1 Introduction
2 Methods
2.1 Finite element model
2.2 Parameter model
Mass density [ρ (kg/m3)] | Heat capacity [Cp (J kg−1 K−1)] | Thermal conductivity [k (W m−1 K−1)] | Electrical conductivity [σ (S/m)] | Blood perfusion [ω
b (1/s)] | Metabolic heat [Q
m (W/m3)] | |
---|---|---|---|---|---|---|
Electrodes | 70 | 1045 | 0.026 | 1e–5 | – | – |
Insulation | 6450 | 840 | 18 | 1e8 | – | – |
Liver | 1080 | 3540 | 0.52 | 0.067 (initial) | 0.0005 | 4200 |
Tumor | 1220 | 4180 | 0.6 | 0.135 (initial) | 0.002 | 42,000 |
2.3 Computing method
Damage process |
E(J/mol) |
A(1/s) |
---|---|---|
Microvascular blood flow stasis | 6.67e5 | 1.98e106 |
Cell death | 5.064e5 | 2.984e80 |
Protein coagulation | 2.577e5 | 7.39e39 |