A single-sided centrifugal compressor is rotating at a rotational speed N of 290 rev per second. Its power input factor (y) is 1.04 and the slip factor (s) is 0.9. The isentropic efficiency hc is 0.78 and the ambient temperature is 295 K. The air mass flow rate is 9 kg s-1 and the overall diameter of the impeller is 0.5 m. Calculate the pressure ratio p03/p01 and the power required to drive the compressor. For air cp = 1.01 kJ kg-1 K-1

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