Experimental and Numerical Investigations of Surge Extension on a Centrifugal Compressor with Vaned Diffuser Using Steam Injection

<div>Spectrograms of the 1st, 2nd, 3rd, and 4th spatial harmonic pressure perturbations during stall ramp at 90% design speed with 120 kg/h steam injection.</div>

International Journal of Rotating Machinery

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Figure 10

Figure 10: Experimental and Numerical Investigations of Surge Extension on a Centrifugal Compressor with Vaned Diffuser Using Steam Injection 