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Model for Predicting Resistance and Running Attitude of High-Speed Craft Equipped with Interceptors: A comparative study including validation on Swedish Coast Guard patrol boat KBV 315
KTH, School of Engineering Sciences (SCI).
KTH, School of Engineering Sciences (SCI).
2016 (English)Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
Abstract [en]

The purpose of this bachelor thesis is to build a model for predicting resistance and running attitude of high-speed craft equipped with interceptors. The thesis examines the profits gained in terms of economic, comfort and environmental investment. The current study aims to illustrate the impact of interceptors in planing ships, by simulating a steady state model of the dynamic running position. Thus, data regarding trim and drag will be generated. The model is based on previously made studies by Savitsky, Dawson and Blount, Brown and Steen. Extrapolation of the results is realized with the Swedish Coast Guard boat KBV 315 to validate interceptor benefits with the Coast Guard patrol craft.

Two different models are presented and the results show a fuel consumption reduction of 8-13%, for the speed range of 15-24 knots, and maximum trim decrease of 1.7˚ for KBV 315. It is concluded that interceptors have a great potential of increasing both comfort (in terms of trim) and efficiency of high-speeds crafts. The provided models can be used as an estimation tool of the outcome before issuing an installing project.

Place, publisher, year, edition, pages
2016. , 43 p.
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:kth:diva-193664OAI: oai:DiVA.org:kth-193664DiVA: diva2:1033545
Available from: 2016-10-10 Created: 2016-10-07 Last updated: 2016-10-10Bibliographically approved

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CiteExportLink to record
Permanent link

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Citation style
  • apa
  • 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