Table 1: Object IPU element mechanical properties.
IPU crosssectional elements Material Specific thermal conductivity Specific heat Density Young modulus Yield strength Poisson ratio
W/mK J/kg°C kg/m3 Gpa MPa _
HV power cables Copper 391 385 8910 110-140 140 0.30
Semi-conductor and insulation EPR(EPDM) 0.2 2000 860.84 - - 0.50
Outer and inner sheath HDPE 0.45 2400 960-970 1.04 30 0.50
Heating pipes Carbon Steel 401 480 7850 205.8 250 0.30
PVC matrix PVC 0.22 0.90 1380 2.9-3.3 45 0.25
Hydraulic/service lines Super duplex 17 500 8000 200 530 0.30
Methanol injection Super duplex 17 500 8000 200 530 0.30
Metallic shield Copper 391 385 8910 110-140 140 0.30
Flow line API5LX65 50 490 7850 207 450 0.30