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Xiaogang Ma, Mengying Bian, Yang Yang, Tingting Dai, Lei Tang and Jun Wang
This article explores the impact of inlet pre-swirl on pressure pulsation in a mixed-flow centrifugal pump through a combination of numerical simulations and experimental verification. Firstly, the mixed-flow centrifugal pump?s performance was initially ...
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Oliver Schlömer and Jürgen Herget
Local scour holes are erosional bed structures that are related to different scientific disciplines in Earth science and hydraulic engineering. Local scouring at naturally placed boulders is ubiquitous, but many competing factors make it difficult to iso...
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Riccardo Toracchio, Fabrizio Fontaneto and Koen Hillewaert
This paper presents the numerical characterization of a highly loaded compressor by means of 3D unsteady RANS simulations. The focus is on critical flow structures and their evolution at different operating points of the machine. First, the numerical set...
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Ye Yuan, Weihong Gong, Guojun Wang and Jun Wang
Pitch motion is the key factor affecting the performance characteristics of centrifugal pumps on board ships and exacerbates hydraulic excitation to induce the unsteady vibration of pump units. A hydraulic test platform with swing motion is established t...
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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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