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Estimating local boundary layer properties using CFD and wind tunnel measurements
KTH, School of Engineering Sciences (SCI), Aeronautical and Vehicle Engineering.
KTH, School of Engineering Sciences (SCI), Aeronautical and Vehicle Engineering.
(English)Manuscript (Other academic)
National Category
Vehicle Engineering
Identifiers
URN: urn:nbn:se:kth:diva-6184OAI: oai:DiVA.org:kth-6184DiVA: diva2:10822
Note
QC 20101123Available from: 2006-10-03 Created: 2006-10-03 Last updated: 2010-11-23Bibliographically approved
In thesis
1. Scaling techniques using CFD and wind tunnel measurements for use in aircraft design
Open this publication in new window or tab >>Scaling techniques using CFD and wind tunnel measurements for use in aircraft design
2006 (English)Licentiate thesis, comprehensive summary (Other scientific)
Abstract [en]

This thesis deals with the problems of scaling aerodynamic data from wind tunnel conditions to free flight. The main challenges when this scaling should be performed is how the model support, wall interference and the potentially lower Reynolds number in the wind tunnel should be corrected.

Computational Fluid Dynamics (CFD) simulations have been performed on a modern transonic transport aircraft in order to reveal Reynolds number effects and how these should be scaled accurately. This investigation also examined how the European Transonic Wind tunnel (ETW) twin sting model support influences the flow over the aircraft. In order to further examine Reynolds number effects a MATLAB based code capable of extracting local boundary layer properties from structured and unstructured CFD calculations have been developed and validated against wind tunnel measurements. A general scaling methodology is presented.

Place, publisher, year, edition, pages
Stockholm: KTH, 2006. xii, 17 p.
Series
Trita-AVE, ISSN 1651-7660 ; 2006:64
Keyword
CFD, wind tunnel, scaling, Reynolds number effect
National Category
Vehicle Engineering
Identifiers
urn:nbn:se:kth:diva-4122 (URN)
Presentation
2006-10-13, S40, Teknikringen 8, Stockholm, 10:00
Opponent
Supervisors
Note
QC 20101123Available from: 2006-10-03 Created: 2006-10-03 Last updated: 2010-11-23Bibliographically approved

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CiteExportLink to record
Permanent link

Direct link
Cite
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
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf