Effect of length-width ratio of rounded rectangle aquaculture tank in dual-diagonal-inlet layout on hydrodynamics

Meng LI; Xiaozhong REN; Shupeng DU; Wei SUN; Chenxu ZHAO; Hangfei LIU; Xianying SHI

doi:10.1007/s00343-024-3199-5

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Effect of length-width ratio of rounded rectangle aquaculture tank in dual-diagonal-inlet layout on hydrodynamics

Aquaculture and Fisheries | Updated：2024-11-19

- Effect of length-width ratio of rounded rectangle aquaculture tank in dual-diagonal-inlet layout on hydrodynamics
- Effect of length-width ratio of rounded rectangle aquaculture tank in dual-diagonal-inlet layout on hydrodynamics
- 海洋湖沼学报(英文) 2024年42卷第5期页码：1695-1709
- Affiliations：
  
  1.Key Laboratory of Environment Controlled Aquaculture (Dalian Ocean University), Ministry of Education, Dalian116023, China
  2.College of Biosystems Engineering and Food Science (BEFS), Zhejiang University, Hangzhou310058, China
  3.College of Ocean and Civil Engineering, Dalian Ocean University, Dalian116023, China
- Author bio：
  
  liuhangfei@zju.edu.cn
  shixy@dlou.edu.cn
- Funds：
  
  the National Natural Science Foundation of China(31872609);the Innovation Support Program for High-level Talents of Dalian City(2019RD12);the Key Research Project of Liaoning Provincial Department of Education in 2022(LJKZZ20220091);the earmarked fund for CARS-49(CARS-49)
- DOI：10.1007/s00343-024-3199-5
  中图分类号：
- 收稿：2023-09-28，
  
  网络首发：2024-01-19，
  
  纸质出版：2024-09-01
- Accepted：
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Effect of length-width ratio of rounded rectangle aquaculture tank in dual-diagonal-inlet layout on hydrodynamics[J]. 海洋湖沼学报(英文), 2024,42(5):1695-1709.

LI Meng,REN Xiaozhong,DU Shupeng,et al.Effect of length-width ratio of rounded rectangle aquaculture tank in dual-diagonal-inlet layout on hydrodynamics[J].Journal of Oceanology and Limnology,2024,42(05):1695-1709.
Effect of length-width ratio of rounded rectangle aquaculture tank in dual-diagonal-inlet layout on hydrodynamics[J]. 海洋湖沼学报(英文), 2024,42(5):1695-1709. DOI： 10.1007/s00343-024-3199-5.

LI Meng,REN Xiaozhong,DU Shupeng,et al.Effect of length-width ratio of rounded rectangle aquaculture tank in dual-diagonal-inlet layout on hydrodynamics[J].Journal of Oceanology and Limnology,2024,42(05):1695-1709. DOI： 10.1007/s00343-024-3199-5.

摘要

Abstract

To adapt to the change of aquaculture workshop site

optimize the shape of aquaculture tanks and improve the utilization rate of breeding space

it is necessary to determine the appropriate length-width ratio parameters of aquaculture tanks. In this paper

computational fluid dynamics (CFD) technology is adopted to study the flow field performance of aquaculture tanks with different

ratios (

: the length;

: the width

of aquaculture tank) and different jet direction conditions (lengthways jet and widthways jet). A three-dimensional numerical calculation model of turbulence in rounded rectangle aquaculture tanks in dual-diagonal-inlet layout was established. Jet directions are arranged lengthways and widthways

and the water flow velocity

resistance coefficient change

vorticity

etc. are analyzed under two working

conditions. Results show that the flow field performance in aquaculture tank decreases with the increase of the

ratio. The flow field performed well when

was 1.0–1.3

sharply dropped at 1.4–1.6

and poor at 1.7–1.9. The results provided a theoretical basis for the design and optimization in flow field performance of the industrialized circulating aquaculture tanks.

关键词

Keywords

references

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