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我国最先进自主潜水器成功首潜(组图)

2018-04-21 01:57:15   新华社 

 4月20日,“潜龙三号”首次下潜后从深海归来。新华社记者 刘诗平 摄

 4月20日,“潜龙三号”首次下潜后从深海归来。新华社记者 刘诗平 摄

新华社“大洋一号”4月20日电(记者刘诗平)我国最先进的自主潜水器“潜龙三号”20日成功首潜。从凌晨4时46分进入海面,到下午3时53分浮出水面,下潜最大深度3955米,航行24.8公里,顺利完成各项测试指标。

为何选择深夜下潜?“潜龙三号”总设计师刘健说,首潜水中时间将近12小时,布放比回收相对简单,回收时的挂钩和止荡是难点,“潜龙三号”的回收要求是海况不大于4级,因此,预防不利海况出现,确保白天有足够的时间回收潜水器,因而选择了凌晨下潜。

最大潜深为何是3955米?“大洋一号”船综合海试B航段首席科学家蔡巍说,“潜龙三号”是4500米级无人无缆潜水器,海试验收大纲要求是不少于3500米的深度。

本次下潜主要任务是什么?蔡巍说,本次下潜,主要验证潜水器无动力下潜、无动力上浮速度指标;验证潜水器在各种航速下闭环航行控制的稳定性及航行精度;验证测深侧扫声纳在各种高度情况下探测的有效性;验证光学探测性能;验证各种水文探测传感器工作的正确性;验证无线通信功能、卫星通信功能;验证潜水器水面航行及水面定位和回收功能;验证潜水器在当前海域最大深度下各组部件和设备功能。

刘健对“潜龙三号”首潜结果感到满意:按时“出去”、按时“回来”,一切按照使命严格执行,满足各项指标要求。从初步结果看,本潜次达到了预期目的。下一个潜次,将对其最大续航能力进行验证。

本航段还会下潜几次?多年从事深海矿产资源与环境调查研究的本航段领队韩喜球说,两个海试潜次完成后,“潜龙三号”计划有3个潜次在天然气水合物区和多金属结核试采区进行试验性应用。对于这一新的深海利器展开试验性应用,韩喜球表示充满期待。(完)

4月20日,科考队员在回收首次下潜归来的“潜龙三号”。新华社记者 刘诗平 摄

4月20日,科考队员在回收首次下潜归来的“潜龙三号”。新华社记者 刘诗平 摄

4月20日,科考队员在回收首次下潜归来的“潜龙三号”。新华社记者 刘诗平 摄

4月20日,科考队员在回收首次下潜归来的“潜龙三号”。新华社记者 刘诗平 摄

4月20日,“潜龙三号”进行首次下潜。新华社记者 刘诗平 摄

4月20日,“潜龙三号”进行首次下潜。新华社记者 刘诗平 摄

4月20日,“大洋一号”上的工作人员将“潜龙三号”放至海面。新华社记者 刘诗平 摄

4月20日,“大洋一号”上的工作人员将“潜龙三号”放至海面。新华社记者 刘诗平 摄


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