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Wenjie Shen, Suofang Wang and Xiaodi Liang
Impellers are utilized to increase pressure to ensure that a radial pre-swirl system can provide sufficient cooling airflow to the turbine blades. In the open literature, the pressurization mechanism of the impellers was investigated. However, the effect...
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David Beck and Paul Uwe Thamsen
Especially in the field of sewage pumps, the design of radial impellers focuses not only on maximum efficiency but also on functionality in terms of susceptibility to clogging by fibrous media. In general, the efficiency of sewage impellers is significan...
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Qifeng Jiang, Chen Liu, Gérard Bois and Yaguang Heng
Straight radial impeller disc pumps are widely used in several industrial applications for hard-to-pump working flow media, such as two-phase inlet conditions, either including non-miscible bubbles or solid particles with a high concentration within the ...
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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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Dagang Zhao, Yang Zhang, Qian He, Cong Sun and Mingqi Bi
The acceleration characteristics of a water jet-propelled ship during startup are related to its performance under mooring conditions. Water jet propulsion cavitation during startup increases the vibration and noise of the whole ship. Therefore, accurate...
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Xiaobo Gong, Ji Pei, Wenjie Wang, Majeed Koranteng Osman, Wei Jiang, Jiantao Zhao and Qifan Deng
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. The optimization process of multi-stage pumps undo...
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Daniel Hermann, Manfred Wirsum, Douglas Robinson and Philipp Jenny
State-of-the-art centrifugal compressor units utilised in pipeline and in energy storage applications face the challenge of flexible and highly efficient operation. Geometric contouring on the hub side near a vaned diffuser affects the flow in a way whic...
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