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Hui Li, Yongjun Chen, Yang Yang, Shixin Wang, Ling Bai and Ling Zhou
The centrifugal pump is one of the most widely used types of power machinery in the field of ship and ocean engineering, and the shape of the impeller blade trailing edge has an important influence on their performance. To reveal the mechanism of the eff...
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Bing Qian, Yinhui Cai, Qiang Ding, Daoli Zhao, Weipeng Sun and Like Wang
Semi-open centrifugal pumps are widely used in various fields. However, the tip leakage vortex (TLV) has a malign effect on the impeller flow field. The structure and trajectory of a TLV under different discharge conditions were simulated and are discuss...
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Lin Wang, Fangping Tang, Ye Chen and Haiyu Liu
In order to study the evolution characteristics of suction-side-perpendicular cavitating vortex in an axial-flow pump under low flow conditions, model tests, high-speed imaging, and an SST-CC turbulence model were used to simulate the external characteri...
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Zhen Ren, Jianhua Wang and Decheng Wan
Planar motion mechanism (PMM) tests provide a means of obtaining the hydrodynamic derivatives needed to assess ship maneuverability properties. In this paper, the self-developed computational fluid dynamic (CFD) solver based on the open source code platf...
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Wenyu Sun, Qiong Hu, Shiliang Hu, Jia Su, Jie Xu, Jinfang Wei and Guofu Huang
Accurate prediction of the self-propulsion performance is one of the most important factors for the energy-efficient design of a ship. In general, the hydrodynamic performance of a full-scale ship could be achieved by model-scale simulation or towing tan...
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Davide Lengani, Daniele Simoni, Marina Ubaldi, Pietro Zunino and Francesco Bertini
A time-resolved particle image velocimetry (TR-PIV) system has been employed to investigate the unsteady propagation of upstream wakes in a low-pressure turbine cascade. Data are obtained in the steady state condition and for two passing wake reduced fre...
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