Research on Simulation and Performance Optimization of Mach 4 Civil Aircraft Propulsion Concept

<table class="table-group" id="tab5"><tr><td><table class="table"><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr class="thead"><td class="align_left">Frequency (Hz)</td><td class="align_center">SPL (dB)</td></tr><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr><td class="align_left">101.5967</td><td class="align_center">84.13</td></tr><tr><td class="align_left">196.1021</td><td class="align_center">90.27</td></tr><tr><td class="align_left">483.4218</td><td class="align_center">96.93</td></tr><tr><td class="align_left">957.1784</td><td class="align_center">101.47</td></tr><tr><td class="align_left">1898.007</td><td class="align_center">103.60</td></tr><tr><td class="align_left">6007.91</td><td class="align_center">102.00</td></tr><tr><td class="align_left">9579.603</td><td class="align_center">100.13</td></tr><tr class="table-tr"><td colspan="2"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Subsonic jet noise spectrum experimental data [<a href="/journals/ijae/2019/2918646/#B37" target="_blank">37</a>].</div>

International Journal of Aerospace Engineering

tab5

Table 5

Table 5: Research on Simulation and Performance Optimization of Mach 4 Civil Aircraft Propulsion Concept 