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A 50% reaction (Parsons half-degree reaction) turbine is to be designed, having a mean diameter of 0.5 m and blade height of 30 mm.

A 50% reaction (Parsons half-degree reaction) turbine is to be designed, having a mean diameter of 0.5 m and blade height of 30 mm. The blade angles are 60 degrees at inlet and 160 degrees at outlet. Density of steam = 2.7 kg/m. Speed = 3000 rev/min. Calculate the specific power output, mass flow rate of steam, power developed and stage efficiency. Show the velocity diagram.

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