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Reciprocating Steam Engines

  1. Aug 8, 2009 #1

    i'm a first year student of mech eng...although its embarassing to admit, but i actually do not understand how a double acting steam engine functions. more specifically, i dont understand the inner-mechanism of the return-stroke. how does the piston come back to the top dead centre? is the steam re-routed to the other side? or does the flywheel's inertia cause the return?

    can anybody please show me a diagram/animation of what happens inside the valve-system and cylinder during a complete revolution of the flywheel?

  2. jcsd
  3. Aug 8, 2009 #2


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