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In the present study, a numerical investigation was performed to estimate air entrainment rates due to intake vortices in different hydraulic conditions. The numerical model was verified with the experimental data. The agreement between numerical and experimental results for air entrainment rates and circulation was good. Regarding formed funnel shape flow pattern in the reservoir towards the horizontal...
We did a numerical study of the internal flow field of a vortex pump. Five operating points were considered and validated through a measured characteristic curve. The internal flow pattern of a vortex pump was analyzed and compared to the Hamel-Oseen vortex model. The calculated flow field was assessed with respect to the circumferential velocity, the vorticity and the axial velocity. Whereas the...
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