A nozzle of an impulse turbine

are supplied with superheated steam at 10 bar, 250ÂșC. The steam leaves the nozzle at a pressure of 1.0 bar, the steam consumption for the turbine is 16 Kg/KW.hr when it develops 225 KW. If the throat diameter is 0.8 cm, determine the number of nozzle required and exit diameter of nozzle, assuming that the 10% of the total heat drop is lost in overcoming the friction in the divergent portion only. Neglecting the velocity of approach.

Subject : Thermal and Fluid Power Engineering

Topic : Steam Nozzle and Turbines

Difficulty : High

tfpe(66) • 267  views
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