Study of Simulation Parameters and Flow-Controlled Boundary Conditions in a Single-Blade Pump Simulation

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dc.contributor Aalto-yliopisto fi
dc.contributor Aalto University en Ala-Juusela, Juhaveikko 2016-12-02T10:01:48Z 2016-12-02T10:01:48Z 2011
dc.description MEMO No CFD/MECHA-7-2011 DATE: January 21, 2011
dc.description.abstract Abstract: A single-blade sewage pump is simulated numerically using a FINFLO flowsolver. Low-Reynolds number approach is utilized with a k − ǫ turbulence closure. Influence of an internal timestep on a convergence of a time-accurate simulation is studied. The effect of the boundary conditions on a performance prediction, mass balance fluctuation and velocity distributions is studied by using also flow controlled boundary conditions. Main result: Pump head, efficiency and torque are obtained from the simulated flowfield and compared to measured data. The velocity distributions are also compared to the measurements available. The convergence of the pressure is poor witch affects significantly pump performance prediction. In spite of that, prediction of velocity distributions is quite good. en
dc.format.extent 33
dc.format.mimetype application/pdf en
dc.language.iso en en
dc.publisher Aalto University en
dc.publisher Aalto-yliopisto fi
dc.subject.other Mechanical engineering en
dc.title Study of Simulation Parameters and Flow-Controlled Boundary Conditions in a Single-Blade Pump Simulation en
dc.type J Muu elektroninen julkaisu fi Insinööritieteiden korkeakoulu fi School of Engineering en
dc.contributor.department Sovelletun mekaniikan laitos fi
dc.contributor.department Department of Applied Mechanics en
dc.subject.keyword finflo en
dc.subject.keyword k − ǫ model en
dc.subject.keyword pump performance en
dc.subject.keyword chimera en
dc.subject.keyword periodic en
dc.identifier.urn URN:NBN:fi:aalto-201612025611
dc.type.dcmitype text en

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