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题名: Design and analysis of folding propulsion mechanism for hybrid-driven underwater gliders
作者: Chen ZE(陈质二); Yu JC(俞建成); Zhang AQ(张艾群); Zhang FM(张福民)
作者部门: 水下机器人研究室
关键词: Hybrid underwater glider ; Foldable propellers ; Mechanical design ; CFD analysis
刊名: Ocean Engineering
ISSN号: 0029-8018
出版日期: 2016
卷号: 119, 页码:125-134
收录类别: SCI ; EI
产权排序: 1
项目资助者: National Natural Science Foundation of China under Grants 51179183 and 61233013
摘要: This paper presents a design of foldable propellers for a hybrid-driven underwater glider. The design ensures that the propellers are fully closed when the glider is working in buoyancy-driven gliding mode, and become fully open to provide propulsion when necessary. The hydrodynamical moments during the folding and unfolding processes is analyzed and computed using computational fluid dynamics (CFD) methods. Torsion springs are used as key components in the folding and unfolding mechanism. The stiffness of the torsion springs are designed to achieve balance between the mechanical and hydrodynamical moments acting on the propellers. It is shown that comparing to a conventional unfoldable design, the foldable propellers may achieve a significant reduction in drag force when the glider is operating in the gliding mode. Pool experiment results demonstrate the effectiveness of the folding mechanism when installed on an underwater glider.
语种: 英语
WOS记录号: WOS:000377726800011
WOS标题词: Science & Technology ; Technology ; Physical Sciences
类目[WOS]: Engineering, Marine ; Engineering, Civil ; Engineering, Ocean ; Oceanography
关键词[WOS]: MARINE PROPELLERS ; PERFORMANCE ; SIMULATION ; VEHICLES ; ANGLE
研究领域[WOS]: Engineering ; Oceanography
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内容类型: 期刊论文
URI标识: http://ir.sia.cn/handle/173321/18632
Appears in Collections:水下机器人研究室_期刊论文

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Recommended Citation:
Chen ZE,Yu JC,Zhang AQ,et al. Design and analysis of folding propulsion mechanism for hybrid-driven underwater gliders[J]. Ocean Engineering,2016,119:125-134.
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