Biomedical Engineering Reference
In-Depth Information
Interfacial heat transfer coecient (W/m 2 K)
h f
h sf
Latent heat of solidification (W/kg)
k
Thermal conductivity (W/mK)
Permeability tensor (m 2 )
K ij
Met
Dimensionless number associated with metabolic reaction rate
n j
Unit vector pointing outward from the fluid side to solid side (
)
p Pressure (Pa)
r Radial coordinate (m)
R i Radius of the freezing front (m)
R lim Limiting radius (m)
S m Metabolic reaction rate (W/m 3 )
Ste
Stephan number (-)
T
Temperature (K)
t
Fourier number (-)
T 0
Body temperature (K)
T i
Phase change tempearture (K)
T p
Probe temperature (K)
u i
Velocity vector (m/sec)
Representative elementary volume (m 3 )
V
x, y
Cartesian coordinates (m)
Thermal diffusivity (m 2 /sec)
α
ε
Porosity (-)
Kinematic viscosity (m 2 /sec)
ν
Density (kg/m 2 )
P
ω
Perfusion rate (1/sec)
ω
Net filtration rate (1/sec)
ω
Dimensionless perfusion rate (-)
ω eff
Effective perfusion rate (1/sec)
Special symbols
φ
Deviation from intrinsic average
φ
Volume average
f,s,a,v
φ
Intrinsic average
Subscripts and superscripts
a
Artery
c
Unfrozen tumor
dis
Dispersion
f
Fluid
i
Ice interface
p
Cryoprobe
s
Solid
v
Vein
Dimensionless
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