Results 1 to 10 of about 655,300 (307)

Investigation on the Flow Behavior of Side Channel Pumps Based on Vortex Identification

Chinese Journal of Mechanical Engineering, 2021
The momentum flow exchange between the impeller and side channel produces highly turbulent flows in side channel pumps. The turbulent flows feature complex patterns of vortex structures that are partly responsible for the dissipation of energy losses and
Fan Zhang, Desmond Appiah, Ke Chen, Shouqi Yuan, Kofi Asamoah Adu-Poku, Lufeng Zhu   +5 more
doaj   +1 more source

Impact characteristics and erosion mechanism of solid particles in a centrifugal pump

Frontiers in Energy Research, 2023
To study the impact and erosion mechanism of solid particles in centrifugal pumps, the standard k–ε turbulence model and SIMPLE algorithm are adopted in this paper. Based on the discrete phase model (DPM) of the Lagrange method and McLaury erosion model,
Wei Li, Wei Li, Yi Yang, Pu Wu, Leilei Ji, Mingjiang Liu, Handong Qi, Shuo Li   +7 more
doaj   +1 more source

Influence of Cavitation on Unsteady Vortical Flows in a Side Channel Pump

Chinese Journal of Mechanical Engineering, 2023
Previous investigation on side channel pump mainly concentrates on parameter optimization and internal unsteady vortical flows. However, cavitation is prone to occur in a side channel pump, which is a challenging issue in promoting performance.
Yefang Wang, Fan Zhang, Shouqi Yuan, Ke Chen, Feng Hong, Desmond Appiah   +5 more
doaj   +1 more source

Simulation Analysis of Power Consumption and Mixing Time of Pseudoplastic Non-Newtonian Fluids with a Propeller Agitator

Energies, 2022
In order to study the effect of a high twist rate propeller on the flow field characteristics of pseudoplastic non-Newtonian fluids, the numerical simulation method was used to analyze the mixing flow field of pseudoplastic non-Newtonian fluids at ...
Shiji Wang, Peng Wang, Jianping Yuan, Jinfeng Liu, Qiaorui Si, Dun Li   +5 more
doaj   +1 more source

Discrete Optimization on Unsteady Pressure Fluctuation of a Centrifugal Pump Using ANN and Modified GA

Chinese Journal of Mechanical Engineering, 2023
Pressure fluctuation due to rotor-stator interaction in turbomachinery is unavoidable, inducing strong vibration in the equipment and shortening its lifecycle.
Wenjie Wang, Qifan Deng, Ji Pei, Jinwei Chen, Xingcheng Gan   +4 more
doaj   +1 more source

Analysis of Fluid-Structure Coupling Dynamic Characteristics of Centrifugal Pump Rotor System

Energies, 2022
Safety and reliable operation is one of the most important research areas for centrifugal pump systems, due to the interaction of complex flow, large structural load, and vibration caused by the operation of the impeller. To analyze the internal flow and
Jianping Yuan, Jiali Shi, Yanxia Fu, Huilong Chen, Rong Lu, Xueliang Hou   +5 more
doaj   +1 more source

Influence of Dynamic and Static Interference on the Internal Flow and Vibration and Noise Characteristics of Marine Centrifugal Pump [PDF]

Journal of Applied Fluid Mechanics, 2023
To improve the overall performance of marine centrifugal pumps (MCPs), their vibration and noise performances were optimized using the hydraulic design of the volute casing parameters considering a constant hydraulic performance at a specific speed of 66.
Z. Cheng, Q. Ma, H. Liu, L. Dong, Q. Pan
doaj   +1 more source

Impeller design and performance characteristics of a side channel pump

AIP Advances, 2023
Flow non-uniformity inherent at the impeller passages is realized to have pronounced effects in hydraulic pumps, which leads to severe operational challenges.
Desmond Appiah, Kofi Asamoah Adu-Poku, Fan Zhang, Ke Chen, Shouqi Yuan   +4 more
doaj   +1 more source

Study on Different Parameters of the Self-Excited Oscillation Nozzle for Cavitation Effect under Multiphase Mixed Transport Conditions

Journal of Marine Science and Engineering, 2021
The pollution problems of water resources have affected the ecology of the Earth, especially the ecological environment of the oceans. In order to find a cheaper and cleaner organic wastewater treatment method and explore the effect of geometrical ...
Fujian Zhao, Xiuli Wang, Wei Xu, Yuanyuan Zhao, Guohui Zhao, Han Zhu   +5 more
doaj   +1 more source

Nature-Inspired Modified Bat Algorithm for the High-Efficiency Optimization of a Multistage Centrifugal Pump for a Reverse Osmosis Desalination System

Journal of Marine Science and Engineering, 2021
The high-pressure multistage centrifugal pump is the main piece of energy-consuming equipment in the reverse osmosis desalination process, and it consumes about 35% of the entire system’s operating cost.
Xiaobo Gong, Ji Pei, Wenjie Wang, Majeed Koranteng Osman, Wei Jiang, Jiantao Zhao, Qifan Deng   +6 more
doaj   +1 more source