he absolute velocity of the steam leaving the stage; The diagram efficiency.
he absolute velocity of the steam leaving the stage; The diagram efficiency.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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The following particulars apply to a two-row velocity compounded impulse stage of a turbine: nozzle angle 17o; blade speed 125 m/s; exit angle of the first row moving blades, the fixed blades, and the second row moving blades, 22,26, and 30o respectively. Take the blade velocity coefficient for each row of blades as 0.9, and assume that the absolute velocity of the steam leaving the stage is in the axial direction. Draw the velocity diagram for the steam and find:
- The absolute velocity of the steam leaving the stage;
- The diagram efficiency.
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