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Results tagged with reversibility
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user 19976
The potential for a thermodynamic process to be reversed in time. Alternatively, a quantification of how far an irreversible process is from being reversible, which relies on a comparison to a corresponding theoretical reversible process.
6
votes
Accepted
A thermodynamic transformation that can be represented by a continuous quasistatic path in i...
Let's look at your first statement:
A thermodynamic transformation that has a path (in its state space) that lies on the surface of its equation of state (e.g., $PV=NkT$) is always reversible
I …
- 58.3k
2
votes
How is this process not quasi-static yet reversible?
Since in the example you gave, the system is only in equilibrium in the initial and final states, it doesn't make sense to talk about reversibility. …
- 58.3k
22
votes
Accepted
Efficiency of Stirling engine and Carnot's theorem
Revamped Answer. 2017-07-01
There is no contradiction because your analysis only includes what happens to the gaseous working substance in the Stirling engine, and it neglects a crucial component of …
- 58.3k
6
votes
Are reversible adiabatic processes always isentropic?
Yes. For a reversible process, we have the relation
\begin{align}
dS = \frac{\delta Q}{T}
\end{align}
and for an adiabatic process, we have (by definition)
\begin{align}
\delta Q = 0,
\end{align}
…
- 58.3k