<abstract xmlns="http://www.w3.org/1999/xhtml"><p>The contribution is focused on investigating the heat transfer via natural convection which originated as an effect of changed air density by heating the horizontal sample in the area given. For this research we used samples of a new material made in the Russian Federation – the foam concrete which was reinforced by PET fibres. The samples were heated by an electric heating device from the bottom. The temperature fields originating above the horizontal sample surface were visualised by means of the holographic interferometric contactless method in real time. The holographic interferograms of the temperature field were analysed, and then the local heat transfer parameters were calculated: the heat transfer coefficient α, and the heat conductivity coefficient λ.</p></abstract>

The contribution is focused on investigating the heat transfer via natural convection which originated as an effect of changed air density by heating the horizontal sample in the area given. For this research we used samples of a new material made in the Russian Federation – the foam concrete which was reinforced by PET fibres. The samples were heated by an electric heating device from the bottom. The temperature fields originating above the horizontal sample surface were visualised by means of the holographic interferometric contactless method in real time. The holographic interferograms of the temperature field were analysed, and then the local heat transfer parameters were calculated: the heat transfer coefficient α, and the heat conductivity coefficient λ.

Interferometric Measurement of Heat Transfer above New Generation Foam Concrete

Department of Manufacturing and Automation Technology, Faculty of Environmental and Manufacturing Technology

Institute of Production Technologies, Faculty of Materials Science and Technology

Votkinsk branch of Izhevsk State Technical University

Measurement Science Review

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

{"article-title":"Interferometric Measurement of Heat Transfer above New Generation Foam Concrete"}

The contribution is focused on investigating the heat transfer via natural convection which originated as an effect of changed air density by heating the...

Interferometric Measurement of Heat Transfer above New Generation Foam Concrete

Publié en ligne: 24 août 2019

Pages: 153 - 160

Reçu: 22 mars 2019

Accepté: 31 juil. 2019

DOI: https://doi.org/10.2478/msr-2019-0021

Mots clés
Holographic interferometry, Mach-Zehnder interferometer, heat transfer, foam concrete

© 2019 Elena Pivarčiová et al., published by Sciendo

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

Interferometric Measurement of Heat Transfer above New Generation Foam Concrete

Publié en ligne: 24 août 2019

Pages: 153 - 160

Reçu: 22 mars 2019

Accepté: 31 juil. 2019

DOI: https://doi.org/10.2478/msr-2019-0021

Mots clésHolographic interferometry, Mach-Zehnder interferometer, heat transfer, foam concrete

© 2019 Elena Pivarčiová et al., published by Sciendo

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

Mots clés
Holographic interferometry, Mach-Zehnder interferometer, heat transfer, foam concrete