Vibroacoustic Analysis of a Refrigerator Freezer Cabinet Coupled with an Air Duct

<table class="table-group" id="tab12"><tr><td><table class="table"><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr class="thead"><td class="align_center" colspan="2">Peak frequencies (Hz)</td></tr><tr class="thead"><td class="align_left">Freezer cavity</td><td class="align_center">Air duct</td></tr><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr><td class="align_left">31.2</td><td class="align_center">32.8 (evap. cover)</td></tr><tr><td class="align_left">56.2</td><td class="align_center">55.5 (fan louver)</td></tr><tr><td class="align_left">65.6</td><td class="align_center">—</td></tr><tr><td class="align_left">87.5</td><td class="align_center">89.8 (evap. cover)</td></tr><tr><td class="align_left">103.1</td><td class="align_center">104.0 (fan louver)</td></tr><tr><td class="align_left">118.7</td><td class="align_center">—</td></tr><tr><td class="align_left">134.3</td><td class="align_center">133.0 (fan louver)</td></tr><tr><td class="align_left">150.0</td><td class="align_center">149.0 (fan louver)</td></tr><tr><td class="align_left">178.1</td><td class="align_center">—</td></tr><tr><td class="align_left">203.1</td><td class="align_center">—</td></tr><tr class="table-tr"><td colspan="2"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

Comparison of the natural frequencies of the air duct and the peak frequencies of the freezer cavity.

Advances in Acoustics and Vibration

tab12

Table 12

Table 12: Vibroacoustic Analysis of a Refrigerator Freezer Cabinet Coupled with an Air Duct 