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Thermophysics and Aeromechanics

2016 year, number 3

Control of the process of cooling of ceramic products with allowance for the constraints on thermal stresses

N.D. Morozkin1 and V.I. Tkachev2
1Bashkir State University, Ufa, Russia
2Birsk Department of the Bashkir State University, Birsk, Russia
E-mail: MorozkinND@mail.ru,В  tvi-vlad@mail.ru
Keywords: temperature field, thermal stresses, finite element method, temperature control
Pages: 461–466

Abstract

A three-dimensional problem on the control of furnace temperature during cooling of ceramic products of arbitrary shape with allowance for the constraints on thermal stresses is analyzed. An algorithm for calculating a temperature regime making it possible to avoid the occurrence of fracture and irreversible deformation in the products being cooled is proposed. With the example of cooling of a ceramic holder for a spiral wire, a computational experiment is performed. A temperature regime in which the cooling of the product accomplishes in a certain time without exceeding the admissible values of thermal stresses is identified.

DOI: 10.1134/S0869864316030161