### 2.9.2. Standard Variable Names

The following table gives a list of valid variable names that can be used in profile files.

Variable | Variable Name(s) in Profile File
--- | ---
Epsilon | ed, Turbulence Eddy Dissipation
Fixed Temperature | T, Temperature
Heat Flux in | Qwall, Wall Heat Flux
Heat Transfer Coefficient | htc, Wall Heat Transfer Coefficient
k | ke, Turbulence Kinetic Energy
Mass Fraction | mf, Mass Fraction
Normal Speed | Velocity
Outside Temperature | T, Temperature
Pressure Profile Shape | p, Pressure, ptot, Total Pressure, ptotstn, Total Pressure in Stn Frame
Relative Pressure | p, Pressure, ptot, Total Pressure, ptotstn, Total Pressure in Stn Frame
Relative Static Pressure | p, Pressure
Static Temperature | T, Temperature
Stationary Frame Total Temperature | T, Temperature, Ttot, Total Temperature, Ttotstn, Ttotal Temperature in Stn Frame
Total Temperature | T, Temperature, Ttot, Total Temperature, Ttotstn, Total Temperature in Stn Frame
U | u, Velocity u, Velocity in Stn Frame u
Unit Vector X Component | veldir u, Velocity Direction u
Unit Vector Y Component | veldir v, Velocity Direction v
Unit Vector Z Component | veldir z, Velocity Direction z
V | v, Velocity v, Velocity in Stn Frame v
Velocity Axial Component | velaxial, Velocity Axial, w, Velocity w, velstn w, Velocity in Stn Frame w
Velocity r Component | velradial, Velocity Radial, u, Velocity u, velstn u, Velocity in Stn Frame u
Velocity Theta Component | velcirc, Velocity Circumferential, v, Velocity v
Volume Fraction | vf, Volume Fraction
W | w, Velocity w, Velocity in Stn Frame w
Wall U | u, Velocity u, Velocity in Stn Frame u
Wall V | v, Velocity v, Velocity in Stn Frame v
Wall W | w, Velocity w, Velocity in Stn Frame w
Wall Velocity r Component | u, Velocity u, Velocity in Stn Frame u
Wall Velocity Theta Component | v, Velocity v, Velocity in Stn Frame v
Wall Velocity Axial Component | w, Velocity w, Velocity in Stn Frame w

Some variables require a prefix to include the material name (for example, air.vf corresponds to the volume fraction of air). For details, see System Variable Prefixes in the CFX Reference Guide.

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