Experimental and Numerical Investigation of Pressure Fluctuation in a Low-Specific-Speed Centrifugal Pump with a Gap Drainage Impeller

<table class="table-group" id="tab1"><tr><td><table class="table"><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr class="thead"><td class="align_left">Case</td><td class="align_center">Slot diameter <i>D</i> (mm)</td><td class="align_center">Blade overlap length <i>L</i> (mm)</td><td class="align_center">Slot width <i>E</i> (mm)</td></tr><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr><td class="align_left">Model 1</td><td class="align_center">180</td><td class="align_center">5</td><td class="align_center">1.5</td></tr><tr><td class="align_left">Model 2</td><td class="align_center">180</td><td class="align_center">5</td><td class="align_center">6.0</td></tr><tr class="table-tr"><td colspan="4"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>The parameters of two slot schemes.</div>

Shock and Vibration

tab1

Table 1

Table 1: Experimental and Numerical Investigation of Pressure Fluctuation in a Low-Specific-Speed Centrifugal Pump with a Gap Drainage Impeller 