Numerical Study of Unsteady Pressure Fluctuation at Impeller Outlet of a Centrifugal Pump

<table class="table-group" id="tab1"><tr><td><table class="table"><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr class="thead"><td class="align_left">Parameters</td><td class="align_center">Symbol</td><td class="align_center">Value</td></tr><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr><td class="align_left">Inlet diameter of impeller</td><td class="align_center"><i>D</i><sub>0</sub></td><td class="align_center">230 mm</td></tr><tr><td class="align_left">Outlet diameter of impeller</td><td class="align_center"><i>D</i><sub>1</sub></td><td class="align_center">450 mm</td></tr><tr><td class="align_left">Design flow rate</td><td class="align_center"><i>Q</i><sub><i>d</i></sub></td><td class="align_center">551 m<sup>3</sup>/h</td></tr><tr><td class="align_left">Design pressure head</td><td class="align_center"><i>H</i></td><td class="align_center">25 m</td></tr><tr><td class="align_left">Rotating speed</td><td class="align_center"><i>n</i></td><td class="align_center">980 rpm</td></tr><tr><td class="align_left">Blades number</td><td class="align_center"><i>Z</i></td><td class="align_center">4</td></tr><tr class="table-tr"><td colspan="3"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Geometric parameters of centrifugal pump.</div>

Science and Technology of Nuclear Installations

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Table 1

Table 1: Numerical Study of Unsteady Pressure Fluctuation at Impeller Outlet of a Centrifugal Pump 