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Sayadi, Sana and Akander, Jan and Hayati, Abolfazl and Cehlin, Mathias Analyzing the climate-driven energy demand and carbon emission for a prototype residential nZEB in central Sweden. Energy and Buildings Volume 261, 15 April 2022, 111960, 261.

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Abstract

The changes in climate and the expected extreme climate conditions in the future, given the long life span of the buildings have pushed the design limits. In this study, the changes in primary energy use (PEPET), total energy use and CO2 emission were investigated for a prototype residential building. The building fulfils nearly zero energy building (NZEB) characteristics, imposed by the Swedish building regulations. Different cooling technologies and various typical meteorological year (TMY) climate files assembled for different periods, as well as automatic shading were investigated. The assembled TMY files advocated for the present (2001–2020) and mid-future (2041–2060) period using the CORDEX data. Different cooling methods and set-points (24–28 °C) were defined to evaluate the cooling energy demand changes. It was discovered that the freely available typical climate file fails to cover the induced changes in climate and its extreme implications on the building. The required cooling energy use increased from 1.7 to 5.8 times the freely available climate file, when using the projected TMY and the extreme climate files. Addition of automatic shading system reduced cooling energy up to 75% within the studied cooling methods and set-points. Moreover PEPET and CO2 emission also decreased for the studied cooling methods, climate and weather files.

Item Type: Article
Uncontrolled Keywords: Future climate file; Extreme weather file; Building performance simulation; Primary energy number; Carbon emission;
Subjects: English > Climate Change Adaptation
Depositing User: Susanna Carlsten
Date Deposited: 11 May 2022 06:46
Last Modified: 11 May 2022 06:46
URI: http://eprints.sparaochbevara.se/id/eprint/1154

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