Nonharmonic Control of the Blade-Vortex Interaction Noise of Electrically Controlled Rotor

<table class="figure-group"><tr class="fig-image" id="a"><td><object data="https://static-preview.hindawi.com/articles/ijae/volume-2022/5353681/figures/5353681.fig.0013a.svgz" name="5353681.fig.0013a" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(a) </b>Scheme A</td></tr><tr class="fig-image" id="b"><td><object data="https://static-preview.hindawi.com/articles/ijae/volume-2022/5353681/figures/5353681.fig.0013b.svgz" name="5353681.fig.0013b" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(b) </b>Scheme B</td></tr><tr class="fig-image" id="c"><td><object data="https://static-preview.hindawi.com/articles/ijae/volume-2022/5353681/figures/5353681.fig.0013c.svgz" name="5353681.fig.0013c" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(c) </b>Reference state</td></tr></table>

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International Journal of Aerospace Engineering

fig13

Figure 13

Figure 13: Nonharmonic Control of the Blade-Vortex Interaction Noise of Electrically Controlled Rotor 