Axial Spacing Effects on Rotor-Rotor Interaction Noise and Vibration in a Contra-Rotating Fan

<table class="table-group" id="tab1"><tr><td><table class="table"><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr class="thead"><td class="align_left">Design parameter</td><td class="align_center">Design speed (rpm)</td><td class="align_center">Chord (tip/mid/hub) (mm)</td><td class="align_center">Tip clearance (mm)</td></tr><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr><td class="align_left">Rotor 1</td><td class="align_center">−980</td><td class="align_center">195.1/210.1/223.5</td><td class="align_center">5</td></tr><tr><td class="align_left">Rotor 2</td><td class="align_center">980</td><td class="align_center">194.8/209.7/222.6</td><td class="align_center">5</td></tr><tr class="table-tr"><td colspan="4"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Design parameters of the contra-rotating axial fan.</div>

International Journal of Aerospace Engineering

tab1

Table 1

Table 1: Axial Spacing Effects on Rotor-Rotor Interaction Noise and Vibration in a Contra-Rotating Fan 