# Machines

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## ThermoSysPro Version 4.2

Machines  


Water/steam machines are very common since the invention of steam engines in the 18th century. Centrifugal pumps, compressors and generators are available as components here.  

For a better understanding of the underlying physics of the Stodola turbine, see Chap. 10 of {cite:p}`el19`.  
For a better understanding of the underlying physics of the centrifugal pumps, see Chap. 12 of {cite:p}`el19`.