An Image Based Mathematical Model for the Propagation of Fan Noise in a  Plenum with Large Side Openings

<table class="table-group" id="tab2"><tr><td><table class="table"><tr><td class="thead-hr" colspan="7"><hr/></td></tr><tr><td align="left">Octave frequency, Hz</td><td align="center">250</td><td align="center">500</td><td align="center">1000</td><td align="center">2000</td><td align="center">4000</td><td align="center">Overall</td></tr><tr><td align="center" colspan="7"><hr/></td></tr><tr><td align="left">A-weighted PWL, dBA</td><td align="center">109</td><td align="center">114</td><td align="center">117</td><td align="center">112</td><td align="center">107</td><td align="center">120</td></tr><tr class="table-tr"><td colspan="7"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

Advances in Acoustics and Vibration

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Table 2

Table 2: An Image Based Mathematical Model for the Propagation of Fan Noise in a  Plenum with Large Side Openings 