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On Jul 29, 2016, at 2:27 PM, Diego Saravia <dsa@unsa.edu.ar> wrote:
I will draw two identical cycles (in the sense of having the same
vertices and connecting curves). Cycle A will consist purely of
reversible processes. Cycle B will consist of at least one
irreversible quasistatic process;
Those three sentences are incompatible. Pick any two.
That is to say, cycle A and cycle B should look different on any
reasonable "indicator diagram". If not, some key variable is being
left out, and the diagram is not a meaningful representation of the
system.
perhaps a friction force outside the system cycling, if the "friction" heat
is going outside too.