### 16.2.3. Variables Relevant for Buoyant Flow

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

Long Variable Name | Short Variable Name | Units | Availability | Definition
--- | --- | --- | --- | ---
Thermal Expansivity | beta | [K^ -1] | 2 C | For details, see Buoyancy in the CFX-Solver Modeling Guide.

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