Study on Influencing Zone of Thermal Bridge of Corner Column in Self-insulation System

Shaobin Dai, Yichao Zhang*, Jun Huang, Qingrong Ni
School of Civil Engineering and Architecture, Wuhan University of Technology, Wuhan 430070, China.

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© 2015 Dai et al;

open-access license: This is an open access article distributed under the terms of the Creative Commons Attribution 4.0 International Public License (CC-BY 4.0), a copy of which is available at: This license permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.


The two-dimensional steady heat transfer of corner column is analyzed using ANSYS, moreover, influencing zone of thermal bridge and heat loss in influencing zone is analyzed quantitatively. Research shows that when the thickness of insulation layer is more than 20mm, influencing zone of thermal bridge is about 160mm, and additional heat flow in influencing zone accounts for more than 20% of additional heat flow in thermal bridge.

Keywords: Corner column, heat flow, nfluencing zone of thermal bridge.