Characterisation of the Pump-Suction Flow Field of Antarctic Krill and Key Influencing Factors
文献类型： 外文期刊
作者： Liu, Ping 1 ; Lin, Liqun 1 ; Xu, Zhiqiang 1 ;
作者机构： 1.Chinese Acad Fishery Sci, Fishery Machinery & Instrument Res Inst, Shanghai 200092, Peoples R China
2.Pilot Natl Lab Marine Sci & Technol Qingdao, Joint Res Lab Deep Blue Fishery Engn Equipment Tec, Qingdao 266237, Peoples R China
关键词： Antarctic krill; centrifugal pump; krill suction pump; flow field characteristics; numerical simulation
期刊名称：APPLIED SCIENCES-BASEL （ 影响因子：2.5； 五年影响因子：2.7 ）
ISSN：
年卷期： 2025 年 15 卷 11 期
页码：
收录情况： SCI
摘要： To address the problem of high damage rates and low efficiency during Antarctic krill pumping, this study used Discrete Phase Modelling (DPM) computational fluid dynamics (CFD) to analyse how krill-water mixing ratios and centrifugal pump speeds affect flow dynamics and mechanical stresses. The simulation results show that a 4/6 krill-water ratio and a rotation speed of 550-600 rev/min minimise wall collision forces and krill crowding forces, thereby significantly reducing damage. Lower rotation speeds result in uneven force distribution, while higher rotation speeds have the potential to cause localised stress peaks. A mixing ratio deviation of 4/6 increases wall collisions (3/7) or interkrill crushing (5/5). These results provide a feasible guide for the design of krill suction pumps that will improve krill survival and contribute to the sustainability of the Antarctic krill fishery.
- 相关文献
作者其他论文 更多>>
-
Elucidating the role of DNA methylation in low-salinity adaptation of the swimming crab Portunus trituberculatus
作者：Guo, Junyang;Lv, Jianjian;Sun, Dongfang;Liu, Ping;Gao, Baoquan;Guo, Junyang;Lv, Jianjian;Liu, Ping;Gao, Baoquan
关键词：Portunus trituberculatus; DNA methylation; Gill; Low salinity; Molecular mechanisms
-
Functions of the transcription factor myb-like in sex determination and differentiation in Portunus trituberculatus
作者：Jia, Shaoting;Lan, Weikang;Huang, Yuchao;Su, Yichen;Gao, Baoquan;Liu, Ping;Lv, Jianjian;Gao, Baoquan;Liu, Ping;Lv, Jianjian;Jia, Shaoting;Lan, Weikang;Huang, Yuchao;Su, Yichen;Gao, Baoquan;Liu, Ping;Lv, Jianjian
关键词：Portunus trituberculatus; Sex determination and differentiation; Myb-like
-
Multi-omics analysis reveals an endogenous competitive regulatory mechanism for resistance to Vibrio parahaemolyticus in the swimming crab, Portunus trituberculatus
作者：Sun, Dongfang;Zhou, Xianfa;Su, Yichen;Gao, Baoquan;Liu, Ping;Lv, Jianjian;Gao, Baoquan;Liu, Ping;Lv, Jianjian
关键词：Portunus trituberculatus; Vibrio parahaemolyticus; lncRNA; ceRNA network; Immune regulatory mechanisms; Aquaculture
-
Heat-shock protein 70 reduces apoptosis in the gills and hepatopancreas of Marsupenaeus japonicus under low-temperature stress
作者：Ren, Xianyun;Bian, Xueqiong;Jia, Shaoting;Gao, Tian;Wang, Jiajia;Liu, Ping;Li, Jian;Li, Jitao;Ren, Xianyun;Bian, Xueqiong;Jia, Shaoting;Gao, Tian;Wang, Jiajia;Liu, Ping;Li, Jian;Li, Jitao;Bian, Xueqiong;Gao, Tian;Wang, Junxia
关键词：Marsupenaeus japonicus; MjHSP70; MjHSF1; Low temperature stress; Apoptosis
-
Chromosome-level genome assembly of scalloped spiny lobster Panulirus homarus homarus
作者：Sun, Dongfang;Lv, Jianjian;Gao, Baoquan;Jia, Shaoting;Liu, Ping;Li, Jian;Li, Jitao;Ren, Xianyun;Lv, Jianjian;Gao, Baoquan;Liu, Ping;Li, Jian;Li, Jitao;Ren, Xianyun
关键词：
-
Immunoregulatory mechanisms and cross-kingdom bacteriostatic effects of microRNAs in crustacean
作者：Sun, Dongfang;Zhou, Xianfa;Su, Yichen;Gao, Baoquan;Liu, Ping;Lv, Jianjian;Gao, Baoquan;Liu, Ping;Lv, Jianjian
关键词：Cross-species; Crustacean; Immunoregulatory; miRNA; Vibrio parahaemolyticus
-
Mobile Parcels' Grasping Detection System by the Neuromorphic Vision and Efficient Fusion Network
作者：Liu, Xiangyong;Xu, Zhiqiang;Sun, Xuesong
关键词：Parcels' dynamic grasping detection; NeuroIV dataset; double channels' down-sampling fusion; calculation burden release; multidimensional attention mechanism
