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Table 4 Percent Error between Constant Conductivity and Temperature Dependent Data without 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

38

-0.1

1.4

0.0

0.4

1.5

1.4

5.0

41

-0.2

5.8

0.1

0.8

6.1

5.6

7.5

45

-0.5

13.5

0.3

1.7

14.0

12.9

10.0

51

-0.8

24.6

0.7

2.8

25.7

23.6

12.5

59

-1.3

40.0

1.4

4.3

41.8

38.2

15.0

69

-1.8

60.3

2.5

6.1

63.3

57.3

17.5

80

-2.5

87.1

3.9

8.2

91.9

82.5

20.0

94

-3.2

120.2

5.7

10.7

127.5

113.2

  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.