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Partial loudness assesment of windturbine sound through continuousjudgment by category-ratio scaling
KTH, School of Engineering Sciences (SCI), Aeronautical and Vehicle Engineering.
2015 (English)Independent thesis Advanced level (degree of Master (Two Years)), 300 HE creditsStudent thesis
Abstract [en]

The periodic and determinist nature of wind turbine sound is believed to be a key factor for the high degreeof audibility. The present study investigated how alterations in fluctuating frequency affect the loudnessperception and detectability of wind turbine sound with and without background noise. The instantaneousloudness was judged for wind turbine sounds of different sonic character and altered fluctuating frequenciesusing the method of continuous judgment by category-ratio (CJCR) scaling. The obtained results showedlimited effects on the audibility despite altered fluctuating frequencies, rather it was found that the spectralcues dominate the loudness perception. These results was consistent for both measurements situation ofloudness and partial loudness.

Place, publisher, year, edition, pages
2015. , 33 p.
Series
TRITA-AVE, ISSN 1651-7660 ; 2016:53
National Category
Vehicle Engineering
Identifiers
URN: urn:nbn:se:kth:diva-182041OAI: oai:DiVA.org:kth-182041DiVA: diva2:902787
Subject / course
Technical Acoustics
Educational program
Master of Science in Engineering - Vehicle Engineering
Presentation
2015-11-17, Mumin, Teknikringen 8, 11428 Stockholm, Stockholm, 10:45 (English)
Supervisors
Examiners
Available from: 2016-10-18 Created: 2016-02-12 Last updated: 2016-10-18Bibliographically approved

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fulltext(1160 kB)28 downloads
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CiteExportLink to record
Permanent link

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Citation style
  • apa
  • 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