Influence of Weak Compressibility on the Hydrodynamic Performance Evaluation of Pump Turbines in the Pump Mode

<table class="table-group" id="tab2"><tr><td><table class="table"><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr class="thead"><td class="align_left">Schemes</td><td class="align_center"><i>α</i> = 10 deg</td><td class="align_center"><i>α</i> = 12 deg</td><td class="align_center"><i>α</i> = 14 deg</td></tr><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr><td class="align_left">N1 (fine)</td><td class="align_center">12200607</td><td class="align_center">12650696</td><td class="align_center">12883899</td></tr><tr><td class="align_left">N2 (medium)</td><td class="align_center">5542979</td><td class="align_center">5726859</td><td class="align_center">5840087</td></tr><tr><td class="align_left">N3 (coarse)</td><td class="align_center">2509940</td><td class="align_center">2590900</td><td class="align_center">2589380</td></tr><tr class="table-tr"><td colspan="4"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Node number of different grid schemes.</div>

Science and Technology of Nuclear Installations

tab2

Table 2

Table 2: Influence of Weak Compressibility on the Hydrodynamic Performance Evaluation of Pump Turbines in the Pump Mode 