are of the order of those experienced in condensers in a thermal power station. Hence the chart is only useful for enthalpy changes in the expansion process of the steam cycle. Applications and usage It can be used in practical applications such as malting, to represent the grain–air–moisture system. The underlying property data for the Mollier diagram is identical to a psychrometric chart. At first inspection, there may appear little resemblance between the charts, but if the user rotates a chart ninety degrees and looks at it in a mirror, the resemblance is apparent. The Mollier diagram coordinates are enthalpy h and humidity ratio x. The enthalpy coordinate is skewed and the constant enthalpy lines are parallel and evenly spaced. See also Thermodynamic diagrams Contour line Phase diagram References Thermodynamics Entropy de:Wasserdampf#h-s-Diagramm