Table 1 Model material parameters.
Material parameter | Â | Value | Unit | Source |
|---|---|---|---|---|
Ball electrode (stainless steel) | ||||
Poisson’s ratio | \(\nu _{\textrm{el}}\) | 0.29 |  | |
Young’s modulus | \(E_{\textrm{el}}\) | 200 | \(\textrm{GPa}\) | |
Density | \(\rho _{\textrm{el}}\) | 7900 | \(\mathrm {kg/m^{3}}\) | Â |
Thermal conductivity | \(k_{\textrm{el}}\) | 15 | \(\textrm{W}/(\textrm{m}\cdot \textrm{K})\) | Â |
Electrical conductivity | \(\sigma _{\textrm{el}}\) | 1.37e6 | \(\textrm{S}/\textrm{m}\) | Â |
Biological soft-tissue (liver tissue) | ||||
Poisson’s ratio | \(\nu _{\textrm{t}}\) | 0.5 |  |  |
Young’s modulus | \(E_{\textrm{t}}\) | 1.98 | \(\textrm{kPa}\) | |
Density | \(\rho _{\textrm{t}}\) | 1079 | \(\mathrm {kg/m^{3}}\) | |
Control coefficient | \(k_1\) | 0.001161 | \(\textrm{W}/(\textrm{m} \cdot \textrm{K} \cdot \mathrm {^{\circ }C})\) | |
Thermal conductivity | \(k_{\textrm{ref}}\) | 0.52 | \(\textrm{W}/(\textrm{m}\cdot \textrm{K})\) | |
Electrical conductivity | \(\sigma _{\textrm{ref}}\) | 0.13 | \(\textrm{S}/\textrm{m}\) | |
Effective heat capacity | \(C_{\textrm{eff}}\) | 3540 | \(\textrm{J}/(\textrm{kg}\cdot \textrm{K})\) | |
Frequency factor | \(A_{\textrm{0}}\) | \(7.39\cdot 10^{39}\) | \(\textrm{s}^{-1}\) | |
Activation energy | \(E_{\textrm{a}}\) | \(2.577\cdot 10^{5}\) | \(\textrm{J}/\textrm{mol}\) | |