Table 1 explains the thermophysical properties of nanomaterials TC4 and NiCr with base fluid engine oil (unused at 360 K or 1 °C):40,41.

From: Investigation of 3D flow of magnetized hybrid nanofluid with heat source/sink over a stretching sheet

Thermophysical properties

k (Wm−1 K−1)

ρ (kg m−3)

cp (Jkg−1 K−1)

β × 10−6 (K−1)

Engine oil (Unused at 360 K or 1 °C)

0.138

847.8

2161

700

TC4

5.8

4420

610

7.8

NiCr

13

8314

460

7.0