Оценка:
Опубликованно: 28.01.1997.
Язык: Английский
Уровень: Средняя школа
Литературный список: Нет
Ссылки: Не использованы
  • Эссе 'Steam Turbines', 1.
Фрагмент работы

Steam Turbines
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 made can revolve at any speed approaching the velocity that a steam
turbine can. By utilizing the kinetic energy of steam flow, the turbine could achieve a higher
efficiency. As a result, the steam turbine has supplanted the reciprocating engine as a prime
mover in large electricit…

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