Efficient Multi-Layer Wall Panel
https://doi.org/10.21122/2227-1031-2022-21-5-410-418
Abstract
A comprehensive analysis of the multilayer wall panel has been performed. The heat-insulating layer, the thickness of which affects both the dimensions of the enclosing structure and the heat-shielding efficiency of the wall panel, has been studied,. Reducing the thickness of the thermal insulation layer is an important issue, since the production of three-layer panels is expensive in energy and material terms. The features of using a different number of screens to reduce the size of the thermal insulation layer are presented. An example of the possibility of a maximum reduction in the size of the heat-insulating layer, when the thickness of the interlayer din cannot be less than 3–5 mm is given. It is shown that the total thickness of the thermal insulation layer will be 0.057 m in the presence of the maximum possible number of screens – 12. For these conditions, the temperatures in the enclosure planes are calculated, according to the values of which the values of the maximum partial pressures E and partial pressures of water vapor e are determined (for the variants of perforated е¢ and non-perforated е¢¢ screens). According to the obtained values the dependences E, е¢, е¢¢ on the temperature in the planes of the fence are constructed. The calculations carried out and a general assessment of the heat and humidity regime in the enclosing structures were confirmed with the help of the compiled program and the calculation of the necessary parameters е and t in the layers of the structure. It has been established that various shielding materials can be used to exclude condensation zones during the operation of enclosing structures.
About the Authors
V. D. SizovBelarus
Address for correspondence:
Sizov Valeriy D –
Belаrusian National Technical University,
65 Nezavisimosty Ave.,
220013 , Minsk, Republic of Belarus.
Tel.: +375 17 293-93-52
tgv_fes@bntu.by
A. V. Pavlovskaya
Belarus
Minsk
References
1. SN [Building Regulation] 2.04.02–2020. Buildings and structures. Energy efficiency. Minsk, Publishing House of Ministry of Architecture and Construction of the Republic of Belarus, 2021. 24 (in Russian).
2. Khrustalev B. M., Nesenchuk A. P., Timoshpol'skii V. I., Akel'ev V. D., Sednin V. A., Kopko V. M., Nerez'ko A. V. (2007) Heat and Mass Transfer. Part 1. Minsk, Belarusian National Technical University. 606 (in Russian).
3. Sizov V. D., L. V. Nesterov, V. M. Kopko (2016) Effect of the Screens Radiant Reflectance on Thermal Transport Process in the Cladding Structures. Enеrgеtika. Izvestiya Vysshikh Uchebnykh Zavedenii i Energeticheskikh Ob’edinenii SNG = Energetika. Proceedings of CIS Higher Education Institutions and Power Engineering Associations, (1), 46–55 (in Russian).
4. Ivantsov G. P. (1970) Heat transfer by radiation in fire engineering installations (engineering problem solving). Moscow, Energiya Publ. 400 (in Russian).
5. Fokin K. F. (2006) Construction heat engineering of enclosing parts of buildings. 5th Ed. Moscow, AVOK-PRESS Publ. 256 (in Russian).
6. Khroustalev B. M., Sizov V. D., Akeliev V. D., Nesterov L. V. (2014) Multilayer wall panel. Patent of the Republic of Belarus No. 18473 (in Russian).
7. Sizov V. D., Nesterov L. V., Kopko V. M. (2017) Influence of non-perforated screen location on heat transfer process in building enclosing parts. Nauka i Tekhnika = Science & Technique, 16 (2), 119–124 (in Russian). https://doi.org/10.21122/2227-1031-2017-16-2-119-124.
8. Protasevich A. M. (2016) Building thermal physics of enclo-sing structures and indoor microclimate. Minsk, Belarusian National Technical University. 452 (in Russian).
9. Kudinov A. A. (2016) Building thermal physics. Moscow, INFRA-M Publ. 262 (in Russian).
10. Pollack R. W. (2011) Multi-layer building insulation and wallboard sheet with multi-layer insulation. Patent US8011151B2.
11. Khroustalev B. M., Sizov V. D., Nesterov L. V. (2017) Multilayer wall panel. Patent of the Republic of Belarus No. 20723 (in Russian).
Review
For citations:
Sizov V.D., Pavlovskaya A.V. Efficient Multi-Layer Wall Panel. Science & Technique. 2022;21(5):410-418. (In Russ.) https://doi.org/10.21122/2227-1031-2022-21-5-410-418