Page 210 - Bio Engineering Approaches to Cancer Diagnosis and Treatment

8.5 Application of HIFU on thermal ablation 209

Table 8.5 Physical properties values.
Parameters Definition Value SI unit
ρ Blood density 1050 a kg
blood 3 ρblood
m 3
kg kgm
ρ Fat density 911 b
fat m 3 ρfat
kg kgm 3
ρ Pancreas density 1050 b
pan m 3 ρpan 3
J kgm
cp Heat capacity of fat 2348 a
fat kgK cpfat
J Jkg K
cp Heat capacity of 3200 b
pan kgK cppan
pancreas
J Jkg K
cp Heat capacity of 3610 a
blood kgK cpblood
blood
W Jkg K
k Thermal conductivity 0.21 a
fat mK kfat
of fat Wm K
W
k Thermal conductivity 0.51 b
pan mK kpan
of pancreas
W Wm K
k Thermal conductivity 0.52 b
blood mK kblood
of blood
Wm K
µ Blood viscosity 0.012 c Pa s Pa s
blood µblood
µ Casson parameters 0.00414 c Pa s Pa s
c µc
τ Casson parameters 0.0038 c Pa Pa
c 1 τc
α Blood absorption 1.6 b
blood m αblood
1 1m
α Fat absorption 6.4 d
fat m αfat
1 1m
α Pancreas absorption 11.9 b
pan m αpan
1m
c blood sound speed 1578 d ms m s
s,blood cs,blood
c fat sound speed 1440 d ms m s
s,fat cs,fat
c pancreas sound 1591 d ms m s
s,pan cs,pan
speed
ω Blood Perfusion rate 1.1 a 1
fat s wfat
of fat
1 1s
ω Blood Perfusion rate 10 b
pan s wpan
of pancreas
1s
a [89].
b [90].
c [91].
d [92].