Biomedical Engineering Reference
In-Depth Information
10.3
Relative viscosity of different nanofluids at different particle
concentrations summarized from the available literature (Table 10.1).
Table 10.1
Viscosity details of nanofluids
Average
particle
size
(nm)
Average
viscosity
ratio
( η eff / η f )
Shear
rate
(s 1 )
Volume
fraction
(%)
Temperature
(8C)
Authors
Nanofluid
Wang
et al
.
Al 2 O 3 -water
28
1.0-6.0
1.09-1.77
(1999)
Al 2 O 3 -EG
1.25-3.50
1.07-1.39
Das et al.
(2003b)
Al 2 O 3 -water
38
20
50-500
1.0
1.09
4.0
1.36
60
50-500
1.0
1.08
4.0
1.38
Prasher
et al.
(2006)
Al 2 O 3 -
propelyne
glycol
50
30-60
0.7-100 0.5
1.054
40
1.058
27
1.072
￿ ￿ ￿ ￿ ￿ ￿
50
30-60
0.7-100 2.0
1.158
40
1.186
27
1.239
50
30-60
0.7-100 3.0
1.240
27
1.286
40
1.362
Chen et al.
(2007b)
TiO 2 -EG
25
0.05-
10 000
0.003-1.8
1.001-1.220
25
20
1-200
0.86
1.046
30
1.054
40
1.064
25
20-60
0.10
1.006
0.21
1.024
0.42
1.046
0.86
1.096
1.80
1.228
 
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