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. 2022 Jan 12;13(1):116. doi: 10.3390/mi13010116
List of variables Description S.I. Units
a Constants s1
B0 Strength of uniform magnetic field Tesla
Bi Biot number
b Constant s1
CP Specific heat at constant Pressure Jkg1K1
d&c Stretching/shrinking parameter along x and y axis
Da1 Inverse Darcy number
f Non dimensional transverse velocity
g Non dimensional velocity
fη Non dimensional Tangential velocity
k Material constant W/mK
h Heat transfer coefficient
k Material constant W/mK
k* Coefficient of mean absorption m2
K Permeability of porous medium m2
L Coefficient of first order slip
l Characteristic length
M Hartman number
Pr Prandtl number
qr Radiative heat flux
qw Local heat flux Wm2
R Radiation parameter
Vc Mass transpiration
T Far field temperature K
Tw Wall temperature K
T Temperature K
u,v,w Velocities along x, y, and z direction, respectively ms1
x,y,z Cartesian coordinates m
w0 Wall transpiration ms1
Greek symbols
β Dimensionless viscoelastic parameter
λ Solution domain
η Similarity variable
γ Porosity parameter
γ0 Porosity
μ Dynamic viscosity m1s1
ν Kinematic viscosity m2s1
κ Thermal conductivity Wm1K1
ρ Fluid density kgm3
θ Dimensionless temperature
σ Electric conductivity Sm1
σ* Stefan–Boltzmann constant Wm2K4
Γa,z Incomplete gamma function
Γ Special constant used in the problem
Subscripts
w Wall condition
Free stream condition
η Differentiation with respect to η
Abbreviations
MHD Magneto hydrodynamics
ODEs Ordinary differential equations
PDEs Partial differential equations