Table 1 Thermophysical properties of water and copper nanoparticles36.

From: Numerical investigation of transient mixed convection of nanofluid in a cavity with non-Darcy porous inner block and rotating cylinders with harmonic motion

Physical properties

Water

Cu

\({C}_{p}\) (J/Kg K)

4179

385

\(\rho\) (Kg/m3)

997.1

8933

\(\mu\) (W/m K)

9.09 × 10–4

k (W/m K)

0.613

401

\(\beta\) (K−1)

21 × 10–5

1.67 × 10–5