A Comprehensive Optimization Design Method of Aerodynamic, Acoustic, and Stealth of Helicopter Rotor Blades Based on Genetic Algorithm

<table class="fixed-width table-group" id="tab4"><tr><td><table class="table"><colgroup><col style="width:6.08em"/><col style="width:8.42em"/><col style="width:7.82em"/><col style="width:10.41em"/></colgroup><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr><td class="align_left">Rotor shape</td><td class="align_center">Number of blades</td><td class="align_center">Radius of blades</td><td class="align_center">Chord length of blades</td></tr><tr><td class="align_left" colspan="4"><hr/></td></tr><tr><td class="align_left">Rectangle</td><td class="align_center">5</td><td class="align_center">6.595m</td><td class="align_center">0.4m</td></tr><tr><td class="align_left" colspan="4"><hr/></td></tr><tr><td class="align_left">Pitch angle</td><td class="align_center">Rotation speed</td><td class="align_center">Rotation period</td><td class="align_center">Airfoil shape</td></tr><tr><td class="align_left" colspan="4"><hr/></td></tr><tr><td class="align_left">12°</td><td class="align_center">1250rpm</td><td class="align_center">0.048s</td><td class="align_center">ONERA OA213</td></tr><tr class="table-tr"><td colspan="4"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>The main parameters of the 5-rotor.</div>

Mathematical Problems in Engineering

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Table 4

Table 4: A Comprehensive Optimization Design Method of Aerodynamic, Acoustic, and Stealth of Helicopter Rotor Blades Based on Genetic Algorithm 