### 16.2.8. Variables Relevant for Multicomponent Calculations

The following table contains a list of variables (with both long and short variable names) that can be used when working with multicomponent calculations. For an explanation of the column headings, see List of Field Variables.

Long Variable Name | Short Variable Name | Units | Availability | Definition
--- | --- | --- | --- | ---
Mass Fraction | mf | [ ] | 1 A, C, M, P, R, TS | The fraction of a component in a multicomponent fluid by mass.
Mass Concentration | mconc | [kg m^-3] | 2 A, C, M, P, R, TS | The concentration of a component.

Release 18.2 - © ANSYS, Inc. All rights reserved.