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The Study on Flow Velocity Measurement of Antarctic Krill Trawl Model Experiment in North Bay of South China Sea

Submit Time: 2017-07-17
Author: Chen Shuai East China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, ;
Institute: 1.East China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences,;

Abstracts

From August 25 to 29, 2014, the project team carried out the experiment of Antarctic krill trawl in the Beihai Bay of the South China Sea. In order to understand the flow field of the network model in the course of the experiment, it is necessary to record the speed of the ship and to grasp the flow field of the ocean. Therefore, the ocean velocity is measured during the experiment. The flow rate in this experiment was measured using an acoustic Doppler flowmeter (Vectrino Plus, Nortek, Norway). In order to compensate for the flow rate error caused by ship drift, the drift condition of the ship was also measured by the positioning device (Snapdragon MSM8274AB, Qualcomm, USA) used in the flow rate measurement. The results show that the actual velocity of the target sea area is in the range of 0.06-0.49 m / s and the direction is 216.17-351.70. And compared with the previous research, the influencing factors were analyzed. This study proves that it is feasible to use point Doppler flowmeter for velocity study in trawl model experiment.
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From: 陈帅
DOI:10.12074/201707.00481
Recommended references: Chen Shuai.(2017).The Study on Flow Velocity Measurement of Antarctic Krill Trawl Model Experiment in North Bay of South China Sea.[ChinaXiv:201707.00481] (Click&Copy)
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[V1] 2017-07-17 09:59:20 chinaXiv:201707.00481V1 Download
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