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Non-magnetic pitch and heavestabilizing T-foil
KTH, Superseded Departments, Aeronautical and Vehicle Engineering. (Marina system)
2002 (English)Student thesis
Abstract [en]

Pitch and heave are limiting motions when driving at high speed on water. The installation ofa T-foil is an effective solution that reduces these motions. Commercial T-foils are available,but today none of them are non-magnetic. This thesis studies the possibility to design anon-magnetic T-foil that can carry the considerable loads that such a constructionexperiences. The T-foil is designed for vessels such as the Visby Class corvette.

Vortex lattice theory is used to calculate the pressure distribution acting on the construction atdifferent load cases. Required laminate thickness is determined by iteration using a linearfinite element model of the fin.

The conclusion is that it is possible to manufacture a non-magnetic T-foil of the required size.A critical area in the construction is the T-joint between the vertical strut and the horizontalfoil. Future investigations should include laboratory tests of the T-joint as well as moredetailed hydrodynamic analysis for more accurate input parameters of the T-foil.

Place, publisher, year, edition, pages
2002. , 43 p.
Series
Master Thesis, ISSN 1651-7660 ; 2002:33
Keyword [en]
T-foil, non-magnetic, stabilization, composite
Identifiers
URN: urn:nbn:se:kth:diva-11029OAI: oai:DiVA.org:kth-11029DiVA: diva2:234673
Presentation
(English)
Uppsok

Supervisors
Note
NR 20140804Available from: 2009-09-10 Created: 2009-09-09 Last updated: 2010-04-28Bibliographically approved

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CiteExportLink to record
Permanent link

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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