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Finite element analysis of the temperature field around two adjacent cryo-probes
A Weill1, A Shitzer, P Bar-Yoseph
1Faculty of Mechanical Engineering, Technion-Israel Institute of Technology, Haifa.
Journal of Biomechanical Engineering
|November 1, 1993
Abstract:
A finite element code was developed for the analysis of the temperature field around two adjacent cylindrical cryo-probes. The two-phase, two-dimensional Stefan problem is solved using a moving boundary approach and space-time finite elements. Solution of one-cryo-probe problem compared well with an existing analytic solution. The two-cryo-probes problem yielded reasonable results. The program simulated the nonsymmetric activation of two probes and the merging of the two freezing fronts in the case of symmetric activation.