The Influence of Shaft’s Bending on the Coupling Vibration of a Flexible Blade-Rotor System

<table class="figure-group"><tr class="fig-image" id="a"><td><object data="https://static.hindawi.com/articles/mpe/volume-2017/7313956/figures/7313956.fig.0020a.svgz" name="7313956.fig.0020a" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(a) </b>Mode of blade (4 blades)</td></tr><tr class="fig-image" id="b"><td><object data="https://static.hindawi.com/articles/mpe/volume-2017/7313956/figures/7313956.fig.0020b.svgz" name="7313956.fig.0020b" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(b) </b>Mode of blade (7 blades)</td></tr><tr class="fig-image" id="c"><td><object data="https://static.hindawi.com/articles/mpe/volume-2017/7313956/figures/7313956.fig.0020c.svgz" name="7313956.fig.0020c" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(c) </b>Mode of rotor (4 blades)</td></tr><tr class="fig-image" id="d"><td><object data="https://static.hindawi.com/articles/mpe/volume-2017/7313956/figures/7313956.fig.0020d.svgz" name="7313956.fig.0020d" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(d) </b>Mode of rotor (7 blades)</td></tr></table>

<div>Mode shapes of rotor-blade coupling system change due to the number of blades.</div>

Mathematical Problems in Engineering

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Figure 20

Figure 20: The Influence of Shaft’s Bending on the Coupling Vibration of a Flexible Blade-Rotor System 