Numerical Study of Heat Transfer and Optimum Design for Trench Laying Cables with Ceramic Plates

Table 4

Typical geometric and physical parameters for the pipe laying cable (Fu et al. [18]).

	Diameter (mm)	Thermal conductivity (W/(m∙K))	Electronic conductivity (S/m)
Cable core	60.4	400	5.998 × 10^7
Insulation layer	120	0.286	1 × 10^−15
Sheath layer	140	238	3.774 × 10^7
External layer	150	0.280	1 × 10^−15
PVC tube	620	0.167	1 × 10^−16