| 王惠， 白国振， 王双元， 王曼.高效率内旋式海参吸捕装置吸嘴结构设计及参数优化[J].轻工机械,2021,39(5):79-85 |
| 高效率内旋式海参吸捕装置吸嘴结构设计及参数优化 |
| Structure Design and Parameter Optimization of Suction Nozzle of High Efficiency Internal Rotation Sea Cucumber Sucking and Catching Device |
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| DOI：10.3969/j.issn.1005 2895.2021.05.015 |
| 中文关键词: 吸辅装置 吸嘴 内涡旋式 正交试验法 FLUENT仿真 |
| 英文关键词:suction device suction nozzle inner vortex suction orthogonal test method FLUENT simulation |
| 基金项目:上海交通大学海洋智能装备与系统教育部重点实验室开放基金项目（MIES 2020 05）。 |
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| 中文摘要: |
| 为了提升海参吸捕装置吸嘴性能以提高系统的效率，课题组在传统直管状吸嘴的基础上，提出了内涡旋式吸嘴和外涡旋式吸嘴2种新式结构。通过对直管状吸嘴、锥形罩吸嘴、内涡旋式吸嘴和外涡旋式吸嘴进行FLUENT仿真分析，筛选出管口轴线高度和吸拾能力均最强的吸嘴；通过正交试验法得到最优的吸嘴结构；最后通过搭建实验平台进行吸嘴实验验证。仿真与实验结果表明：内涡旋式吸嘴管口轴线高度和吸拾能力均最强，且内流道涡旋式引导板宽度20 mm、内流道涡旋式引导板的高度30 mm和内涡旋式引导板的螺距130 mm时效率最高。该研究有利于提高海参吸嘴在实际应用中的吸捕效率。 |
| 英文摘要: |
| In order to boost the performance of suction nozzle of the sea cucumber suction and catching device to improve the efficiency of the system, two new structures of inner vortex suction nozzle and outer vortex suction nozzle were proposed based on the traditional straight pipe suction nozzle. Through the FLUENT simulation analysis of straight pipe suction nozzle, conical cover suction nozzle, inner vortex suction nozzle and outer vortex suction nozzle, the suction nozzle with the highest nozzle axis height and the best suction capacity was selected. The optimal structure of suction nozzle was obtained by orthogonal test, and the experimental platform was established to verify the nozzle experiment. The simulation and experimental results show that the inner vortex nozzle has the highest axis height and the strongest suction capacity, and the efficiency is the highest when the width of the inner channel vortex guide plate is 20 mm, the height of the inner channel vortex guide plate is 30 mm and the pitch of the inner vortex guide plate is 130 mm. This study is conductive to improve the efficiency sea cucumber suction nozzle in practical application. |
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