1. Sub-Flowsheet Operations 2-15
2-15
The MASSBAL property view consists of six tabs:
• Connections
• Parameters
• Transfer Basis
• Mapping
• Notes
• Results.
The following sections describe each tab.
2.5.1 Connections Tab
The Connections tab allows you to choose between opening a
previously created case or generating a case in the MASSBAL flowsheet.
The table below briefly describes the four groups on the Connections
tab.
Group Description
Mode Click on one of the radio buttons to select the mode you
want to use. There are two radio buttons:
• Read from File. Select this radio button if you want to
use an existing case. For more information, refer to the
section on Reading in Previously Created Cases.
• Read from Flowsheet. Select this radio button if you
want to generate a case in the MASSBAL flowsheet.
For more information refer to the section on
Generating Cases via the MASSBAL Flowsheet.
Solving Mode Click on one of the radio buttons to select the mode you
want to use. There are two radio buttons:
• MASSBAL
• Sequential Modular
Feed Connections to
Sub-Flowsheet
Allows you to select the external stream you want to enter
the MASSBAL sub-flowsheet. In the External Stream
column, you can either type in the name of the stream or you
can select a pre-defined stream from the drop-down list.
Product Connections
to Sub-Flowsheet
Allows you to select the external stream you want to exit the
MASSBAL sub-flowsheet. In the External Stream column,
you can either type in the name of the stream or you can
select a pre-defined stream from the drop-down list.
You can change the name of the MASSBAL operation or the Tag name by
typing the new name in the Name field or Tab field respectively.
The Solving Mode group is
only available if you select
the Read from Flowsheet
radio button in the Mode
group.