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. 2022 Feb 26;13(3):368. doi: 10.3390/mi13030368
x,y        Cartesian coordinates/m
u(x,y),v(x,y)        Coordinates of the velocity vector (m·s−1)
ν        Nanofluid viscosity (kinematic) (m2·s−1)
μ        Nanofluid viscosity (dynamic) (Kg·m−1·s−1)
Cb        Inertial coefficient (m)
σ        Electric conductivity ((Ω·m)−1)
B0        Magnetic impact (A·m−1)
K1        Permeability (m2)
ρ        Density of the nanofluid (Kg·m−3)
σSB        Stefan–Boltzmann constant (W·K−4·m−2)
α        Thermal diffusivity (m2·s−1)
kABS        Mean absorption factor (m−1)
T        Temperature (K)
C        Concentration (mol·m−3)
Tw        Temperature at the wall (K)
Cw        Concentration of nanoparticles at the wall (mol·m−3)
(ρc)        Nanofluid’s productive heat capacity
T∞        Temperature far away from the surface (boundary condition)
C∞        Concentration of nanoparticles far away from the surface
(boundary condition)
Cr        Chemical reaction (s−1)
(ρc)p        Nanoparticles’ productive heat capacity (J·m−3·K−1)
DT        Thermophoretic effect (m2·s−1)
DB        Brownian diffusion factor (m2·s−1)
Fr        Local inertia
M        Magnetic parameter
e        Positive constant number (s−1)
Le        Lewis factor
Nb        Brownian diffusion parameter
Pr        Prandtl factor
Nt        Thermophoretic parameter
Nux        Local Nusselt number (heat flux)
Shx        Local Sherwood number (mass flux)
f′        Dimensionless velocity
η        Dimensionless variable
ϕ        Dimensionless concentration of the nanoparticles
θ        Dimensionless temperature field
λ1        Relaxation time involvement
qr        Radiative heat flux (W·m−2)
γ        Deborah number
λ        Porosity parameter
Rd        Radiation factor
K        First-order chemical reaction
τ        Dimensionless thermal coefficient
δC        Corrective concentration coefficient