STEAM ENGINE SECTIONAL WORKING MODEL
STEAM ENGINE SECTIONAL WORKING MODEL
A steam engine utilises the energy contained in team under high pressure. The
energy that is released when steam expands is made to produce rotary motion
which can be used for driving the mechinery. The steam form boiler is admitted
into the cylinder having a piston, when the steam expends., It causes the piston
to move, when the piston has travelled to the end of the cylinder and stroke, the
expended steam is allowed to escape cylinder. At the same time the path of
the steam is changed over i.e. Live steam under pressure is admitted to the
other side of piston causing the later to travel back past its starting until it has
reached the other end of stroke. A steam engine of this type is called double
acting because force of steam is applied alternatively on two sides of piston.
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