Structures that Include a Semi-Outdoor Space: Part 1: Energy Performance

Kyriaki Foteinaki, C. Papachristou, Ongun Berk Kazanci, Bjarne W. Olesen

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Abstract

There are several examples of buildings that are partially or entirely covered by a
transparent shield, such that a semi-outdoor space between the building and the
shield is created. The purpose of the present study was to investigate the impact of the addition of a shield on the energy use of a building. Two case study buildings were examined; the EMBRACE dwelling, which has a climate shield on two of its sides and the ‘’Dome of Visions (DoV)’’, in which a dwelling is enclosed in a domeshaped climate shield. Simulations were performed using IDA ICE software, where both buildings were simulated in two versions; with and without their climate shield. The results of the two versions were compared in terms of peak load and energy demand in the Copenhagen region, for three different cases; during the heating season, during the cooling season and during the cooling season with natural ventilation in the semi-outdoor space. In EMBRACE, the heating and cooling demand were only slightly affected by the addition of the climate shield. However, when implementing natural ventilation in the semi-outdoor space both the peak cooling load and the energy demand were reduced during the cooling season by 30.8% and 14.6% respectively. In DoV, the addition of the shield resulted in a reduced heating demand (-37.7%) but significantly higher cooling demand (109.8%), although with natural ventilation the peak cooling load and the energy demand were reduced, by 34.8% and 61.6% respectively, compared to the unshielded version of the building.
Original languageEnglish
Title of host publicationCLIMA 2016 - Proceedings of the 12th REHVA World Congress
EditorsPer Kvols Heiselberg
Number of pages8
Volume10
Publication date2016
ISBN (Print)87-91606-36-5
Publication statusPublished - 2016
Event12th REHVA World Congress - Aalborg, Denmark
Duration: 22 May 201625 May 2016
http://www.clima2016.org/welcome.aspx

Conference

Conference12th REHVA World Congress
CountryDenmark
CityAalborg
Period22/05/201625/05/2016
Internet address

Keywords

  • Semi-outdoor space
  • Climate shield
  • Energy demand
  • Peak load

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