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Noise Emission of a...
Noise Emission of a 200 kW Vertical Axis Wind Turbine
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- Möllerström, Erik, 1984- (författare)
- Uppsala universitet,Högskolan i Halmstad,Energiteknik,Uppsala University, Uppsala, Sweden,Elektricitetslära,Högskolan i Halmstad, Energiteknik
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- Ottermo, Fredric, 1975- (författare)
- Högskolan i Halmstad,Energiteknik,Högskolan i Halmstad, Energiteknik
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- Hylander, Jonny, 1955- (författare)
- Högskolan i Halmstad,Energiteknik,Högskolan i Halmstad, Energiteknik
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- Bernhoff, Hans (författare)
- Uppsala universitet,Elektricitetslära
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(creator_code:org_t)
- 2015-12-29
- 2016
- Engelska.
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Ingår i: Energies. - Basel : MDPI. - 1996-1073. ; 9:1
- Relaterad länk:
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https://doi.org/10.3...
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https://hh.diva-port... (primary) (Raw object)
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https://www.mdpi.com...
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https://uu.diva-port... (primary) (Raw object)
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https://urn.kb.se/re...
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https://doi.org/10.3...
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https://urn.kb.se/re...
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Abstract
Ämnesord
Stäng
- The noise emission from a vertical axis wind turbine (VAWT) has been investigated. A noisemeasurement campaign on a 200 kW straight-bladed VAWT has been conducted, and the result hasbeen compared to a semi-empirical model for turbulent-boundary-layer trailing edge (TBL-TE) noise.The noise emission from the wind turbine was measured, at wind speed 8 m/s, 10 m above ground, to96.2 dBA. At this wind speed, the turbine was stalling as it was run at a tip speed lower than optimaldue to constructional constraints. The noise emission at a wind speed of 6 m/s, 10 m above groundwas measured while operating at optimum tip speed and was found to be 94.1 dBA. A comparisonwith similar size horizontal axis wind turbines (HAWTs) indicates a noise emission at the absolutebottom of the range. Furthermore, it is clear from the analysis that the turbulent-boundary-layertrailing-edge noise, as modeled here, is much lower than the measured levels, which suggests thatother mechanisms are likely to be important, such as inflow turbulence.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Maskinteknik -- Energiteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Mechanical Engineering -- Energy Engineering (hsv//eng)
Nyckelord
- vertical axis wind turbine (VAWT)
- H-rotor
- noise
- noise emission
- sound power level
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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