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Steam Turbines
Beginning of essay
The invention of the water turbine was so successful that eventually,
the idea came about for extracting power from steam. Steam has one great
advantage over water-it expands in volume with tremendous velocity. To be the
most effective, a steam turbine must run at a very high speed. No wheel mad ....
Middle of essay
....ese 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 fro.... |
| Number of words: 452 |
Approximate pages: 2 |
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