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An analytical solution is provided for a two-equation coupled model for determination of liver tissue temperature during radio frequency ablation in the steady state with one-dimension in space. Both analytical analysis and model simulation were conducted to investigate the effects of two crucial system parameters: blood perfusion rate and convective heat transfer coefficient on the tissue temperature field. The quantitative criteria were also derived, under which the two-equation coupled system can be approximated to a conventional single bio-heat equation system such as the Pennes model.

Original publication




Journal article


Conf Proc IEEE Eng Med Biol Soc

Publication Date





3385 - 3388


Algorithms, Body Temperature, Catheter Ablation, Computer Simulation, Hot Temperature, Humans, Liver, Models, Statistical, Models, Theoretical, Perfusion, Radio Waves, Signal Processing, Computer-Assisted, Temperature, Thermal Conductivity