The Effect of Fractures on the Reclamation ofNAPL
79
Acknowledgments: This study has been supported by the Grand Water
Research Institute (GWRI), Technion - Israel Institute of Technology and by the
Fund for the Promotion of Research at the Technion.
Notation
a
B
C
Cay
Cb
Cnv
CnvO
C·
C:v
C· b
C· s
f
ibl
ifr
imax
J
Jh
JhO
i
ia
ic
Kb
K f
KjO
k
k f
kfJ
M f
nc
NM
N Q
NSE
interfacial area per unit volume of porous media, rl
surface area to volume of a blob, rl
characteristic length between adjacent fracture intersections, L
normalized NAPL solute concentration in the fracture flow
normalized flux average solute concentration in the cross section
normalized solute concentration in the permeable block flow
equilibrium volumetric concentration ofNAPL solute
equilibrium volumetric concentration ofNAPL solute of reference
NAPL solute concentration in the fracture flow, ML- 3
flux average NAPL solute concentration in the cross section, Mr 3
NAPL solute concentration in the permeable block flow, Mr 3
equilibrium concentration ofNAPL solute, Mr 3
fraction of blob surface area exposed to mobile water
number of considered permeable block
number of considered fracture segment and matrix section
number of vertical grid point
number of vertical grid points
normalized hydraulic gradient
hydraulic gradient
hydraulic gradient of reference
number oflongitudinal grid point
number of grid point for the calculation of Cav
number of the downstream end longitudinal grid point
hydraulic conductivity of permeable blocks, LTI
dimensionless mass transfer coefficient
initial value of K f
number of fracture segment nodal point
mass transfer coefficient
number of fracture segment nodal point for calculation of Cav
mobility of the fracture, L2T l
number of contaminated sections
mobility number
discharge number
parameter of the surfactant effect