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Global sensitivity analysis of the building energy performance and correlation assessment of the design parameters
KTH, School of Architecture and the Built Environment (ABE), Civil and Architectural Engineering, Building Technology.
2011 (English)Independent thesis Advanced level (professional degree), 30 credits / 45 HE creditsStudent thesis
Abstract [en]

The world’s energy use in buildings (residential and commercial) accounts for around

40% of the worldwide energy consumption, and space heating is the responsible for half

of the energy need in the building sector. In Europe, only a small share (less than 10%) of

existing buildings was built after 1990. Most of the building stock does not satisfy the

recent energy technical standards; in addition there is a very low trend to construct new

buildings in the last years.

Renovation of the existing buildings is a feasible option to reduce the energy need in

Europe, but finding the optimum solutions for a renovation is not a simple task. Each

design parameter differently influences the final energy need of buildings and,

furthermore, the different variables are differently correlated each other. Building

refurbishment will benefit from a tool for the selection of the best measures in term of

energy need.

This work, through a global sensitivity analysis, aims at determining the contribution of

the design parameters to the building energy demand and the correlation between the

different variables. The considered parameters are related to the improvement of the

thermal transmittance of both the opaque envelope and the windows, the solar

transmittance of the glazing surfaces, the window size, the thermal inertia of the internal

walls and the external sunshades for windows. Several dynamic simulations have been

performed varying the design parameters from different starting conditions. Finally, due

to the large number of cases elaborated, an inferential statistical analysis has been

performed in order to identify the predominant factors and the correlation between the

design parameters in a global context.

Place, publisher, year, edition, pages
2011.
Series
Examensarbete Byggnadsteknik
Keyword [en]
Building energy performance design parameters
National Category
Building Technologies
Identifiers
URN: urn:nbn:se:kth:diva-35044OAI: oai:DiVA.org:kth-35044DiVA: diva2:424285
Subject / course
Building Technology
Uppsok
Technology
Supervisors
Examiners
Available from: 2011-08-18 Created: 2011-06-17 Last updated: 2011-08-18Bibliographically approved

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CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf