IndiaIndian Inst Technol Madras, Dept Ocean Engn, Chennai 60036, Tamil Nadu, India
Sundar, V.
PROCEEDINGS OF ASME 2023 42ND INTERNATIONAL CONFERENCE ON OCEAN, OFFSHORE & ARCTIC ENGINEERING, OMAE2023, VOL 8,
2023,
机构:
Western Sydney Univ, Sch Engn Design & Built Environm, Penrith, NSW, AustraliaWestern Sydney Univ, Sch Engn Design & Built Environm, Penrith, NSW, Australia
Zhao, Ming
Ning, Dezhi
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机构:
Dalian Univ Technol, State Key Lab Coastal & Offshore Engn, Dalian 116024, Peoples R ChinaWestern Sydney Univ, Sch Engn Design & Built Environm, Penrith, NSW, Australia
机构:
Tianjin Univ, State Key Lab Hydraul Engn Simulat & Safety, Tianjin 300072, Peoples R China
MOT, Tianjin Res Inst Water Transport Engn, Natl Engn Lab Port Hydraul Construct Technol, Tianjin 300456, Peoples R ChinaTianjin Univ, State Key Lab Hydraul Engn Simulat & Safety, Tianjin 300072, Peoples R China
Yu, Haitao
Bai, Zhigang
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Tianjin Univ, State Key Lab Hydraul Engn Simulat & Safety, Tianjin 300072, Peoples R ChinaTianjin Univ, State Key Lab Hydraul Engn Simulat & Safety, Tianjin 300072, Peoples R China
Bai, Zhigang
Shi, Yang
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机构:
Tsinghua Univ, State Key Lab Hydrosci & Engn, Beijing 100084, Peoples R ChinaTianjin Univ, State Key Lab Hydraul Engn Simulat & Safety, Tianjin 300072, Peoples R China
Shi, Yang
Zhao, Chongjiu
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Tianjin Univ, State Key Lab Hydraul Engn Simulat & Safety, Tianjin 300072, Peoples R ChinaTianjin Univ, State Key Lab Hydraul Engn Simulat & Safety, Tianjin 300072, Peoples R China
Zhao, Chongjiu
Liu, Xuan
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MOT, Tianjin Res Inst Water Transport Engn, Natl Engn Lab Port Hydraul Construct Technol, Tianjin 300456, Peoples R ChinaTianjin Univ, State Key Lab Hydraul Engn Simulat & Safety, Tianjin 300072, Peoples R China
Liu, Xuan
Wang, Yingzhi
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Tianjin Univ, State Key Lab Hydraul Engn Simulat & Safety, Tianjin 300072, Peoples R ChinaTianjin Univ, State Key Lab Hydraul Engn Simulat & Safety, Tianjin 300072, Peoples R China