Page 42 - Modelling in Transport Phenomena A Conceptual Approach
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2.1. MOLECULAR TRANSPORT 23
Graphical method
The plot of CA versus x is given in Figure 2.5. The slope of the tangent to the
curve ut x = 0 is - 0.0023 ( mol/m3)/cm.
0.12
0 10 20 30 40 50
x (cm)
Figure 2.5 Concentration of species d as a function of position.
Curve fitting method
Semi-log plot of CA uemus x is shown in Figure 2.6.
0.08 -
m^ 0.06-
E
L
8
- 0.04-
3
0.02 -
0.01 I I I I
0 IO 20 30 40
x (cm)
Figure 2.6 Concentration of species d as a function of position.
