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Volume 13
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This is an early access version, the complete PDF, HTML, and XML versions will be available soon.
Article

Characterization of the Internal and External Flow Field of a Semi-Submersible Aquaculture Platform with Multiple Net Cage Configuration

by
Bo Hu
1,†,
Jiawen Li
1,2,3,†,
Juncheng Ruan
1,
Jiawei Hao
1 and
Ji Huang
1,2,3,*
1
Naval Architecture and Shipping College, Guangdong Ocean University, Zhanjiang 524088, China
2
Guangdong Provincial Key Laboratory of Intelligent Equipment for South China Sea Marine Ranching, Guangdong Ocean University, Zhanjiang 524088, China
3
Technical Research Center for Ship Intelligence and Safety Engineering of Guangdong Province, Zhanjiang 524005, China
*
Author to whom correspondence should be addressed.
†
These authors contributed equally to this work and should be considered co-first authors.
J. Mar. Sci. Eng. 2025, 13(7), 1373; https://doi.org/10.3390/jmse13071373
Submission received: 19 June 2025 / Revised: 6 July 2025 / Accepted: 7 July 2025 / Published: 18 July 2025
(This article belongs to the Section Coastal Engineering)
Versions Notes

Abstract

To achieve efficient and sustainable marine aquaculture, STAR-CCM+ was used to simulate the internal and external field characteristics of a semi-submersible aquaculture platform based on a porous media model, focusing on the influence of incoming flow velocity and net solidity ratio. The results indicate that the flow field distribution around the platform exhibits no significant regularity and that low-velocity vortex regions are primarily concentrated near the pillars and nets. After velocity attenuation, the velocity reduction coefficients at the centers of the three cages are 90.26%, 63.65%, and 52.56%, respectively. Furthermore, the velocity attenuation inside the cages is minimally influenced by incoming flow velocity, with a maximum difference of 3.10%. In contrast, differences in net solidity ratio significantly affect velocity attenuation, particularly in downstream regions. The velocity reduction coefficient in the third cage varies by up to 43.25% depending on the net solidity ratio. These findings provide practical insights for the engineering design and application of aquaculture platforms.
Keywords: semi-submersible aquaculture platform; multiple net cage configurations; flow field characteristics; porous media model; numerical simulation semi-submersible aquaculture platform; multiple net cage configurations; flow field characteristics; porous media model; numerical simulation

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MDPI and ACS Style

Hu, B.; Li, J.; Ruan, J.; Hao, J.; Huang, J. Characterization of the Internal and External Flow Field of a Semi-Submersible Aquaculture Platform with Multiple Net Cage Configuration. J. Mar. Sci. Eng. 2025, 13, 1373. https://doi.org/10.3390/jmse13071373

AMA Style

Hu B, Li J, Ruan J, Hao J, Huang J. Characterization of the Internal and External Flow Field of a Semi-Submersible Aquaculture Platform with Multiple Net Cage Configuration. Journal of Marine Science and Engineering. 2025; 13(7):1373. https://doi.org/10.3390/jmse13071373

Chicago/Turabian Style

Hu, Bo, Jiawen Li, Juncheng Ruan, Jiawei Hao, and Ji Huang. 2025. "Characterization of the Internal and External Flow Field of a Semi-Submersible Aquaculture Platform with Multiple Net Cage Configuration" Journal of Marine Science and Engineering 13, no. 7: 1373. https://doi.org/10.3390/jmse13071373

APA Style

Hu, B., Li, J., Ruan, J., Hao, J., & Huang, J. (2025). Characterization of the Internal and External Flow Field of a Semi-Submersible Aquaculture Platform with Multiple Net Cage Configuration. Journal of Marine Science and Engineering, 13(7), 1373. https://doi.org/10.3390/jmse13071373

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