10
Steam Turbines
Contents
10.1 Introduction to steam turbines
10.2 Turbine types
10.3 Simple impulse turbines
10.4 Reaction turbines
10.5 Losses in steam turbines
10.6 Reheat factor and condition line
10.7 Governing of turbines
10.8 Questions
10.1 INTRODUCTION TO STEAM TURBINES
Steam turbine is one of the principal prime movers used for electric power generation. The steam turbine obtains its motive power from change of momentum of a jet of steam flowing over a curved vane. The steam jet exerts a pressure on the blade when it is moved over the curved surface of the blade, owing to its centrifugal force. The centrifugal pressure is exerted normal to the blade surface and acts along the whole length of the blade. The resultant of centrifugal ...
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