The first part of this paper reviews the progress made in improving the aerodynamic design of axial flow turbines and describes experience at the National Gas Turbine Establishment (N.G.T.E.) in the use of some of these techniques. The second part of the paper discusses the present status of internal air cooling for turbine blades and shows how some of the design techniques established for aero-engines might be exploited in the field of power generation.
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