Investigation of Unsteady Aerodynamic Excitation on Rotor Blade of Variable Geometry Turbine

<figure class="figure-group responsive"><div class="sub-figure" id="a"><object data="https://static.hindawi.com/articles/ijrm/volume-2019/4396546/figures/4396546.fig.0012a.svgz" name="4396546.fig.0012a" type="image/svg+xml"></object><div class="fig-label">(a) Pressure fluctuation at 5% span</div></div><div class="sub-figure" id="b"><object data="https://static.hindawi.com/articles/ijrm/volume-2019/4396546/figures/4396546.fig.0012b.svgz" name="4396546.fig.0012b" type="image/svg+xml"></object><div class="fig-label">(b) Pressure fluctuation at 95% span</div></div></figure>

<p>Space-time plots of the unsteady pressure at endwall regions at design vane condition with nominal expansion ratio.</p>

International Journal of Rotating Machinery

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Figure 12

Figure 12: Investigation of Unsteady Aerodynamic Excitation on Rotor Blade of Variable Geometry Turbine 