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Technical gazette, Vol. 25 No. Supplement 1, 2018.

Preliminary communication

https://doi.org/10.17559/TV-20161205160405

Influence of Single and Double Membrane Roofs on Thermal Behaviour of Enclosed Space

Dragan Kostic orcid id orcid.org/0000-0001-6927-4155 ; University of Nis, Faculty of Civil Engineering and Architecture, A. Medvedeva 14, 18000 Nis, Serbia
Vuk Milosevic orcid id orcid.org/0000-0003-1211-215X ; University of Nis, Faculty of Civil Engineering and Architecture, A. Medvedeva 14, 18000 Nis, Serbia
Veliborka Bogdanovic ; University of Nis, Faculty of Civil Engineering and Architecture, A. Medvedeva 14, 18000 Nis, Serbia
Miomir Vasov orcid id orcid.org/0000-0002-4525-9644 ; University of Nis, Faculty of Civil Engineering and Architecture, A. Medvedeva 14, 18000 Nis, Serbia
Aleksandar Vucur ; ArTech inzenjering, Zvecanska 1a, 11000 Belgrade, Serbia

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Abstract

Even though membrane structures have been increasingly used in the world, their energy efficiency is very unfavourable due to poor thermal properties. This causes relatively high consumption of heating energy in the winter, as well energy consumed for the operation of air-conditioning during the summer, that is, under circumstances which require thermal comfort. Since thermal comfort depends on the air temperature and temperature of the interior surfaces of the envelope, this paper presents a study of the measurement and comparison of temperatures of single and double membrane structures in the summer period. Data collection was accomplished by measuring two adjacent structures, one covered with single and the other covered by a double membrane. Verification of the measured data was performed by comparing it with the official measured temperatures in the same period. The air temperatures were measured in all the separate air compartments and particular surfaces of each membrane. By analysing the measured data and their classification based on daylight and night-time periods, certain conclusions were drawn about the influence of an additional layer of membrane on the temperature of the air inside a covered structure.

Keywords

air temperature; energy efficiency; fabric structures; membrane structures; single and double membranes; surface temperature; textile membranes; thermal properties

Hrčak ID:

200617

URI

https://hrcak.srce.hr/200617

Publication date:

26.5.2018.

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