On the influence of asymmetry on the velocity of motion of isotherms near the thermal center of a cooled body

A study has been made of the influence of asymmetric cooling of bodies due to the temperature difference on the surfaces, the difference in thermophysical characteristics of the media, and the geometry of the body on the velocity of motion of isotherms as they approach the thermal center. The result...

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Bibliographic Details
Published inJournal of engineering physics and thermophysics Vol. 85; no. 3; pp. 675 - 683
Main Authors Vinogradov, V. V., Tyazhel’nikova, I. L., Vinogradova, E. P.
Format Journal Article
LanguageEnglish
Published Boston Springer US 01.05.2012
Springer
Springer Nature B.V
Subjects
Classical Mechanics
Complex Systems
Engineering
Engineering Thermodynamics
Heat and Mass Transfer
Industrial Chemistry/Chemical Engineering
Metal castings
Thermal properties
Thermodynamics
solidification of a continuously cast ingot
equation
velocity of motion of isotherms
thermal center
asymmetry
cooling of an ingot
thermal diffusivity
heat-conduction
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Summary:A study has been made of the influence of asymmetric cooling of bodies due to the temperature difference on the surfaces, the difference in thermophysical characteristics of the media, and the geometry of the body on the velocity of motion of isotherms as they approach the thermal center. The results have been used for elucidation of the causes of certain thermophysical features appearing when continuously cast ingots solidify in horizontal continuous casting plants and when the bloom molds are replaced by slab molds in continuous ingot casting machines. An analytical expression for the displacement of the thermal center of a plate in formation of media with different thermal-diffusivity coefficients has been obtained.
ISSN:1062-0125
1573-871X
DOI:10.1007/s10891-012-0701-2