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浙江大学学报(工学版)
J4  2014, Vol. 48 Issue (4): 625-632    DOI: 10.3785/j.issn.1008-973X.2014.04.010
机械与能源工程     
大型中层拖网网具系统的仿真研究
陈英龙1, 赵勇刚2, 周华1, 黄洪亮3
1. 浙江大学 流体动力与机电系统国家重点实验室,浙江 杭州 310027；
2. 中国船舶重工集团第七○七研究所九江分部,江西 九江 332007；
3. 中国水产科学研究院东海水产研究所,上海 200090
Simulation study of large mid-water trawl system
CHEN Ying-long1, ZHAO Yong-gang2, ZHOU Hua1, HUANG Hong-liang3
1. State Key Laboratory of Fluid Power Transmission and Control, Zhejiang University, Hangzhou 310027, China;
2. Jiujiang Institute of 707 CSIC, Jiujiang 332007, China; 3. East China Sea Fisheries Research Institute, China
Academy of Fishery Science, Shanghai 200090, China
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摘要：

为了分析大型中层拖网网具系统的水动力学性能,基于集中质量法建立该系统的数学模型.将网具系统的各个节点简化为在其形心的质量单元,各质量单元通过无质量弹簧相连,网具节点受到的水动力、重力、浮力及弹性力都集中在质量单元上,分别建立各质量单元的动力学方程.在建模中考虑了拖网网板及升力帆布,联立所有的质量单元方程可以获得整个网具系统的仿真模型.通过对拖网网具系统的仿真分析,研究拖网网线的受力分布、拖曳速度、曳纲长度对拖网网位及网口扩张的影响.通过海上试验验证了所建立的大型中层拖网网具系统数学模型的准确性.
Abstract:

A mathematical model was proposed to describe the behavior of trawl system in order to analyze the hydrodynamic performances of large mid-water trawl system. The lumped mass method was adopted to describe the behavior of the flexible trawl and warps. The dynamics of otter doors and canvas kite were considered. Then the behavior of the mid-water trawl system including tension force distributed was extensively analyzed, and the effect of towing speed and warp length on the trawl net was considered through the simulation. A sea-trial experiment was conducted to assess the validity of the proposed mathematical model. The comparison results indicate that the experiment results accord well with the simulation. The presented mathematical model scheme is feasible and effective to describe the behavior of the mid-water trawl system.
出版日期: 2014-09-03
:  S 972.13  
基金资助:

国家“863”高技术研究发展计划资助项目(2009AA045004).
通讯作者: 周华,男,教授,博导.     E-mail: Hzhou@zju.edu.cn
作者简介: 陈英龙(1984—),男,博士生,从事电液甲板机械系统及拖网系统建模与控制的研究. E-mail: james88888888@163.com
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引用本文:

陈英龙, 赵勇刚, 周华, 黄洪亮. 大型中层拖网网具系统的仿真研究[J]. J4, 2014, 48(4): 625-632.

CHEN Ying-long, ZHAO Yong-gang, ZHOU Hua, HUANG Hong-liang. Simulation study of large mid-water trawl system. J4, 2014, 48(4): 625-632.

链接本文:

http://www.zjujournals.com/eng/CN/10.3785/j.issn.1008-973X.2014.04.010    或    http://www.zjujournals.com/eng/CN/Y2014/V48/I4/625

［1］ REITE K J. Modeling and control of trawl systems ［D］. Norway: NTNU, 2006.
［2］ PRAT J, ANTONIJUAN J, FOLCH A, et al. A simplified model of the interaction of the trawl warps, the otterboards and netting drag ［J］. Fisheries Research, 2008, 94(1): 109-117.
［3］ BESSONNEAU J S, MARICHAL D. Study of the dynamics of submerged supple nets (applications to trawls) ［J］. Ocean Engineering, 1998, 24(7): 563583.
［4］ NIEDZWIEDZ G, HOPP M. Rope and net calculations applied to problems in marine engineering and fisheries research ［J］. Archive of Fishery and Marine Research, 1998, 46(2): 125-138.
［5］ PRIOUR D. Numerical optimization of trawls design to improve their energy efficiency ［J］. Fisheries Research, 2009, 98(1/2/3): 40-50.
［6］ LEE C W, CHA B J. Dynamic simulation of a midwater trawl system’s behavior ［J］. Fisheries Science, 2002, 68(supplement): 1865-1868.
［7］ LEE C W, LEE J H, CHA B J, et al. Physical modeling for underwater flexible systems dynamic simulation ［J］. Ocean Engineering, 2005, 32(3/4): 331-347.
［8］ TAKAGI T, SUZUKI K, HIRAISHI T. Development of the numerical simulation method of dynamic fishing net shape ［J］. Nippon Suisan Gakkaishi, 2002, 68(3): 320-326.
［9］ SUZUKI K, TAKAGI T, SHIMIZU T, et al. Validity and visualization of a numerical model used to determine dynamic configurations of fishing nets ［J］. Fisheries Science, 2003, 69(4): 695-705.
［10］ TAKAGI T, SUZUKI K, SHIMIZU T, et al. Performance of ‘NaLA’: a fishing net shape simulator ［J］. Fisheries Engineering, 2003, 40(2): 125-134.
［11］ SUN Xiao-feng, YIN Yong, JIN Yi-cheng, et al. The modeling of single-boat, mid-water trawl systems for fishing simulation ［J］. Fisheries Research, 2011, 109(1): 7-15.
［12］ WAN R, HU F X, TOKAI T. Computer simulation of shape and tension on fishing net and rope system ［J］. Fisheries Science, 2002, 68(supplement): 1853-1856.
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