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Diffstat (limited to 'fig/van-der-waals-maxwell-isotherm.tex')
-rw-r--r-- | fig/van-der-waals-maxwell-isotherm.tex | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/fig/van-der-waals-maxwell-isotherm.tex b/fig/van-der-waals-maxwell-isotherm.tex new file mode 100644 index 0000000..f938d78 --- /dev/null +++ b/fig/van-der-waals-maxwell-isotherm.tex @@ -0,0 +1,29 @@ +\begin{tikzpicture} +\pgfmathsetmacro{\a}{8000} +\pgfmathsetmacro{\b}{.9} +\pgfmathsetmacro{\R}{8.313} +\pgfmathsetmacro{\n}{1} +\pgfmathsetmacro{\T}{247} +\pgfmathsetmacro{\dT}{30} + +\begin{axis}[ + width = \linewidth, + height = 6cm, + ylabel = Druck \(p(V)\), + xlabel = Volumen \(V\), + ytick = {0}, xtick = {1}, + yticklabels = {0}, + xticklabels = {}, + ymax = 1000, + samples = 200, + domain = 1:15, + ] + + \pgfplotsinvokeforeach{0,1,2,...,6}{ + \addplot[gray, variable=\V] + {(\n*\R*(\T+#1*\dT))/(\V-\n*\b)-(\n^2*\a)/(\V^2)}; + } + + \addplot[thick,red]{0}; +\end{axis} +\end{tikzpicture} |