Table 1 Thermo-physical properties of water and nanoparticles.

From: Conjugate buoyant convective transport of nanofluids in an enclosed annular geometry

Property

H\(_2\)O

Cu

Al\(_2\)O\(_3\)

TiO\(_2\)

\(\rho\) (kg/\(\hbox {m}^3\))

997.1

8933

3970

4250

\(C_{p}\) (J/kg K)

4179

385

765

686.2

k (W/mK)

0.613

401

40

8.9538

\(\beta\) (\(\hbox {K}^{-1}\))

\(21\times 10^{-5}\)

\(1.67 \times 10^{-5}\)

\(0.85 \times 10^{-5}\)

\(0.9 \times 10^{-5}\)

  1. The numerical values are taken from Roy33.