Biomedical Engineering Reference
In-Depth Information
Parameter
Notation
Unit
m
−
3
Reference concentration of
the nutrient
c
0
mol
×
Diffusion coe
cient of the
nutrient solute
D
m
2
×
s
−
1
Da
=
σ
cel
×
V
Max
×
a
Damkohler number
D
×
c
0
s
−
1
Perfusion mean velocity
u
0
m
×
m
−
3
Density of the culture fluid
ρ
kg
×
Dynamic viscosity of the
culture fluid
η
Pa
×
sec
u
0
/
φ
ρ
×
a
×
Reynolds number
Re
=
η
u
0
/
φ
D
a
×
Peclet number
Pe
=
u
0
a
Viscous stresses
τ
=
η
×
Pa
L
D
Debye length
m
m
−
3
Ionic force
C
i
mol
×
V
−
1
m
−
1
Vacuum permittivity
ε
0
C
×
×
Relative dielectric constant
of the solvent
ε
mol
−
1
Faraday constant
F
C
×
K
−
1
mol
−
1
Gas constant
R
J
×
×
Absolute temperature
T
K
Electric double-layer
potential
ϕ
V
Donnan osmotic swelling
pressure
π
D
Pa
m
−
3
Oxygen molar
concentration
c
O
2
mol
×
m
2
sec
−
1
Oxygen binary diffusivity
in water
D
O
2
×
sec
−
1
Perfusion velocity
u
m
×
Typical size of the solid
heterogeneities in the
porous medium
h
m
ν
=
ρ
m
2
sec
−
1
Fluid kinematic viscosity
×
Dimensionless Michaelis
constant
λ
M
N
O
2
Dimensionless oxygen flux
at the frontier
(
Continued
)
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