Results — 1D Distillation Column Model
Follow these steps to create Figure 15 and Figure 16. Add two plots groups to display the ethanol mole fraction in the column, and the operating lines within the distillation column.
1D Plot Group 2
1
In the Home toolbar, click Add Plot Group  and choose 1D Plot Group.
2
In the Model Builder window, under the Results node, click 1D Plot Group 2 .
3
In the Settings window for 1D Plot Group, locate the Data section.
4
From the Dataset list, choose Column Design/Parametric Solutions 1
5
From the Parameter selection (Hs) list, choose From list.
6
In the Parameter values (Hs) list, select 1.3.
Line Graph 1
1
In the Model Builder window, right-click the 1D Plot Group 2  node, and choose Line Graph .
2
Click in the Graphics window and then press Ctrl+A to select all domains.
3
In the Settings window for Line Graph, locate the y-Axis Data section.
4
In the Expression text field, type ym1.
5
Click to expand the Coloring and style section. Locate the Coloring and Style section. In the Width text field, type 2.
6
Click to expand the Legends section. Select the Show legends checkbox.
7
From the Legends list, choose Manual.
8
On the first line of the table, type Vapor phase.
Line Graph 2
1
Select the Line Graph 1  node, right-click and choose Duplicate .
2
In the Settings window for Line Graph, locate the y-Axis Data section.
3
In the Expression text field, type xm1.
4
Locate the Legends section. On the first line of the table, type Liquid phase
5
On the 1D Plot Group 2 toolbar, click Plot .
Modify the default label, the chart title, and the axis labels.
1D Plot Group 2
1
In the Model Builder window, under Results  click 1D Plot Group 2 .
2
In the Settings window for 1D Plot Group, type Mole Fractions in the Label text field.
3
Locate the Title section. From the Title type list, choose None.
4
Locate the Plot Settings section. Select the x-axis label checkbox.
5
In the associated text field, type Column Height (m).
6
Select the y-axis label checkbox.
7
In the associated text field, type Ethanol mole fraction (x1, y1).
8
Locate the Legend section. From the Position list, choose Middle right.
9
On the Mole Fractions toolbar, click Plot .
Use the Mass Fraction (tcs) plot group to visualize the operating lines.
1D Plot Group 3
1
In the Home toolbar, click Add Plot Group  and choose 1D Plot Group.
2
In the Settings window for 1D Plot Group, type Operating Lines in the Label text field.
3
Locate the Data section.
4
From the Dataset list, choose Column Design/Parametric Solutions 1
5
From the Parameter selection (Hs) list, choose From list.
6
In the Parameter values (Hs) list, select 1.3
7
Locate the Plot Settings section. Select the x-axis label checkbox.
8
In the associated text field, type Liquid ethanol mole fraction(x1).
9
Select the y-axis label checkbox.
10
In the associated text field, type Vapor ethanol mole fraction(y1).
11
Locate the Title section. From the Title type list, choose None.
12
Locate the Legend section. From the Position list, choose Middle right.
Line Graph 1
1
In the Model Builder window, right-click the Operating Lines  node, and choose Line Graph .
2
In the Settings window for Line Graph, locate the Selection section.
3
From the Selection list, choose All domains.
4
Locate the y-Axis Data section. In the Expression text field, type ym1.
5
Locate the x-Axis Data section. From the Parameter list, choose Expression.
6
In the Expression text field, type xm1.
7
Locate the Coloring and Style section. From the Color list, choose Black.
8
In the Width text field, type 2.
9
Click to expand the Legends section. Select the Show legends checkbox.
10
From the Legends list, choose Manual.
11
On the first line of the table, type Column operation.
Global 1
1
In the Model Builder window, under the Results  node, locate Operating Lines , right-click and select Global .
2
In the Settings window for Global, locate the y-Axis Data section.
3
Click Clear Table .
4
In the table, enter the following settings:
Expression
Unit
Description
x_y(P,n,x1,x2)
1
 
5
Locate the Data section. From the Data set list, choose Equilibrium Curve Parameterization/Solution 1 (sol1).
6
Locate the Coloring and Style section. In the Width text field, type 2.
7
Click to expand the Legends section. Clear the Show legends checkbox.
8
On the Operating Lines toolbar click the Plot  button.
That concludes the model.