Table 1.

Nomenclature of the Nonmechanical Material Properties

Symbol	Meaning	Unit
F	Formation factor	Dimensionless
f	Fraction of counterions in the Stern layer	Dimensionless
m	Cementation exponent	Dimensionless
n	Saturation exponent	Dimensionless
λ	Brooks and Corey exponent	Dimensionless
r	Coupling coefficient saturation exponent	Dimensionless
q	Characteristic time saturation exponent	Dimensionless
kS	Permeability at saturation	m2
k0	Low-frequency permeability	m2
kr	Relative permeability	Dimensionless
	Complex permeability	m2
Kh	Hydraulic conductivity	m s−1
Ks	Hydraulic conductivity at saturation	m s−1
CS	Coupling coefficient at saturation	V m−1
C0	Low-frequency coupling coefficient	V m−1
Cr	Relative coupling coefficient	Dimensionless
	Complex streaming potential coupling coefficient	V m−1
	Electroosmotic coupling coefficient	C m−3
ϕ	Porosity	Dimensionless
σ	Electrical conductivity	S m−1
σ′	In-phase electrical conductivity	S m−1
σ″	Quadrature conductivity	S m−1
	Complex effective electrical conductivity	S m−1
	(Real) effective electrical conductivity	S m−1
	Surface conductivity of the solid phase	S m−1
	Complex electrical conductivity	S m−1
	(Real) effective dielectric constant	F m−1
	Dielectric constant	F m−1
	Streaming current coupling coefficient	A m−2
	Moveable charge density at low frequency	C m−3
	Moveable charge density at high frequency	C m−3
	Complex moveable charge density	C m−3
	Total charge density from the CEC	C m−3
	Charge density of the diffuse layer	C m−3
	Magnetic permeability	H m−1