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A study of a dynamic rotating blade at an arbitrary stagger angle using Chebyshev collocation method
KTH, School of Engineering Sciences (SCI), Aeronautical and Vehicle Engineering, MWL Structural and vibroacoustics. KTH, School of Engineering Sciences (SCI), Aeronautical and Vehicle Engineering, Marcus Wallenberg Laboratory MWL.
KTH, School of Engineering Sciences (SCI), Aeronautical and Vehicle Engineering, MWL Structural and vibroacoustics. KTH, School of Engineering Sciences (SCI), Aeronautical and Vehicle Engineering, Marcus Wallenberg Laboratory MWL.ORCID iD: 0000-0001-5760-3919
2011 (English)In: 40th International Congress and Exposition on Noise Control Engineering 2011, INTER-NOISE 2011, 2011, 2070-2076 p.Conference paper, Published paper (Other academic)
Abstract [en]

A dynamic model of a straight, rotating blade is used and the equations of motion as well as the boundary conditions are extracted from the corresponding variational formulas. The Chebyshev collocation method is applied to discretize the two-dimension equations of motion on a 2D mesh grid. With an appropriate implementation on the dynamic boundary conditions, a coupled 2 nd order ordinary differential equation is obtained for the numerical simulation. A validation study with the convergence analysis is performed showing an acceptable agreement and a parametric analysis is implemented giving a Campbell diagram. Furthermore, the results archived by this method can be applied to both forced response and transient analyses.

Place, publisher, year, edition, pages
2011. 2070-2076 p.
Keyword [en]
Collocation, Rotating blade, Vibration
National Category
Applied Mechanics
Identifiers
URN: urn:nbn:se:kth:diva-62707Scopus ID: 2-s2.0-84867946152ISBN: 978-161839280-0 (print)OAI: oai:DiVA.org:kth-62707DiVA: diva2:480918
Conference
40th International Congress and Exposition on Noise Control Engineering 2011, INTER-NOISE 2011; Osaka; Japan; 4-7 September 2011
Funder
TrenOp, Transport Research Environment with Novel Perspectives
Note

QC 20140905

Available from: 2012-01-20 Created: 2012-01-20 Last updated: 2014-09-05Bibliographically approved

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Kari, Leif

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