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Baoling Cui and Mingyu Shi
Centrifugal pumps are essential fluid transfer devices in marine engineering. As the two most critical components of a centrifugal pump, the dynamic?static interference between the volute and the impeller makes the flow near the cutwater highly unstable,...
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Hua Li, Zifeng Yu, Runan Hua, Chenqi Li, Chao Guo, Houlin Liu and Liang Dong
The biomimetic surface with Space-V grooves can effectively reduce flow resistance and noise. Our investigation was in order to further enhance the drag reduction and noise reduction performance of a marine centrifugal pump with Space-V-groove-shaped bio...
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Cui Dai, Yuhang Zhang, Qi Pan, Liang Dong and Houlin Liu
In order to study the vibration mechanism of a marine centrifugal pump unit and explore the contribution of vibration caused by different vibration excitation sources, a marine centrifugal pump with a specific speed of 66.7 was used for research. A numer...
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Zhipeng Zhu and Houlin Liu
Ship ballast pumps have stringent requirements for their transient characteristics. Here, the pneumatic control valve and programmable logic controller (PLC) are applied to realize the rapid reduction in flow rate for ballast pumps, and the dynamic press...
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Yang Yang, Ling Zhou, Hongtao Zhou, Wanning Lv, Jian Wang, Weidong Shi and Zhaoming He
Marine centrifugal pumps are mostly used on board ship, for transferring liquid from one point to another. Based on the combination of orthogonal testing and numerical simulation, this paper optimizes the structure of a drainage trough for a typical low-...
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