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Heat and Mass Transfer

Excel Workbooks

Mollier (Enthalpy-Entropy) Diagram

UPDATED: 06/05/2018

The Mollier Diagram provides a useful way of depicting states and processes in a graphical format. This workbook for water allows you to plot points (obtained using the CoolProp Excel add-in directly) on a Mollier-Diagram found online at engineeringtoolbox.com. In theory you could use the CoolProp functions to create your own Mollier diagram from scratch, but Excel won’t allow you to plot that complicated a data set.

Mollier Diagram (enthalpy-entropy) from Engineeringtoolbox.com, with data points found using Coolprop Excel add-in superimposed.

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