Effect of the Unsteadiness on the Diffuser Flow in a Transonic Centrifugal Compressor Stage

<table class="table-group" width="800px"><tr class="fig-image" id="a"><td><img alt="932593.fig.0015a" src="https://static.hindawi.com/articles/ijrm/volume-2009/932593/figures/932593.fig.0015a.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(a) </b>unsteady pressure</td></tr></table></td></tr><tr class="fig-image" id="b"><td><img alt="932593.fig.0015b" src="https://static.hindawi.com/articles/ijrm/volume-2009/932593/figures/932593.fig.0015b.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(b) </b>unsteady entropy</td></tr></table></td></tr></table>

<table>Hub-to-shroud evolution of the spinning modes energy according to their type of transport, at mid inter row gap.</table>

International Journal of Rotating Machinery

fig15

Figure 15

Figure 15: Effect of the Unsteadiness on the Diffuser Flow in a Transonic Centrifugal Compressor Stage 