单船底拖网节能措施的探讨

<正> 近十多年来.由于世界油价的上涨,所有海洋渔业发达的国家都在开展渔船渔具节能技术研究,并取得成功。对此,我国也在开展拖网渔船综合节能技术研究,但节能效果却不能令人满意。拖网捕捞是世界海洋捕捞中的主要作业方式,我国机动拖网渔业也有80多年的历史,目前我国拖网渔业的比重也较为突出,特别是在国营海洋渔业中,拖网渔船占86%,产量占95%。再说,底拖网渔具消耗能源为一切渔具之最。因此,改进现有拖网,设计

Some Considerations on the Measures for Saving Energy of Bottom Trawl Operated by Otter Trawler

Based on the considerations of drags of net, trawl door, foot rope, warp, lazy line, and floats of the otter trawl, the measures for saving energy were studied.