Computer modeling and ex vivo experiments with a (saline-linked) irrigated electrode for RF-assisted heating

Table 1 Characteristics of the materials considered in the theoretical model [ [15]- [17]]

Material	Thermal conductivity	Specific heat	Density	Electrical conductivity
Material	k(W/m⋅K)	c(J/kg⋅K)	ρ(kg/m ³)	σ(S/m)
Plastic	0.026	1045	70	10^-5
Electrode	70	840	6450	10⁸
Saline	0.58	3200	1004	a ⁽³⁾
Hepatic tissue	0.502	3455 ⁽¹⁾	1080 ⁽¹⁾	b ⁽³⁾
Hepatic tissue	0.502	2155 ⁽²⁾	370.44 ⁽²⁾	b ⁽³⁾

⁽¹⁾Tissue in liquid phase. ⁽²⁾Tissue in gas phase. ⁽³⁾The values of electrical conductivity of tissue and saline were estimated from experimental results (see text for further details).

ISSN: 1475-925X