<abstract xmlns="http://www.w3.org/1999/xhtml"><p>This paper presents a study on using the steady-state three-dimensional heat transfer software HEAT3 for evaluating the heat flow of heat transfer through different elements of the building envelope in order to establish the linear thermal transmittance of the linear thermal bridge. The linear thermal transmittance is obtained according to the one-dimensional steady-state heat transfer calculation formula for the plane walls using the heat flow values obtained through the method specified above. The results presented in this paper are part of a wider study on evaluating the heat transfer through building’s envelope elements by evaluating as accurate as possible the thermal bridges effect of the most common building structures. As a case study, it was considered the steady-state heat transfer through an opaque outer wall of a building considering the thermal bridges for the following elements: outer walls intersection, inner and outer wall intersection and outer wall with intermediate floor intersection.</p></abstract>

This paper presents a study on using the steady-state three-dimensional heat transfer software HEAT3 for evaluating the heat flow of heat transfer through different elements of the building envelope in order to establish the linear thermal transmittance of the linear thermal bridge. The linear thermal transmittance is obtained according to the one-dimensional steady-state heat transfer calculation formula for the plane walls using the heat flow values obtained through the method specified above. The results presented in this paper are part of a wider study on evaluating the heat transfer through building’s envelope elements by evaluating as accurate as possible the thermal bridges effect of the most common building structures. As a case study, it was considered the steady-state heat transfer through an opaque outer wall of a building considering the thermal bridges for the following elements: outer walls intersection, inner and outer wall intersection and outer wall with intermediate floor intersection.

Steady-State Three - Dimensional Numerical Simulation of Heat Transfer for Thermal Bridges Assessment

Politehnica University of Timisoara, Faculty of Civil Engineering, Civil Engineering and Services Department, 2 Traian Lalescu Street, Timisoara, Romania

Journal of Applied Engineering Sciences

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

This paper presents a study on using the steady-state three-dimensional heat transfer software HEAT3 for evaluating the heat flow of heat transfer through...

Steady-State Three - Dimensional Numerical Simulation of Heat Transfer for Thermal Bridges Assessment

Published Online: Jun 11, 2016

Page range: 17 - 22

Received: Mar 09, 2016

Accepted: Apr 15, 2016

DOI: https://doi.org/10.1515/jaes-2016-0008

Keywords
thermal bridges, building elements, three-dimensional heat transfer, heat flow, linear thermal transmittance

© 2016 Silviana Brata et al., published by De Gruyter Open

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Steady-State Three - Dimensional Numerical Simulation of Heat Transfer for Thermal Bridges Assessment

Published Online: Jun 11, 2016

Page range: 17 - 22

Received: Mar 09, 2016

Accepted: Apr 15, 2016

DOI: https://doi.org/10.1515/jaes-2016-0008

Keywordsthermal bridges, building elements, three-dimensional heat transfer, heat flow, linear thermal transmittance

© 2016 Silviana Brata et al., published by De Gruyter Open

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Keywords
thermal bridges, building elements, three-dimensional heat transfer, heat flow, linear thermal transmittance