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Define the following terms for a turbine: (I) Stage efficiency (II) Blade efficiency
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written 7.8 years ago by |
A stage is defined as the combination of a ring of nozzles (fixed blades) and a ring of moving blades. The energy supplied corresponds to the isentropic heat drop, ΔH in the nozzles. The stage efficiency, ηs is given by, $$η_s=\dfrac{\text{work done}}{\text{energy supplied per stage}}$$ The …