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Life Cycle Exergy Analysis of Wind Energy Systems: Assessing and improving life cycle analysis methodology
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, Global Energy Systems.
2011 (English)Independent thesis Advanced level (professional degree), 20 credits / 30 HE creditsStudent thesis
Abstract [en]

Wind power capacity is currently growing fast around the world. At the same time different forms of life cycle analysis are becoming common for measuring the environmental impact of wind energy systems. This thesis identifies several problems with current methods for assessing the environmental impact of wind energy and suggests improvements that will make these assessments more robust.

The use of the exergy concept combined with life cycle analysis has been proposed by several researchers over the years. One method that has been described theoretically is life cycle exergy analysis (LCEA). In this thesis, the method of LCEA is evaluated and further developed from earlier theoretical definitions. Both benefits and drawbacks with using exergy based life cycle analysis are found. For some applications the use of exergy can solve many of the issues with current life cycle analysis methods, while other problems still remain.

The method of life cycle exergy analysis is used to evaluate the sustainability of an existing wind turbine. The wind turbine assessed appears to be sustainable in the way that it gives back many times more exergy than it uses during the life cycle.

Place, publisher, year, edition, pages
2011. , 64 p.
Series
UPTEC ES, ISSN 1650-8300 ; 11019
Keyword [en]
exergy, LCA, life cycle assessment, life cycle analysis, wind energy, wind power
National Category
Other Physics Topics
Identifiers
URN: urn:nbn:se:uu:diva-157185OAI: oai:DiVA.org:uu-157185DiVA: diva2:435510
Educational program
Master Programme in Energy Systems Engineering
Presentation
(Swedish)
Uppsok
Technology
Supervisors
Examiners
Available from: 2011-08-19 Created: 2011-08-18 Last updated: 2011-08-19Bibliographically approved

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CiteExportLink to record
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Citation style
  • apa
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Output format
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