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On input parameters...
On input parameters, methods and assumptions for energy balance and retrofit analyses for residential buildings
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- Dodoo, Ambrose, 1979- (författare)
- Linnéuniversitetet,Institutionen för byggd miljö och energiteknik (BET),SBER
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- Tettey, Uniben Yao Ayikoe, 1979- (författare)
- Linnéuniversitetet,Institutionen för byggd miljö och energiteknik (BET),SBER
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- Gustavsson, Leif, 1954- (författare)
- Linnéuniversitetet,Institutionen för byggd miljö och energiteknik (BET),SBER
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(creator_code:org_t)
- Elsevier, 2017
- 2017
- Engelska.
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Ingår i: Energy and Buildings. - : Elsevier. - 0378-7788 .- 1872-6178. ; 137, s. 76-89
- Relaterad länk:
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https://urn.kb.se/re...
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visa fler...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- In this study we explore key parameter values, methods and assumptions used for energy balance modelling of residential buildings in the Swedish context and analyse their effects on calculated energy balance of a typical multi-storey building from 1970s and on energy savings of energy efficiency retrofit measures. The parameters studied are related to microclimate, building envelope, occupancy behaviour, ventilation, and heat gains from electric appliances and persons. Our study shows that assumed indoor air temperature, internal heat gains and efficiency of ventilation heat recovery units have significant effect on the simulated energy performance of the studied building and energy efficiency measures. Of the considered microclimate parameter values and assumptions, the outdoor temperature, ground solar reflection and window shading have significant impact on the simulated space heating and cooling demands. On the contrary, the simulated energy performances are less affected by the variations in air pressure outside and the percentage of wind load that hits the building. We found that input data and assumptions used for energy balance calculations and energy saving analyses vary significantly in the Swedish context. These result in significantly different calculated final energy performance of buildings and energy efficiency measures. To inform accurate analysis of energy performance of building and energy saving measures, input parameters used in simulation models need to be appropriate.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Samhällsbyggnadsteknik -- Husbyggnad (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Civil Engineering -- Building Technologies (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Naturresursteknik -- Energisystem (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Environmental Engineering -- Energy Systems (hsv//eng)
Nyckelord
- Byggteknik
- Civil engineering
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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