Pressure Pulsation Signal Analysis for Centrifugal Compressor Blade Crack Determination

<table class="table-group" width="800px"><tr class="fig-image" id="a"><td><img alt="862065.fig.0016a" src="https://static.hindawi.com/articles/mpe/volume-2014/862065/figures/862065.fig.0016a.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(a) </b>Three models for impeller</td></tr></table></td></tr><tr class="fig-image" id="b"><td><img alt="862065.fig.0016b" src="https://static.hindawi.com/articles/mpe/volume-2014/862065/figures/862065.fig.0016b.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(b) </b>A blade separated from impeller</td></tr></table></td></tr></table>

<table>Structure of impeller and blade.</table>

Mathematical Problems in Engineering

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Figure 16

Figure 16: Pressure Pulsation Signal Analysis for Centrifugal Compressor Blade Crack Determination 