Finite Element Analysis of the Temperature Field Around Two Adjacent Cryo-Probes

[+] Author and Article Information
Anne Weill, Avraham Shitzer, Pinhas Bar-Yoseph

Technion-Israel Institute of Technology, Haifa 32000, Israel

J Biomech Eng 115(4A), 374-379 (Nov 01, 1993) (6 pages) doi:10.1115/1.2895500 History: Received January 06, 1992; Revised November 04, 1992; Online March 17, 2008


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.

Copyright © 1993 by The American Society of Mechanical Engineers
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