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Yu Li, Jingyi Ouyang, Yong Peng and Yang Liu
Cavitation happening inside an inclined V-shaped corner is a common and important phenomenon in practical engineering. In the present study, the lattice Boltzmann models coupling velocity and temperature fields are adopted to investigate this complex col...
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Gao Huang, Chengjun Qiu, Mengtian Song, Wei Qu, Yuan Zhuang, Kaixuan Chen, Kaijie Huang, Jiaqi Gao, Jianfeng Hao and Huili Hao
Cavitation is typically observed when high-pressure submerged water jets are used. A composite nozzle, based on an organ pipe, can increase shear stress on the incoming flow, significantly enhancing cavitation performance by stacking Helmholtz cavities i...
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Tao He, Yingzhi Zhou, Yong Liu and Yang Xia
The cavitation phenomenon and shaft deformation have a significant impact on the tribological performance of the journal bearing. A mixed lubrication model is developed that takes into account surface roughness and asperity contact, as well as the effect...
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Wenjuan Lv, Haigang Wen, Guangtai Shi and Shan Wang
Inlet gas void fraction (IGVF) affects the cavitation evolution in a multiphase pump and easily results in a drop of the head and efficiency when cavitation is more serious. In this paper, a numerical method was performed to qualitatively and quantitativ...
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Lite Zhang, Zhuokai Wang and Huixia Jia
The study of the water entry of successively fired projectiles under a wave environment is of great significance for the development and application of supercavitation weapons. In this paper, the supercavitating flow field of two successively fired proje...
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Yingna Liang, Cunyuan Wang, Wei Wang, Hao Xing, Zhepeng Zhang and Dianrong Gao
The slipper pair is the crucial friction pair of the seawater axial piston pump. Taking seawater as the working medium will inevitably affect the bearing performance of the slipper pair. In this paper, a seawater axial piston pump slipper pair model with...
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Haigang Wen, Luyao Li, Guangtai Shi, Haijun Ma and Xiaodong Peng
A spiral axial-flow blade pump (SABP), as the core piece of equipment in the oil and natural gas closed-gathering and transportation process, can not only transport gas?liquid mixtures with a high gas content, but can also transport gas?liquid?solid mixt...
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Jiao Wang, Yaan Hu, Liang Chen, Ruichang Hu and Hao Yuan
In hydro-driven ship lifts, plunger valves and fixed cone valves are the most suitable structures for achieving accurate flow control under a wide range of flow conditions. In order to inhibit cavitation in these valve structures, experiments were conduc...
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Qiaorui Si, Fanjie Deng, Yu Lu, Minquan Liao and Shouqi Yuan
A numerical method using combined detached-eddy simulation (DES) and a cavitation model considering the rotation effect is used for unsteady cavitation flow field of the centrifugal pump. A closed-type pump test system was established to obtain the pump ...
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Wenqiang Dong, Ligang Yao and Weilin Luo
A model of a submerged angular cavitation nozzle is established, which consists of a contraction part, parallel middle part, and expansion part. Based on the CFD technique, a numerical simulation of the flow field of the submerged cavitation nozzle is ca...
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