Editing Mixing (process engineering) (section)

== Basic nomenclature ==
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For liquid mixing, the nomenclature is rather standardized:

* Impeller Diameter, "D" is measured for industrial mixers as the maximum diameter swept around the axis of rotation.
* Rotational Speed, "N" is usually measured in revolutions per minute (RPM) or revolutions per second (RPS).  This variable refers to the rotational speed of the impeller as this number can differ along points of the drive train.
* Tank Diameter, "T" The inside diameter of a cylindrical vessel. Most mixing vessels receiving industrial mixers will be cylindrical.
* Power, "P" Is the energy input into a system usually by an [[electric motor]] or a [[pneumatic motor]]
* Impeller Pumping Capacity, "Q"  The resulting fluid motion from impeller rotation.