Control of Surge in Centrifugal Compressor by Using a Nozzle Injection System: Universality in Optimal Position of Injection Nozzle

<table class="table-group" width="800px"><tr class="fig-image" id="a"><td><img alt="259293.fig.0010a" src="https://static.hindawi.com/articles/ijrm/volume-2012/259293/figures/259293.fig.0010a.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(a) </b>Normal</td></tr></table></td></tr><tr class="fig-image" id="b"><td><img alt="259293.fig.0010b" src="https://static.hindawi.com/articles/ijrm/volume-2012/259293/figures/259293.fig.0010b.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(b) </b>TT(0)  </td></tr></table></td></tr><tr class="fig-image" id="c"><td><img alt="259293.fig.0010c" src="https://static.hindawi.com/articles/ijrm/volume-2012/259293/figures/259293.fig.0010c.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(c) </b>TT(180)</td></tr></table></td></tr></table>

<table>Spectrum of pressure fluctuation at delivery duct during surge for Type A. </table>

International Journal of Rotating Machinery

fig10

Figure 10

Figure 10: Control of Surge in Centrifugal Compressor by Using a Nozzle Injection System: Universality in Optimal Position of Injection Nozzle 