# How do you calculate work from a pv diagram?

Aug 29, 2017

Let us look at a typical PV diagram. It appears as following in which Pressure is on $y$-axis and Volume is on $x$-axis.
Work can be calculated as the area of the closed curve $\text{1234}$, the grey shaded portion and mathematically we can describe it as
$\oint \text{ } P \mathrm{dV}$