Greek Letters
$\alpha$	Thermal diffusivity
$\Delta P$	Pressure drop
$\Delta T$	Temperature difference
$ϵ$	Porosity
${\kappa }_{r,nf}$	Relative permeability of the NF
${\kappa }_{r,o}$	Relative permeability of the oil
$\lambda$	Pore-size distribution index
$\mu$	Dynamic viscosity
$\rho$	Density
$\theta$	Contact angle
Latin Letters
$B_c$	Square root of the permeability
C	NP concentration
$C_p$	Specific heat capacity
D	Diffusivity
$D_c$	Diffusion coefficient
g	Acceleration due to gravity
h	Film thickness
K	Absolute permeability
L	Characteristic length
P	Pressure
$P_c$	Capillary pressure
$Pr$	Prandtl number
$Re$	Reynolds number
$S_e$	Effective saturation
$S_{nf}$	NF saturation
$S_o$	Oil saturation
$S_{rnf}$	Residual saturation of the NF
$S_{ro}$	Oil residual saturation
T	Temperature
$T_{in}$	Inlet temperature of the NF
$T_{init}$	Initial temperature of the system
t	Time
u	Flow velocity
$u_{nf}$	Input velocity of the inlet fluid
$VF$	Volume Fraction
Dimensionless Numbers
$Bi$	Biot number
$Nu$	Nusselt number
$Pe$	Peclet number
$Pr$	Prandtl number
$Re$	Reynolds number
$Sc$	Schmidt number
$Sh$	Sherwood number