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. 2023 Jul 28;9(8):e18652. doi: 10.1016/j.heliyon.2023.e18652

Table 4.

Apparent bulk modulus based on readings of FBG groups A and B.

Stage Group Sensor Apparent Bulk Modulus (GPa)
Per sensor Average per Group
Stage I Group A Radial Strain from FBG-1 17.19 14.90
Radial Strain from FBG-2 16.29
Radial Strain from FBG-3 12.44
Radial Strain from FBG-4 15.11
Radial Strain from FBG-8 14.15
Group B Radial Strain from FBG-5 11.01 10.22
Radial Strain from FBG-6 10.86
Radial Strain from FBG-7 8.96
Stage III Group A Radial Strain from FBG-1 16.12 17.66
Radial Strain from FBG-2 18.19
Radial Strain from FBG-3 18.85
Radial Strain from FBG-4 16.96
Radial Strain from FBG-8 18.32
Group B Radial Strain from FBG-5 13.31 14.82
Radial Strain from FBG-6 16.36
Radial Strain from FBG-7 15.07