Table 3

Properties of six different types of nanofluids
Nanofluid αeff(107) σ Preff RaKeff μnf Nuavg Cfavg(103)
Al2O3 + H2O 2.6100 0.9266 3.1656 101.6234 9.1980 × 10−4 13.1848 4.7330
TiO2 + H2O 2.5443 0.9234 3.2048 104.3849 9.1980 × 10−4 13.2042 4.7204
CuO + H2O 2.9179 0.9519 2.5879 91.3187 9.1980 × 10−4 12.5223 4.8192
Al2O3 + EG 1.8052 1.0160 73.4908 139.8607 1.6100 × 10−2 12.1085 8.1741
TiO2 + EG 1.7409 1.0096 75.2862 145.0326 1.6100 × 10−2 12.1394 8.1421
CuO + EG 2.1278 1.0711 57.4017 118.6878 1.6100 × 10−2 11.1641 8.3152

ε = 0.72, diameter of Cu powder = 470 μm, length of plate = 0.04 m, permeability = 7 × 10−9, T (ambient) = 293 K, Tw = 324 K, dp = 10 nm, ϕ =0.04.

Uddin and Harmand

Uddin and Harmand Nanoscale Research Letters 2013 8:64   doi:10.1186/1556-276X-8-64

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