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12-04-2024
Physics

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An impulse steam turbine nozzle has an efficiency of 70% and an inlet total pressure and total temperature of 1.5MPa and 623.15 K. At the outlet, the static pressure is 1 bar and the absolute flow angle is 65∘. If U=0.65Cθ2 and if the rotor efficiency is also 70%, find the relative velocities at the rotor inlet and outlet.

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