Table 1

Measured dynamic viscosities of nanofluid and DI water

Viscosity at 20°C

Viscosity measured in present study

(mPa·s)

Viscosity from Cengel[13]at 20°C (mPa·s)

Thermal conductivity measured in the present study (W/mK)

Thermal conductivity from Cengel [13]at 10°C (W/mK)

Working fluid

DI water

1.016

1.002

0.613

0.580

Nanofluid (Au nanoparticles)

1.036

-

0.67

-

Nanofluid (carbon nanoparticles)

1.125

-

0.68

-

Tsai et al. Nanoscale Research Letters 2011 6:590   doi:10.1186/1556-276X-6-590