Experimental investigation of the flow in the vaneless diffuser of a centrifugal pump by particle image displacement velocimetry |
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| Authors: | N Paone M L Riethmuller R A Van den Braembussche |
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| Institution: | (1) Von Karman Institute for Fluid Dynamics, B-1640 Rhode Saint Genèse, Belgium;(2) Present address: Centro Ricerche FIAT, I-10043 Orbassano, Italy |
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| Abstract: | This work presents the application of particle image displacement velocimetry to the measurement of fluid velocities in a centrifugal pump diffuser. Measurements are taken at different operating points and allow to define the variation of radial and tangential velocity components along a pitch. They are further processed to determine the relative velocity and vorticity fields. Results are also compared with laser Doppler measurements taken in the same facility. |
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