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Bulleremissioner från vertikalaxlade vindkraftverk
Halmstad University, School of Business and Engineering (SET), Biological and Environmental Systems (BLESS), Energiteknik.
2014 (Swedish)Independent thesis Basic level (professional degree), 10 credits / 15 HE creditsStudent thesis
Abstract [en]

Wind power in Sweden is expanding in response to the government's decision that 49% of Sweden's power should originate from renewable energy sources by the year 2020. Problems with noise and sound emissions related to wind turbines are a constant argument against the wind power expansion and this paper means to examine if vertical axis wind turbines might be a viable alternative to the conventional horizontal design for noise sensitive areas. In order to determine factors like difference in frequency, noise propagation and noise emission level, measurements of both horizontal and vertical axis wind turbines have been completed and the data analyzed with MATLAB. It is shown that there is a difference in how the noise from the two types of turbines propagates due to avariation in the frequency spectra of the emitted sound. It is also shown that vertical axis wind turbines generate a lower sound emission with less intensity inthe lower frequencies.

Place, publisher, year, edition, pages
2014. , 42 p.
Keyword [sv]
Buller, Vindkraft, Vertikalaxlade Vindkraftverk, Frekvensanalys
National Category
Energy Systems
URN: urn:nbn:se:hh:diva-25763OAI: diva2:727051
Subject / course
Energy Technology
Available from: 2014-06-19 Created: 2014-06-19 Last updated: 2014-06-19Bibliographically approved

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Examensarbete Sebastian Larsson(25958 kB)211 downloads
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