Biomedical Engineering Reference
In-Depth Information
11.7 Appendix: thermal conductivity details of nanofluids prepared by two-step process
Thermal
conductivity
measurement
technique
Concentration
(vol %)
Enhancement
ratio
Synthesis
method
Effect
studied/notes
Reference
Nanofluid
Masuda et al.
(1993)
Al
2
O
3
-water (31.85
8
C)
1.30-4.3
1.11-1.32
Two-step
method
Temperature
effect
Al
2
O
3
-water (46.85
8
C)
1.30-4.3
1.10-1.23
Al
2
O
3
-water 66.85
8
C)
1.30-4.3
1.1-1.26
SiO
2
-water (31.85
8
C)
1.1-2.30
1.01-1.10
SiO
2
-water (46.85
8
C)
1.1-2.30
1.009-1.01
SiO
2
-water (66.85
8
C)
1.1-2.40
1.005-1.007
TiO
2
-water (31.85
8
C)
3.25-4.30
1.080-1.11
TiO
2
-water (66.85
8
C)
3.25-4.30
1.08-1.11
TiO
2
-water (88.85
8
C)
3.10-4.30
1.075-1.099
Lee et al.
(1999)
Al
2
O
3
-water
1.00-4.30
1.03-1.10
Two-step
method
Transient hot-
wire method
—
CuO-water
1.00-3.41
1.03-1.12
Al
2
O
3
-ethylene glycol
1.00-5.00
1.03-1.18
CuO-ethylene glycol
1.00-4.00
1.05-1.23
Wang et al.
(1999)
Al
2
O
3
-water
3.00-5.50
1.11-1.16
Two-step
method
Steady-state
parallel-plate
technique
—
CuO-water
4.50-9.70
1.17-1.34
Al
2
O
3
-ethylene glycol
5.00-8.00
1.25-1.41
CuO-ethylene glycol
6.20-14.80
1.24-1.54
Al
2
O
3
-engine oil
2.25-7.40
1.05-1.30
Al
2
O
3
-pump oil
5.00-7.10
1.13-1.20
Xuan and Li
(2000)
Cu(+ laurate salt)-water 2.50-7.50
1.22-1.75
Two-step
method
Transient hot-
wire method
—
Cu (+ oleic acid)-
transformer oil
2.50-7.50
1.12-1.43
