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A spectral model of stably stratified surface-layer turbulence
KTH, School of Engineering Sciences (SCI), Mechanics. KTH, School of Engineering Sciences (SCI), Centres, Linné Flow Center, FLOW.ORCID iD: 0000-0001-8667-0520
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2015 (English)In: Wake Conference  2015, Institute of Physics Publishing (IOPP), 2015, Vol. 625, 012003Conference paper, Published paper (Refereed)
Abstract [en]

A new model to determine the spectral velocity tensor in a stably stratified flow is proposed. This model is complementary to the Mann model as it solves the stratified inviscid Rapid Distortion Theory equations analytically, allowing for the determination of the single and two-point velocity spectra as well as the temperature-velocity cross-spectra. The model has been here calibrated and validated against field measurements conducted over a forested area with measurements up to 140 m, therefore covering a region of interest for wind-energy applications.

Place, publisher, year, edition, pages
Institute of Physics Publishing (IOPP), 2015. Vol. 625, 012003
Series
Journal of Physics Conference Series, ISSN 1742-6588 ; 625
Keyword [en]
Image segmentation, Wind power, Energy applications, Field measurement, Rapid distortion theory, Region of interest, Spectral modeling, Stratified flows, Surface layer turbulence, Velocity spectrum
National Category
Applied Mechanics
Identifiers
URN: urn:nbn:se:kth:diva-172191DOI: 10.1088/1742-6596/625/1/012003ISI: 000358047700003Scopus ID: 2-s2.0-84946771468OAI: oai:DiVA.org:kth-172191DiVA: diva2:846516
Conference
4th Wake Conference 2015, Uppsala University Campus - Campus Gotland, Visby, Sweden, 9 June 2015 through 11 June 2015
Funder
StandUp for Wind
Note

QC 20150817

Available from: 2015-08-17 Created: 2015-08-14 Last updated: 2017-01-18Bibliographically approved

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Segalini, AntonioAlfredsson, P. Henrik

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CiteExportLink to record
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Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
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  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
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