A theoretical and experimental investigation into the component losses in the working passages of turbo machinery

In the thermodynamic design of turbines and compressor's it is essential firstly to decide on the basic features of the machine. In turbines, for example, one must determine whether high specific mechanical energy output is the aim or whether one may sacrifice some of this high specific output for an increase in gross stage efficiency. It is then necessary to decide on such factors as blade speeds, stream velocities and degree of reaction or compression. Formerly in steam turbine practice the blading was either of pure impulse design or a 5