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The influence of secondary effects on global warming and cost optimization of insulation in the building envelope
RISE - Research Institutes of Sweden, Samhällsbyggnad, Byggteknik. Lund University, Sweden.ORCID-id: 0000-0002-8530-688x
RISE - Research Institutes of Sweden.ORCID-id: 0000-0002-3863-0740
RISE - Research Institutes of Sweden, Samhällsbyggnad, Energi och cirkulär ekonomi.ORCID-id: 0000-0002-8826-6254
Lund University, Sweden.
2017 (engelsk)Inngår i: Building and Environment, ISSN 0360-1323, E-ISSN 1873-684X, Vol. 118, s. 174-183Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

The relative environmental impact from the building construction phase is increasing compared to the operation phase for new buildings. Therefore, it is important to consider the complete environmental life cycle of energy improvement measures. Many advanced optimization methods have been developed in recent years to assess building life cycle impact. However, these previous studies have not fully addressed the secondary effects, in other words, indirect effects outside the actual design option. This may lead to conclusions of optimization studies based on misleading calculation results. The main purpose this study was to highlight the relevance of including secondary effects in optimization of building design with respect to global warming potential and cost. This was done by conducting a parameter study of the building envelope insulation thickness with regard to global warming potential and life cycle costs, while considering secondary effects induced by the different design options. Findings from this study show that secondary effects influence the system boundary, algorithm architecture, results and the final conclusions of optimal building design. Omitting secondary effects can thus lead to incorrect decision on optimal solutions with regard to global warming potential and life cycle cost. Therefore, it is therefore important to take them into consideration when performing optimization studies of building design options.

sted, utgiver, år, opplag, sider
2017. Vol. 118, s. 174-183
Emneord [en]
Building envelope, Life cycle assessment, Life cycle cost, Optimization, Secondary effects, Architectural design, Buildings, Costs, Environmental impact, Global warming, Life cycle, Solar buildings, Algorithm architectures, Building construction, Building envelopes, Environmental life cycle, Global warming potential, Life Cycle Assessment (LCA), Lifecycle costs, Structural design
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Identifikatorer
URN: urn:nbn:se:ri:diva-29309DOI: 10.1016/j.buildenv.2017.03.019Scopus ID: 2-s2.0-85016298996OAI: oai:DiVA.org:ri-29309DiVA, id: diva2:1091462
Tilgjengelig fra: 2017-04-26 Laget: 2017-04-26 Sist oppdatert: 2023-06-05bibliografisk kontrollert

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