Mechanism Study and Reduction of Minivan Interior Booming Noise during Acceleration

<table class="table-group" id="tab6"><tr><td><table class="table"><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr class="thead"><td class="align_left">Mode</td><td class="align_center">Frequency (Hz)</td><td class="align_center">Damping ratio</td></tr><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr><td class="align_left">1</td><td class="align_center">1.6</td><td class="align_center">0.0205</td></tr><tr><td class="align_left">2</td><td class="align_center">6.9</td><td class="align_center">0.0067</td></tr><tr><td class="align_left">3</td><td class="align_center">29.6</td><td class="align_center">0.0002</td></tr><tr><td class="align_left">4</td><td class="align_center">37.7</td><td class="align_center">0.0416</td></tr><tr><td class="align_left">5</td><td class="align_center">50.5</td><td class="align_center">0.0114</td></tr><tr><td class="align_left">6</td><td class="align_center">209.5</td><td class="align_center">0.0434</td></tr><tr><td class="align_left">7</td><td class="align_center">215.8</td><td class="align_center">0.0980</td></tr><tr class="table-tr"><td colspan="3"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Torsional vibration modal frequency.</div>

Shock and Vibration

tab6

Table 6

Table 6: Mechanism Study and Reduction of Minivan Interior Booming Noise during Acceleration 