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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·s1)
ν        Nanofluid viscosity (kinematic) (m2·s1)
μ        Nanofluid viscosity (dynamic) (Kg·m1·s1)
Cb        Inertial coefficient (m)
σ        Electric conductivity ((Ω·m)1)
B0        Magnetic impact (A·m1)
K1        Permeability (m2)
ρ        Density of the nanofluid (Kg·m3)
σSB        Stefan–Boltzmann constant (W·K4·m2)
α        Thermal diffusivity (m2·s1)
kABS        Mean absorption factor (m1)
T        Temperature (K)
C        Concentration (mol·m3)
Tw        Temperature at the wall (K)
Cw        Concentration of nanoparticles at the wall (mol·m3)
(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 (s1)
(ρc)p        Nanoparticles’ productive heat capacity (J·m3·K1)
DT        Thermophoretic effect (m2·s1)
DB        Brownian diffusion factor (m2·s1)
Fr        Local inertia
M        Magnetic parameter
e        Positive constant number (s1)
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·m2)
γ        Deborah number
λ        Porosity parameter
Rd        Radiation factor
K        First-order chemical reaction
τ        Dimensionless thermal coefficient
δC        Corrective concentration coefficient