Evacuation: Oper. Conds Tab

EvacuateOperConds.jpg
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

 

Initial System Pressure (bar)
The pressure of the system before the start of this operation.

1.013

Positive

Final System Pressure (bar)
The pressure of the system after the end of this operation.

0.500

Positive

Setup Time (min)
The amount of time (per cycle) spent before each operation is carried in preparation for the actual execution of the operation. It may involve actions like cleaning, vacuuming, setting up of equipment, etc. which the user opted not to model explicitly.

5.0

Positive

Evacuation Time (min)
The actual duration of the operation.

15.0

Positive

Ignore Labor?
Check this box to ignore labor for this operation. This option is used only if the process time is set by a master-slave relationship.

Yes

Yes/No

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

Specification Choices / Comments

The following list describes the available specification choices in this tab; for more details on how these are implemented, see Evacuation: Modeling Calculations.

Initial System Pressure...

The initial pressure of the system depends on the previous operations of the procedure.