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Experimental and analytical investigation of forest clearings
KTH, School of Engineering Sciences (SCI), Mechanics. KTH, School of Engineering Sciences (SCI), Centres, Linné Flow Center, FLOW.ORCID iD: 0000-0001-8667-0520
2016 (English)In: Springer Proceedings in Physics, Springer, 2016, Vol. 185, 339-346 p.Conference paper (Refereed)
Abstract [en]

A numerical model of forest clearings is proposed based on the linearised Euler equations. The forest is replaced by distributed body forces that decrease the flow momentum entrained inside the canopy. The model is compared with available wind-tunnel measurements of clearings areas. It is observed that the model deviates from themeasurements over the forest surface, but the performance improve over the clearing surface, probably associated to an incorrect evaluation of the forest intensity. The proposed model suggests that the clearing is associated to an internal boundary layer with intensity function of the clearing length.

Place, publisher, year, edition, pages
Springer, 2016. Vol. 185, 339-346 p.
Series
Springer Proceedings in Physics, ISSN 0930-8989 ; 185
Keyword [en]
Boundary layers, Fighter aircraft, Wakes, Wind tunnels, Analytical investigations, Body forces, Flow momentums, Intensity functions, Internal Boundary layer, Wind tunnel measurements, Forestry
National Category
Mechanical Engineering
Identifiers
URN: urn:nbn:se:kth:diva-194583DOI: 10.1007/978-3-319-30602-5_43ISI: 000387431400043ScopusID: 2-s2.0-84979030800ISBN: 9783319306001 (print)OAI: oai:DiVA.org:kth-194583DiVA: diva2:1044191
Conference
5th International Conference on Jets, Wakes and Separated Flows, ICJWSF2015, 15 June 2015 through 18 June 2015
Funder
StandUp for Wind
Note

QC 20161102

Available from: 2016-11-02 Created: 2016-10-31 Last updated: 2017-01-18Bibliographically approved

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CiteExportLink to record
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Citation style
  • apa
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Language
  • de-DE
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  • nn-NO
  • nn-NB
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Output format
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