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="tab3"><tr><td><table class="table"><colgroup><col style="width:6.13em"/><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">2</td><td class="align_center">1.143m</td><td class="align_center">0.1905m</td></tr><tr><td class="align_left" colspan="4"><hr/></td></tr><tr><td class="align_left">Aspect ratio</td><td class="align_center">Pitch angle</td><td class="align_center">Rotation speed</td><td class="align_center">Airfoil shape</td></tr><tr><td class="align_left" colspan="4"><hr/></td></tr><tr><td class="align_left">6</td><td class="align_center">8°</td><td class="align_center">1250rpm</td><td class="align_center">NACA 0012</td></tr><tr class="table-tr"><td colspan="4"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>The main parameters of C-T rotor.</div>

Mathematical Problems in Engineering

tab3

Table 3

Table 3: A Comprehensive Optimization Design Method of Aerodynamic, Acoustic, and Stealth of Helicopter Rotor Blades Based on Genetic Algorithm 