Compute the total-to-total and total-to-static efficiencies of a fifty per cent reaction turbine stage at aspect ratios of 1,2 and 3 from the following data: Nozzle blade air angle %₂ = 70° Mean diameter of the stage d = 100 cm Speed N= 3000 rpm Assume conditions corresponding to the maximum utilization factor. Fifty per cent reaction stage with maximum utilization factor Aspect rationa 1.0 84.06 79.6 2.0 89.50 84.50 3.0 91.46 86.26

Compute the total-to-total and total-to-static efficiencies of a fifty per cent reaction turbine stage at aspect ratios of 1,2 and 3 from the following data: Nozzle blade air angle %₂ = 70° Mean diameter of the stage d = 100 cm Speed N= 3000 rpm Assume conditions corresponding to the maximum utilization factor. Fifty per cent reaction stage with maximum utilization factor Aspect rationa 1.0 84.06 79.6 2.0 89.50 84.50 3.0 91.46 86.26

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Chapter2: Loads On Structures

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Question

Compute the total-to-total and total-to-static efficiencies of a fifty
per cent reaction turbine stage at aspect ratios of 1,2 and 3 from the
following data:
Nozzle blade air angle %₂ = 70°
Mean diameter of the stage d = 100 cm
Speed N = 3000 rpm
Assume conditions corresponding to the maximum utilization
factor.
Fifty per cent reaction stage with maximum utilization factor
Aspect ratio
1.0
84.06
79.6
2.0
89.50
84.50
3.0
91.46
86.26

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