Table 1. Table of Parameters, Definitions, and Values
Parameters Value (Fault materials) Value (Loess)
σn0 NA is the Avogadro number NA is the Avogadro number
τc* NA is the Avogadro number NA is the Avogadro number
a R is the Gas constant R is the Gas constant
b R is the Gas constant R is the Gas constant
QS (KJ/mol) Surface activation energy
210
660
QV (KJ/mol) Volume activation energy
240
400
ΩS (10-29m3) Surface activation volume
6.00
3.10
ΩV (10-29m3) Volume activation volume
6.80
1.40
B Prefactor
0.8
0.9
r0 (mm) Contact radius
5
5
tc (s) Cutoff time
tcr (s) Reference cutoff time
2
2
Tcr (K) Reference temperature
300
300
Etc (KJ/mol) Activation energy for tc
Vsmax (m/s) Maximum shear rate
1875
200
T0 (K) Ambient temperature
300
300
C (J/kg/K) Specific Heat Capacity
730*(170-200/Tc)
3000-(300000/Tc)
β (m2/s) Thermal diffusivity
β0×10-4/Tc-0.5×10-7
λ/(ρ · C)
β 0(m2/s) Thermal diffusivity
2.5
-
ρ (kg/m3) Density
2650
1400
λ (W/m/K) Heat transfer rate
-
1.2
Dth Thermal equilibration distance here assume k = 5, q = -1. here assume k = 5, q = -1.
σn (MPa) Applied normal stress
5
0.2
Tm (K) (Pre) melting temperature
1670
1850
A 0.005 0.005, 0.0005, 0.03, 0.4
Dhyd (m2/s) Hydraulic diffusivity
-
0.0008
cf (kPa-1) Compressibility of the pore space
-
-
cpp (kPa-1) Compressibility of the pore fluid
-
-
cpp + cf (kPa-1) 3×10-7
η (Pa·s) Fluid viscosity
-
3×10-4 ~ 1.8×10-3
k (m2) Permeability
-
1×10-14 ~ 1×10-10
K (m/s) Hydraulic conductivity
-
E = 2.172×10-8 , F = 10.55