1.9.5. H2 Production from CH4 in Reformer
Dependence of the concentrations on the temperature in a reformer for fuel cells
1. Selection of the Elements
In main window, menu: System -> Elements: H, C, O
2. Selection of the Substances
2.1. In sub window for gases, button Comp: CH4(g), CO(g), CO2(g), H2(g), H2O(g), O2(g)
2.3. Enter for activity coefficient for C(s) (1)
as following picture shows, e.g.: C(s) can be exists in system
only as pure substance, not in any solution.
3. Definition of the Record Variables
In main window, menu: Monitoring
-> Record Definition:
In this dialog box, you can also select other variables
4. Graphic Data
4.1. In main window, menu: Monitoring -> Graphic Variables:
4.2. In main window, menu:
Monitoring -> Graphic:
In the sub window for graphic: menu: Settings -> Graphic Range
You can enter the graphic data
5.1. Enter values for input
5.2. In main window, menu:
System -> Calculation by Variation
The Application will carry out 71 calculations from the temperature
300 °C to 800 °C whit the steps of 10°C.
The results are shown in the following picture.
When you press right mouse button an the variable list on the left
side, you can define the color of a variable.
The menu Settings -> Graphic Range (in the graphic sub window ) shows a dialog box.
in which you can define the graphical parameters as picture above.