Research Article

Computational FEM Model and Phantom Validation of Microwave Ablation for Segmental Microcalcifications in Breasts Using a Coaxial Double-Slot Antenna

Table 5

Parameters used in the FEM simulation.

ParameterValueReference

Input power, 12 W
Frequency, 2.45 GHz
Electrical conductivity of breast tissue, 0.137 S·m−1[29]
Thermal conductivity of breast tissue, 0.42 W·m−1·K−1[30]
Relative permittivity of breast tissue, 5.1467[29]
Relative permeability of breast tissue, 1
Blood density, 1040 kg·m−3[30]
Specific heat of blood, 3639 J·kg−1·K−1[31]
Blood perfusion rate, 0.0036 s−1[31]
Heat capacity of tricalcium phosphate at constant pressure, 227.8 J·mol-1·K-1[32]
Density of tricalcium phosphate, 3140 kg·m-3[33]
Thermal conductivity of tricalcium phosphate, 0.612 W· m-1·K-1[34]
Relative permittivity of tricalcium phosphate, 4.0296Measured
Electrical conductivity of tricalcium phosphate, 0.1394 S·m-1Measured
Relative permeability of tricalcium phosphate, 1