Numerical Study of Convection and Radiation Heat Transfer in Pipe Cable

Table 2

Typical physical parameters for pipe cable.

Pipe cable	Material	Thermal conductivity [W/(m⋅K)]	Electronic conductivity [S/m]	Relative dielectric constant
Cable core	Copper	400	5.998 × 10^7	1.0
Insulation layer	XLPE	0.286	1.0 × 10^−15	2.5
Sheath layer	Aluminium	238	3.774 × 10^7	1.0
External layer	Polyethylene	0.280	1.0 × 10^−15	2.5
PVC pipe	PVC	0.167	1.0 × 10^−16	1.0