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Table 5 Percent Error between Constant Conductivity and Temperature Dependent Data with Perfusion

From: Finite Element Analysis of Hepatic Radiofrequency Ablation Probes using Temperature-Dependent Electrical Conductivity

Applied Volts (V) Maximum Temperature Achieved (°C) Change Electric Field (%) Change Current Density (%) Change Temperature (%) Change Heat Flux (%) Change Electrical Conductivity (%) Change SAR (%)
0.0 37 0.0 0.0 0.0 0.0 0.0 0.0
2.5 37 0.0 1.5 0.0 6.7 1.5 1.5
5.0 39 -0.2 2.6 0.0 9.3 2.8 2.4
7.5 40 -0.5 6.0 0.0 6.7 6.5 5.5
10.0 44 -0.9 11.0 0.0 5.3 12.0 10.0
12.5 49 -1.2 17.8 0.0 8.1 19.3 16.3
15.0 54 -1.8 26.7 0.1 8.6 29.0 24.5
17.5 62 -2.4 38.3 0.4 11.0 41.7 34.9
20.0 70 -3.1 52.9 2.6 11.1 57.9 48.2
22.5 78 -3.9 71.6 5.3 13.7 78.7 64.9
25.0 88 -4.8 95.2 7.0 19.7 105.0 85.8
27.5 96 -5.8 124.9 8.2 20.5 138.7 111.9
  1. Percent error for all cases is calculated as (<Temperature Dependent Parameter> – <Constant Parameter>) / <Constant Parameter>. All percentage changes refer to the maximum change in the parameter.