turbomachine

thumb|Mounting of a steam turbine produced by [[Siemens, Germany]] thumb|Aircraft engine, in this case on a Boeing 777 Turbomachinery, in mechanical engineering, describes machines that transfer energy between a rotor and a fluid, including both turbines and compressors. While a turbine transfers energy from a fluid to a rotor, a compressor transfers energy from a rotor to a fluid. It is an important application of fluid mechanics.