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Flow Field Characteristics of Multi-Trophic Artificial Reef Based on Computation Fluid Dynamics

文献类型： 外文期刊

作者： Huang, Junlin 1 ; Li, Jiao 2 ; Li, Yan 1 ; Gong, Pihai 2 ; Guan, Changtao 2 ; Xia, Xu 1 ;

作者机构： 1.Ocean Univ China, Sch Engn, Qingdao 266100, Peoples R China

2.Chinese Acad Fishery Sci, Yellow Sea Fisheries Res Inst, Key Lab Sustainable Dev Marine Fisheries, Qingdao Key Lab Marine Fish Breeding & Biotechnol,, Qingdao 266071, Peoples R China

3.Pilot Natl Lab Marine Sci & Technol Qingdao, Lab Marine Fisheries Sci & Food Prod Proc, Qingdao 266071, Peoples R China

关键词： artificial reef; flow field characteristics; computation fluid dynamics; multi-trophic structure

期刊名称：JOURNAL OF OCEAN UNIVERSITY OF CHINA （ 影响因子：1.6； 五年影响因子：1.5 ）

ISSN： 1672-5182

年卷期： 2024 年 23 卷 2 期

页码：

收录情况： SCI

摘要： On the basis of computational fluid dynamics, the flow field characteristics of multi-trophic artificial reefs, including the flow field distribution features of a single reef under three different velocities and the effect of spacing between reefs on flow scale and the flow state, were analyzed. Results indicate upwelling, slow flow, and eddy around a single reef. Maximum velocity, height, and volume of upwelling in front of a single reef were positively correlated with inflow velocity. The length and volume of slow flow increased with the increase in inflow velocity. Eddies were present both inside and backward, and vorticity was positively correlated with inflow velocity. Space between reefs had a minor influence on the maximum velocity and height of upwelling. With the increase in space from 0.5 L to 1.5 L (L is the reef lehgth), the length of slow flow in the front and back of the combined reefs increased slightly. When the space was 2.0 L, the length of the slow flow decreased. In four different spaces, eddies were present inside and at the back of each reef. The maximum vorticity was negatively correlated with space from 0.5 L to 1.5 L, but under 2.0 L space, the maximum vorticity was close to the vorticity of a single reef under the same inflow velocity.

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