Crack Detection of Fan Blade Based on Natural Frequencies

<table class="figure-group"><tr class="fig-image" id="a"><td><object data="https://static.hindawi.com/articles/ijrm/volume-2018/2095385/figures/2095385.fig.0014a.svgz" name="2095385.fig.0014a" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(a) </b>The schematic diagram of the experimental system: (1) blade; (2) acceleration sensor; (3) force hammer; (4) INV3020C; (5) DASP</td></tr><tr class="fig-image" id="b"><td><object data="https://static.hindawi.com/articles/ijrm/volume-2018/2095385/figures/2095385.fig.0014b.svgz" name="2095385.fig.0014b" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(b) </b>Arrangement diagram of the experimental system</td></tr></table>

International Journal of Rotating Machinery

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Figure 14

Figure 14: Crack Detection of Fan Blade Based on Natural Frequencies 