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- Allard, Ingrid,1986-Umeå universitet,Institutionen för tillämpad fysik och elektronik (author)
Energy evaluation of residential buildings : Performance gap analysis incorporating uncertainties in the evaluation methods
- Article/chapterEnglish2018
Publisher, publication year, extent ...
- 2018-03-20
- Tsinghua University Press,2018
- printrdacarrier
Numbers
- LIBRIS-ID:oai:DiVA.org:umu-150666
- https://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-150666URI
- https://doi.org/10.1007/s12273-018-0439-7DOI
Supplementary language notes
- Language:English
- Summary in:English
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- SwePubSwePub
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- Originally included in thesis in manuscript form with title A methodology to investigate the building energy performance gap
- Calculation and measurement-based energy performance evaluations of the same building often provide different results. This difference is referred as "the performance gap". However, a large performance gap may not necessarily mean that there are flaws in the building or deviations from the intended design. The causes for the performance gap can be analysed by calibrating the simulation model to measured data. In this paper, an approach is introduced for verifying compliance with energy performance criteria of residential buildings. The approach is based on a performance gap analysis that takes the uncertainties in the energy evaluation methods into consideration. The scope is to verify building energy performance through simulation and analysis of measured data, identifying any performance gap due to deviations from the intended design or flaws in the finished building based on performance gap analysis. In the approach, a simulation model is calibrated to match the heat loss coefficient of the building envelope [kWh/K] instead of the measured energy. The introduced approach is illustrated using a single-family residential building. The heat loss coefficient was found useful towards identifying any deviations from the intended design or flaws in the finished building. The case study indicated that the method uncertainty was important to consider in the performance gap analysis and that the proposed approach is applicable even when the performance gap appears to be non-existing.
Subject headings and genre
- TEKNIK OCH TEKNOLOGIER Maskinteknik Energiteknik hsv//swe
- ENGINEERING AND TECHNOLOGY Mechanical Engineering Energy Engineering hsv//eng
- performance gap
- energy signature
- calibration
- simulation
- design criteria
Added entries (persons, corporate bodies, meetings, titles ...)
- Olofsson, Thomas,1968-Umeå universitet,Institutionen för tillämpad fysik och elektronik(Swepub:umu)thol0001 (author)
- Nair, GireeshUmeå universitet,Institutionen för tillämpad fysik och elektronik(Swepub:umu)gigo0003 (author)
- Umeå universitetInstitutionen för tillämpad fysik och elektronik (creator_code:org_t)
Related titles
- In:Building Simulation: Tsinghua University Press11:4, s. 725-7371996-35991996-8744
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