Re: [Phys-L] irreversible quasistatic

[Carl Mungan <mungan@usna.edu>]

> 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.

I’ve now switched to an isochoric process, so there’s no piston friction involved.

-----
Carl E. Mungan, Professor of Physics  410-293-6680 (O) -3729 (F)
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