This document provides a summary of a presentation about turbomachines. It discusses the classification of turbomachines as either compressible or incompressible fluid machines that either transfer energy from or to a fluid using a rotating shaft. It also describes the components of turbomachines like compressors, turbines, bearings and systems used. The document discusses off-design and on-design analysis of turbomachines using the Euler turbine equation and the energy transfer between the rotor and fluid.