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On the accuracy of ...
On the accuracy of predicting wind-farm blockage
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- Forsting, Alexander R. Meyer (författare)
- Tech Univ Denmark, DTU Wind & Energy Syst, Frederiksborgvej 399, DK-4000 Roskilde, Denmark.
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- Navarro Diaz, Gonzalo (författare)
- Uppsala universitet,Vindenergi
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- Segalini, Antonio (författare)
- Uppsala universitet,Institutionen för geovetenskaper
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- Andersen, Soren J. (författare)
- Tech Univ Denmark, DTU Wind & Energy Syst, Anker Engelunds Vej 1, DK-2800 Lyngby, Denmark.
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- Ivanell, Stefan, 1974- (författare)
- Uppsala universitet,Vindenergi
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Tech Univ Denmark, DTU Wind & Energy Syst, Frederiksborgvej 399, DK-4000 Roskilde, Denmark Vindenergi (creator_code:org_t)
- Elsevier BV, 2023
- 2023
- Engelska.
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Ingår i: Renewable energy. - : Elsevier BV. - 0960-1481 .- 1879-0682. ; 214, s. 114-129
- Relaterad länk:
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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/10.1...
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Abstract
Ämnesord
Stäng
- To assess the uncertainty in blockage quantification, this study proposes a comparison of farm blockage predictions from wind-tunnel experiments, Reynolds Averaged Navier-Stokes based simulations using multiple numerical setups, and analytical models. The influence of the numerical setup is demonstrated to be small if a consistent definition of blockage (able to sort out systematic errors) is used. The effect of domain confinement and turbulence intensity is investigated assessing their range of variability. Different analytical models performed similarly in comparison to the numerical data, demonstrating the best accuracy for realistic spacing between the turbines and supporting their use as reliable engineering tools.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Maskinteknik -- Energiteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Mechanical Engineering -- Energy Engineering (hsv//eng)
Nyckelord
- Wind-farm blockage
- Blockage assessment
- Blockage uncertainty
- Annual energy production
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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