Page 24 - gas transport in porous media
P. 24
Chapter 2: Gas Transport Mechanisms
3
∆p =0 17
ADM
TOUGH2-DGM
2 T
Data N He
Flux (10 –8 mol/cm 2 –s) 1
DGM
ADM
0
T
N Ar
–1
0.0 2.0 4.0 6.0 8.0
P (atm)
Figure 2.1. Mole flux data-model comparison for zero pressure difference conditions (reprinted from
Webb, 1998 with permission with minor modifications)
1.0 1.0
ADM
T T
N He =–N Ar
Flux (10 –8 mol/cm 2 –s) 0.5 DGM T ∆P (atm) 0.5 ADM
T
N He =–N Ar
TOUGH2-DGM
DGM
TOUGH2-DGM
Data
Data
0.0 0.0
0.0 2.0 4.0 6.0 8.0 0.0 2.0 4.0 6.0 8.0
P (atm) P (atm)
(a) Mole flux (b) Pressure difference
Figure 2.2. Data-model comparison for zero net mole flux conditions (reprinted from Webb, 1998 with
permission with minor modifications)