Flash Evaporation: Numerics Tab

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Variable Definitions, Ranges and Default Values

The following table shows a brief description of the variables appearing in this tab. The table also displays their default values and their generally acceptable range:

Variable

Default Value

Range

 

○ Solution Relative Tolerance

10-3

Positive

○ Residuals Tolerance

10-4

Positive

● Iter #
The iteration number.

 

Positive Integer

● Ext. Loop Residual
The external loop maximum residual for each iteration.

 

Positive

● Int. Loop Residual
The internal loop maximum residual for each iteration.

 

Positive

○ Vapor Fallback Strategy (%)

The (%) in the vapor stream in cases flash calculations fail.

0 or 100

 

[0, 100]

● Liquid Fallback Strategy (%)

The (%) in the liquid stream in cases flash calculations fail.

0 or 100

 

[0, 100]

Symbol Key: ○ User-specified value (always input); ● Calculated value (always output); ◙ Sometimes input, sometimes output