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"Джон Атанасов"

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Джон Атанасов
JOURNAL "INFORMATION TECHNOLOGIES AND CONTROL"
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02/05/2024 PAPERS - ISSUES - ARTICLE

Year 2018 - Issue 1 - Article No 2

COMPUTATION OF THE TEMPERATURE FIELD AT COOLING OF LOGS BELOW THE FREEZING POINT OF THE MOISTURE
N. Tumbarkova, N. Deliiski, N. Penkova, Е. Mihailov
Key Words Beech logs; freezing; ANSYS; temperature field.
Abstract An approach for modeling and computation of the temperature field in subjected to freezing logs with the help of software package ANSYS Workbench 16.0 has been suggested. Numerical results about the transient temperature fields in a beech log with a diameter of 0.24 m, length of 0.48 m, initial temperature of 22.4 °C, and moisture content of 0.63 kg·kg-1 during its 50 h cooling in a freezer at approximately –30 °C are graphically presented and analyzed. The root square mean error between the calculated and experimentally established temperatures of the studied log has been determined in order to validate the mathematical models
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