Numerical Simulation of Free Convection in a Partially Heated Three-Dimensional Enclosure Filled with Ionanofluid ([C₄mim][NTf₂]-Cu)

Table 1

Thermal and physical properties of ionanofluid with T = 300 K.

Thermophysical properties	[C4mim][NTf2] [37]	Cu [36]	Water [36]
cp (J kg^−1·K^−1)	1353.24	385	4179
ρ (kg m^−3)	1436	8933	997.1
k (W m^−1·K^−1)	0.1276	400	0.613
β (K^−1)	6.692 × 10^−4	1.67 × 10^−5	21 × 10^−5
α (m^2·s^−1)	0.657 × 10^−7	1163.1 × 10^7	1.47 × 10^7