Numerical investigation of flow characteristics in a rearing tank aboard an aquaculture vessel
文献类型： 外文期刊
作者： Li, Zhisong 1 ; Guo, Xiaoyu 1 ; Cui, Mingchao 3 ;
作者机构： 1.Shanghai Jiao Tong Univ, Sch Naval Architecture Ocean & Civil Engn, Dept Engn Mech, Shanghai 200240, Peoples R China
2.Shanghai Jiao Tong Univ, Key Lab Hydrodynam, Minist Educ, Shanghai 200240, Peoples R China
3.Chinese Acad Fishery Sci, Fishery Machinery & Instrument Res Inst, Shanghai 200092, Peoples R China
关键词： Fish fitting guaranteed rate; Statistical analysis; Forced roll; Aquaculture tank
期刊名称：AQUACULTURAL ENGINEERING （ 影响因子：3.273； 五年影响因子：3.585 ）
ISSN： 0144-8609
年卷期： 2022 年 98 卷
页码：
收录情况： SCI
摘要： The mobile aquaculture vessel is expected to be a sustainable way for future nutritious food due to its mobility, potential production rates and environment preservation. The flow field in fish rearing tanks aboard the vessel is a prerequisite for fish welfare. In this paper, the flow field characteristics in an aquaculture tank was numerically investigated. The fish fitting guaranteed rate (FFGR) based on the statistical cumulative distribution probability is presented and used to analyze water flow. A typical rolling condition of an aquaculture tank from the analyses of response amplitude operator (RAO) was used for the flow field analysis. The wavelet and fast Fourier transformation on the mass averaged mean kinetic energy reveals a steady-state of the rolling flow condition after 100 oscillating periods. Statistical analysis on the water velocity indicates that the period-averaged FFGR increases with velocity. Based on the FFGR, the flow field of aquaculture vessel in rolling oscillations are evaluated for six fish species, including Atlantic salmon and Pseudosciaena crocea.
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