| Similarities to centrifugal pump
Centrifugal compressors are also similar to [[centrifugal pump]]sref of the style shown in the adjacent figures. The key difference between such compressors and pumps is that the compressor working fluid is a gas (compressible) and the pump working fluid is liquid (incompressible). Again, the engineering methods used to design a centrifugal pump are the same as those to design a centrifugal compressor. Yet, there is one important difference: the need to deal with [[cavitation]] in pumps.
| [[File:Centrifugal Pump-mod.jpg|thumb|A 3D-solids model of a type of [[centrifugal pump]]]]
| [[File:Centrifugal Pump.png|thumb|Cut-away of a [[centrifugal pump]]]]
| Similarities to radial turbine
Centrifugal compressors also look very similar to their turbomachinery counterpart the as shown in the figure. While a compressor transfers energy into a flow to raise its pressure, a turbine operates in reverse, by extracting energy from a flow, thus reducing its pressure.ref In other words, power is input to compressors and output from turbines.
| [[File:RadialInflowturbine.JPG|thumb|Cutaway showing a radial-inflow turbine that looks similar to the turbine shown in Figure 3.1]]
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* In automotive engine and [[diesel engine]] [[turbocharger]]s and [[supercharger]]s.ref Ref. Figure 1.1
:Centrifugal compressors used in conjunction with reciprocating internal combustion engines are known as turbochargers if driven by the engine’s exhaust gas and turbo-superchargers if mechanically driven by the engine. Standards set by the industry for turbochargers may have been established by .ref Ideal gas properties often work well for the design, test and analysis of turbocharger centrifugal compressor performance.
* In [[pipeline transport|pipeline compressors]] of [[natural gas]] to move the gas from the production site to the consumer.ref