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75 lines
1.9 KiB
ReStructuredText
75 lines
1.9 KiB
ReStructuredText
.. _python-plotting-old:
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Old Python Plotting
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===================
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.. note::
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The python plotting API has been changed as of v4.0. Examples using the
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new python plotting API can be found here :ref:`python-plotting`. Some
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backwards compatability was maintained, so the following example should
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still work.
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The following example can be used to create a Temperature-Entropy plot for
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propane (R290):
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.. plot::
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:include-source:
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from CoolProp.Plots.Plots import Ts
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Ts('R290', show=False)
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The following example can be used to create a Pressure-Enthalpy plot for R410A:
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.. plot::
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:include-source:
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from CoolProp.Plots.Plots import Ph
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Ph('R410A', show=False)
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The available plots are:
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==== ====================
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PT Pressure-Temperature
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Prho Pressure-Density
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Ph Pressure-Enthalpy
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Ps Pressure-Entropy
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Trho Temperature-Density
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Ts Temperatre-Entropy
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hs Enthalpy-Entropy
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==== ====================
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The following example will overlay a simple four-component cycle on a R410A
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Pressure-Enthalpy plot.
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.. plot::
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:include-source:
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from matplotlib import pyplot
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from CoolProp.Plots.Plots import Ph
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from CoolProp.Plots.SimpleCycles import SimpleCycle
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Ph('R410A')
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SimpleCycle('R410A', 250, 300, 5, 5, 0.7)
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#pyplot.show()
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A more advanced example using built-in functions to draw lines of constant
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properties is given below. Note the different ways to invoke drawIsoLines:
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.. plot::
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:include-source:
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from matplotlib import pyplot
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from CoolProp.Plots.Plots import Ts, drawIsoLines
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Ref = 'n-Pentane'
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ax = Ts(Ref)
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ax.set_xlim([-0.5, 1.5])
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ax.set_ylim([300, 530])
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quality = drawIsoLines(Ref, 'Ts', 'Q', [0.3, 0.5, 0.7, 0.8], axis=ax)
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isobars = drawIsoLines(Ref, 'Ts', 'P', [100, 2000], num=5, axis=ax)
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isochores = drawIsoLines(Ref, 'Ts', 'D', [2, 600], num=7, axis=ax)
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#isenthalps = drawIsoLines(Ref, 'Ts', 'H', [100, 300], num=5, axis=ax)
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#pyplot.show()
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