A component based bottom-up building stock model for comprehensive environmental impact assessment and target control

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A component based bottom-up building stock model for comprehensive environmental impact assessment and target control

Heeren, Niko (författare): Eidgenössische Technische Hochschule Zürich (ETH),Swiss Federal Institute of Technology in Zürich (ETH)

Jakob, Martin (författare)

Martius, Gregor (författare)

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Gross, Nadja (författare)

Wallbaum, Holger, 1967 (författare): Chalmers tekniska högskola,Chalmers University of Technology

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(creator_code:org_t)

Elsevier BV, 2013
2013
Engelska.
Ingår i: Renewable and Sustainable Energy Reviews. - : Elsevier BV. - 1879-0690 .- 1364-0321. ; 20:April 2013, s. 45-56

Relaterad länk:: http://dx.doi.org/10...; visa fler...; https://doi.org/10.1...; https://research.cha...; visa färre...

Forskningsöversikt (refereegranskat)

Abstract Ämnesord

Stäng

The building stock is one of the most important energy consumers worldwide. Therefore, a number of energy reduction targets and regulations exist for the construction sector. Different building stock models have been developed in order to investigate the potentials of energy-efficiency and changes in energy source in the building stock. However,these models often have important shortcomings, since they are single-issued and do not include the life cycle of buildings. Thus,we propose an innovative assessment methodology in the form of a life cycle-based building stock model(LC-Build). The building stock is clustered in building cohorts of similar construction and equipment characteristics in terms oftype, construction period and building technology systems. The most important building components are assigned specific thermal transmittance values. Figures for diffusion and retrofit rate describe the development of the building stock fabric. Additionally,environmental impact from the energy supply side is taken into account. This approach facilitates the evaluation of the effectiveness of measures and their dynamics on the building stock, such as newer and more efficient technologies and practicesrelated to energy policies and prices.Furthermore, the model has a direct relationship to the construction activity(energy-efficiency measures, substitution of fossil energy based heating systems) and fosters the comprehension of material flows, related environmental impact,and costs.The practicality of this approach is demonstrated by means of a case study in the city of Zurich in Switzerland. The results suggest that Zurich has are markable potential to reduce its greenhouse gas emissions from the building sector: 85% by 2050. The case study highlights the advantages of the proposed modeling approach. The LC-Build is a valuable tool to identify and test sustainable energy targets for building stocks, such as the European 20–20–20 target.

Ämnesord

TEKNIK OCH TEKNOLOGIER -- Naturresursteknik -- Annan naturresursteknik (hsv//swe)
ENGINEERING AND TECHNOLOGY -- Environmental Engineering -- Other Environmental Engineering (hsv//eng)
TEKNIK OCH TEKNOLOGIER -- Naturresursteknik -- Energisystem (hsv//swe)
ENGINEERING AND TECHNOLOGY -- Environmental Engineering -- Energy Systems (hsv//eng)
TEKNIK OCH TEKNOLOGIER -- Samhällsbyggnadsteknik -- Husbyggnad (hsv//swe)
ENGINEERING AND TECHNOLOGY -- Civil Engineering -- Building Technologies (hsv//eng)

Nyckelord

Building stock
Greenhouse gas emissions
Life cycle assessment
Sustainability targets
Bottom-up model
Energy efficiency

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Av författaren/redakt...: Heeren, Niko; Jakob, Martin; Martius, Gregor; Gross, Nadja; Wallbaum, Holger ...

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TEKNIK OCH TEKNOLOGIER: TEKNIK OCH TEKNO ...; och Naturresurstekni ...; och Energisystem

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Av lärosätet: Chalmers tekniska högskola

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