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JOURNALS // News of the Kabardino-Balkarian Scientific Center of the Russian Academy of Sciences // Archive

News of the Kabardin-Balkar scientific center of RAS, 2010 Issue 4, Pages 88–92 (Mi izkab661)

PHYSICS. ASTRONOMY

About character of distribution of cryodestruction and freezings borders of a biological tissue at its cryogenic cooling

B. K. Buzdov

Institute of Computer Science and Problems of Regional Management of KBSC of the Russian Academy of Sciences, 360000, KBR, Nalchik, 37-a, I. Armand street

Abstract: In this article the one-dimensional problem of Stefan’s type with the nonlinear source, arising in cryosurgery is considered. On its example the question on speed of distribution of borders of zones of cryodestruction, freezing and influences of cold for a case of plane-parallel cryodestruction a biological tissue is investigated. Numerically it was possible to find out significant delay of speed of distribution of the specified borders that confirms presence of effect of space localisation of heat in similar models.

Keywords: the Stefan’s type problem, cryosurgery, space localization of heat.

UDC: 519.63

Received: 16.06.2010



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