A reaction turbine runs at 3000 rpm and the steam
consumption is 20000 kg/h. The pressure of steam at a certain pair is 2 bar,
its dryness fraction is 0.93 and the power developed by the pair is 50kW. The
discharge blade angle is 20° for both the fixed and moving blades and the axial
velocity of flow is 0. 72 times the blade velocity. Find
the drum diameter and the blade height. Take the tip leakage steam as 8%.
Neglect the blade thickness.
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