Academics – Applied Heat : 2010/OCT/05
Question
Q1. (a) Define the term degree of reaction relating to a turbine stage.
(b) In a 50% reaction turbine stage the steam leaves the fixed blades with a velocity of 299 m/s. The axial velocity component is 154 m/s and the blade velocity is 200 m/s.
Determine EACH of the following:
(i) The blade inlet and outlet angles
(ii) The blade work per kg
(iii) The diagram efficiency
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