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• Humid Air Properties
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Mixture Syntax

You can also specify mixtures straight away and pass the mole fractions as part of the fluid string.

import matplotlib.pyplot as plt
from CoolPlot.Plot.Plots import PropertyPlot
fig = plt.figure()
plot = PropertyPlot("REFPROP::ISOBUTAN[0.8]&PROPANE[0.2]", 'PH', unit_system='EUR', tp_limits='ACHP', figure=fig)
plot.calc_isolines()
plot.show()

(Source code)

If you would like to specify the mass fractions instead, you have to construct the state object separately and pass it to the plot object instead of a string.

import CoolProp
state = CoolProp.AbstractState("REFPROP", "ISOBUTAN&PROPANE")
state.set_mass_fractions([0.8,0.2])
import matplotlib.pyplot as plt
from CoolPlot.Plot.Plots import PropertyPlot
fig = plt.figure()
plot = PropertyPlot(state, 'TS', unit_system='EUR', tp_limits='ACHP', figure=fig)
plot.calc_isolines()
plot.show()

(Source code)