Experimental and Numerical Investigation of Cavitation Assessment for Runner Blades in a Francis Turbine

<table class="table-group" id="tab4"><tr><td><table class="table"><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr class="thead"><td class="align_left">Properties</td><td class="align_center">Symbol</td><td class="align_center">Value with units</td></tr><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr><td class="align_left">Density of liquid</td><td class="align_center">ρl</td><td class="align_center">998.2 kg/m3</td></tr><tr><td class="align_left">Density of vapor</td><td class="align_center">ρv</td><td class="align_center">0.544 kg/m3</td></tr><tr><td class="align_left">Viscosity of liquid</td><td class="align_center">µl</td><td class="align_center">10 − 3 Pas</td></tr><tr><td class="align_left">Viscosity of vapor</td><td class="align_center">µv</td><td class="align_center">1.35 × 10−5 Pas</td></tr><tr><td class="align_left">Surface tension</td><td class="align_center">γ</td><td class="align_center">0.0727 N/m</td></tr><tr><td class="align_left">Vapor mass fraction</td><td class="align_center">αv</td><td class="align_center">5 × 10−5</td></tr><tr class="table-tr"><td colspan="3"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Details of liquid and vapor properties.</div>

Advances in Tribology

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Table 4

Table 4: Experimental and Numerical Investigation of Cavitation Assessment for Runner Blades in a Francis Turbine 