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Thermodynamics
Table of Contents
When a gas undergoes a reversible process
in which there is heat transfer, the process frequently takes place in such a manner
that a plot of the Log P (pressure) vs. Log V (volume) is
a straightline. Or
stated in equation form PVn = a constant.
This
type of process is called a polytropic process.
An example of a polytropic process is the expansion of the
combustion gasses in the cylinder
of a water-cooled reciprocating engine.
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