WOLFRAM|DEMONSTRATIONS PROJECT

Pressure-Enthalpy Diagram for Water

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view lines of constant:
vapor quality
temperature
density
entropy
color
black & white
grid lines
critical
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This Demonstration shows a pressure-enthalpy (
P
-
H
) diagram for water. Check and uncheck the boxes to add or remove a property from the diagram: you can plot the lines of constant vapor quality
q
(blue), temperature
T
(green), density
ρ
(orange, dashed), and entropy
S
(purple, dashed). Check the "critical" box to view the saturated liquid (light blue) and vapor (red) curves and the critical isotherm (pink). View the diagram in color or black and white using buttons, or remove the grid lines using a checkbox.