Steam turbines; a practical and theoretical treatise for engineers and students, including a discussion of the gas turbine . Fig. i. A Small Modern Steam Turbine with Part of the Casting Removed. steam at mathematically exact angles, calculated to make thesteam strike the blades of the wheel most advantageously. Fig. i is an illustration of a modern steam turbine with a partof the casing removed to show the construction. The turbine INTRODUCTION wheel W is shown here with numerous blades on its steam comes to the turbine from the boilers through a suitablesteam main connected
Steam turbines; a practical and theoretical treatise for engineers and students, including a discussion of the gas turbine . Fig. i. A Small Modern Steam Turbine with Part of the Casting Removed. steam at mathematically exact angles, calculated to make thesteam strike the blades of the wheel most advantageously. Fig. i is an illustration of a modern steam turbine with a partof the casing removed to show the construction. The turbine INTRODUCTION wheel W is shown here with numerous blades on its steam comes to the turbine from the boilers through a suitablesteam main connected to the top of the turbine at M and passesdown through the pipe A to the steam-chest B. From this steam-. Fig. 2. The Turbine Wheel and Nozzles. chest it is guided through one or more nozzles, from which itescapes at a high velocity to impinge on the blades on the circum-ference of the turbine wheel, which is thus made to rotate, andperforms work by moving machinery connected to the from which the steam is discharged are located aroundthe periphery of the wheel as shown in Fig. 2 with their enlarged THE STEAM TURBINE ends, technically called mouths, very close to the blades.* Steamafter passing through the blades enters the exhaust pipe at E(Fig. i) and is discharged into the atmosphere or into a condenser,depending on whether the operation is non-condensing or con-densing. Preliminary to the study of the modern commercial types ofsteam turbines it is desirable to state briefly some of the mostimportant stages through which this very ancient form of steammotor has passed in its development. Early History. The earliest notices of heat engines of anykind are found in a book by
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Keywords: ., bookcentury1900, bookdecade1910, bookpublishernewyorkwiley, books
