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Simulation of multistage radial pump for two-phase flow water-air
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Moreno, C, Asuaje, M, Kenyery, F
et al
. (2010). Simulation of multistage radial pump for two-phase flow water-air .
16-21.
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Moreno, C, Asuaje, M, Kenyery, F
et al
. (2010). Simulation of multistage radial pump for two-phase flow water-air .
16-21.
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cited authors
Moreno, C; Asuaje, M; Kenyery, F; De Andrade, J; Tremante, A
authors
Tremante, Andres
abstract
A 3D-CFD steady state flow simulation of a multistage radial pump for two-phase flow was made on two consecutive stages. Nine runs were performed, corresponding to 80%, 100% and 120% of nominal flow rate. Monophasic and biphasic flow with 1% and 2% of GVF were considered. For biphasic case, with 1% GVF, it was seen that the flow behavior is almost the same as for monophasic case, although the change on effective head and hy draulic efficiency are significant (7.9% and 10.0% less, respectively). It was concluded that the dissipation by viscous effects considerably affects the head for both pump stages. Important energy losses are found due to the flow contraction between stages. For biphasic flow conditions, and particularly for 2 nd rotor entrance, the accentuated decreasing of the rotation component of absolute flow velocity causes the lack on hydraulic losses. Copyright © 2010 by ISROMAC-13.
publication date
December 1, 2010
Additional Document Info
start page
16
end page
21