Steam Turbines

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is gained. In addition, there are blades, on which high pressure
steam is exerted. Stationary blades shift the steam onto rotating blades, which
provide power. Also, turbines are equipped with wheels or drums where the
blades are mounted. A shaft for these wheels or drums is also a basic component,
as well as an outer casing that confines the steam to the area of the turbine
proper. In order to efficiently use this contraption, it is necessary to have a
number of stages. In each of these stages, a small amount of thermal energy is
converted to kinetic energy. If the entire conversion of energy took place at
once, the rotative speed of the turbine wheel would be way too excessive.
Steam turbines are really quite simple machines, that have only one
major moving part, the rotor. However, auxiliary equipment is necessary for
their operation. Journal bearings support the shaft, and an oil system provides
lubrication to these bearings. A special seal system prevents steam ...

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