[Retracted] Streamline Effect Improvement of Additive Manufactured Airfoil Utilizing Dynamic Stream Control Procedure

<table class="table-group" id="tab3"><tr><td><table class="table"><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr class="thead"><td class="align_left">Type of tunnel</td><td class="align_center">Subsonic, open circuit, suction type</td></tr><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr><td class="align_left">Test section</td><td class="align_center">1000 mm × 1000 mm (inside)</td></tr><tr><td class="align_left">Air speed (velocity)</td><td class="align_center">30 m/s</td></tr><tr><td class="align_left">Contraction ratio</td><td class="align_center">9 : 1</td></tr><tr><td class="align_left">Contraction length</td><td class="align_center">2.25 m</td></tr><tr><td class="align_left">Drive</td><td class="align_center">Axial flow fan driven by AC motor with AC drive speed controller</td></tr><tr><td class="align_left">Overall size</td><td class="align_center">4-meter × 4-meter × 13.5 meters (approximately)</td></tr><tr><td class="align_left">Power requirement</td><td class="align_center">A.C 15 HP (11 kW), 440 volts, electrical supply with neutral &amp; earth connections</td></tr><tr class="table-tr"><td colspan="2"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Specifications of wind tunnel.</div>

Advances in Materials Science and Engineering

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Table 3

Table 3: [Retracted] Streamline Effect Improvement of Additive Manufactured Airfoil Utilizing Dynamic Stream Control Procedure 