<abstract xmlns="http://www.w3.org/1999/xhtml">

The paper analyses boundary effect behaviour in a building partition made of a two-component layered composite. A two-dimensional model of such barrier has been adopted in which the boundary effect behaviour is described by a system of ODE’s. It has been proved that, for selected types of fluctuations, a hypothesis formulated in the end of the paper is true, i.e. a partition reacts for the presence of boundary package of fluctuations consisting of one even and two odd fluctuations merely with a typical exponentially damped transport of these boundary fluctuations. Their sinusoidal pulsations in the direction transversal to the periodicity directions are not possible. The exponential damping is maximal for components with very different material properties (values of parameters <italic>k</italic>II/<italic>k</italic>I and <italic>η</italic>I close to zero). Such situations correspond to a characteristic peak of the graphs included in the paper.
</abstract>

The paper analyses boundary effect behaviour in a building partition made of a two-component layered composite. A two-dimensional model of such barrier has been adopted in which the boundary effect behaviour is described by a system of ODE’s. It has been proved that, for selected types of fluctuations, a hypothesis formulated in the end of the paper is true, i.e. a partition reacts for the presence of boundary package of fluctuations consisting of one even and two odd fluctuations merely with a typical exponentially damped transport of these boundary fluctuations. Their sinusoidal pulsations in the direction transversal to the periodicity directions are not possible. The exponential damping is maximal for components with very different material properties (values of parameters kII/kI and ηI close to zero). Such situations correspond to a characteristic peak of the graphs included in the paper.

Transport of Mutually Cooperating Triplets of Thermal Fourier Fluctuations Through Two-Phase Periodically Layered Partition Wall

Warsaw University of Life Sciences – SGGW

Acta Scientiarum Polonorum Architectura

This work is licensed under the Creative Commons Attribution-NonCommercial 4.0 International License.

The paper analyses boundary effect behaviour in a building partition made of a two-component layered composite. A two-dimensional model of such barrier has...

Transport of Mutually Cooperating Triplets of Thermal Fourier Fluctuations Through Two-Phase Periodically Layered Partition Wall

Publié en ligne: 12 mars 2022

Pages: 37 - 54

Reçu: 24 nov. 2021

Accepté: 15 déc. 2021

DOI: https://doi.org/10.22630/aspa.2021.20.4.33

Mots clés
heat conduction, effective heat conduction, boundary effect behaviour, building partition

© 2021 Amelia Albin et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial 4.0 International License.

Transport of Mutually Cooperating Triplets of Thermal Fourier Fluctuations Through Two-Phase Periodically Layered Partition Wall

Publié en ligne: 12 mars 2022

Pages: 37 - 54

Reçu: 24 nov. 2021

Accepté: 15 déc. 2021

DOI: https://doi.org/10.22630/aspa.2021.20.4.33

Mots clésheat conduction, effective heat conduction, boundary effect behaviour, building partition

© 2021 Amelia Albin et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial 4.0 International License.

Mots clés
heat conduction, effective heat conduction, boundary effect behaviour, building partition