Evaluation Model of Cable Insulation Life Based on Improved Fuzzy Analytic Hierarchy Process

Table 4

Cable structure and thermal performance parameters.

Cable structure	Specific heat (J/kg°C)	Thermal conductivity	Cable radius
Large copper core	385	106	3.8
Small copper core	385	106	2.5
Neoprene sheath	490	0.25	16.0
Ethylene propylene rubber insulation	640	0.16	5.0
Other impurities	475	49.07	2.3