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Geometry and Heat Transfer Data

Chemistry | Generated Chemistry | Entering Stream Data | RadFrac | To Specify that this | Profiles | Converting to True Components | To Tell Aspen Plus to | Simulation | Directory |


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In this section, you will enter geometry and heat transfer data for

the condenser and reboiler. Geometry data is used to calculate the

vessel holdups. The required data are the vessel orientation, head

type, length and diameter.

For heat transfer purposes, you will use log-mean temperature

difference (LMTD) assumptions for the condenser. Heat duty is

dependent on the log mean temperature differential between the

process fluid and the heating/cooling medium. The reboiler heat

duty is assumed constant:

1. Click the Condenser sheet.

2. In the Heat transfer option box, click the down arrow to see

more options and from the list displayed, click LMTD.

Do not change the other default values. The Condenser sheet is

now complete.

3. Click Next to go to the Reflux Drum sheet.

4. In the Vessel Type box, select Horizontal from the list box.

1-10Tutorial 1 - Entering Dynamic Data and Exporting a File Getting Started Guide

5. In the Length box, type 6 ft and in the Diameter box, type 3 ft,

like this:

Do not change the other values. The Reflux Drum sheet is now

complete.

6. Click Next to continue and the Sump sheet appears.

7. In the Height box, type 5 ft and in the Diameter box, type 3 ft.

Do not change the other values.

8. Press Enter to accept the input.

The Sump sheet is now complete and you have finished entering

data for the condenser and reboiler.


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