A Comparative Analysis of Self-Rectifying Turbines for the Mutriku Oscillating Water Column Energy Plant

<table class="fixed-width table-group" id="tab1"><tr><td><table class="table"><colgroup><col style="width:13.24em"/><col style="width:5.80em"/></colgroup><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr><td class="align_left">Blade profile</td><td class="align_center">NACA0021</td></tr><tr><td class="align_left" colspan="2"><hr/></td></tr><tr><td class="align_left">Blade number</td><td class="align_center">20</td></tr><tr><td class="align_left" colspan="2"><hr/></td></tr><tr><td class="align_left">Cord length</td><td class="align_center">75 mm</td></tr><tr><td class="align_left" colspan="2"><hr/></td></tr><tr><td class="align_left">Solidity</td><td class="align_center">0.75</td></tr><tr><td class="align_left" colspan="2"><hr/></td></tr><tr><td class="align_left">Hub to tip ratio</td><td class="align_center">0.7</td></tr><tr><td class="align_left" colspan="2"><hr/></td></tr><tr><td class="align_left">Aspect ratio</td><td class="align_center">0.6</td></tr><tr><td class="align_left" colspan="2"><hr/></td></tr><tr><td class="align_left">Diameter</td><td class="align_center">750 mm</td></tr><tr><td class="align_left" colspan="2"><hr/></td></tr><tr><td class="align_left">Gap between rotor and casing</td><td class="align_center">1 mm</td></tr><tr><td class="align_left" colspan="2"><hr/></td></tr><tr><td class="align_left">Angle range</td><td class="align_center">0-12°</td></tr><tr class="table-tr"><td colspan="2"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Parameters of the pitch-controlled Wells turbine.</div>

Complexity

tab1

Table 1

Table 1: A Comparative Analysis of Self-Rectifying Turbines for the Mutriku Oscillating Water Column Energy Plant 