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Wave Energy Propulsion forPure Car and Truck Carriers(PCTCs)
KTH, School of Engineering Sciences (SCI), Aeronautical and Vehicle Engineering.
2009 (English)Independent thesis Advanced level (degree of Master (Two Years)), 20 credits / 30 HE creditsStudent thesisAlternative title
Vagenergiframdrivning av biltransportfartyg (PCTC's) (Swedish)
Abstract [en]

Wave Energy Propulsion for Pure Car and Truck Carriers (PCTC's)

The development of ocean wave energy technology has in recent years seena revival due to increased climate concerns and interest in sustainable energy.This thesis investigates whether ocean wave energy could also beused for propulsion of commercial ships, with Pure Car and Truck Carriers(PCTC's) being the model ship type used. Based on current wave energyresearch four technologies are selected as candidates for wave energy propulsion:bow overtopping, thrust generating foils, moving multi-point absorberand turbine-tted anti-roll tanks.Analyses of the selected technologies indicate that the generated propulsivepower does not overcome the added resistance from the system at the shipdesign speed and size used in the study. Conclusions are that further waveenergy propulsion research should focus on systems for ships that are slowerand smaller than current PCTC's.

Abstract [sv]

Vagenergiframdrivning av biltransportfartyg (PCTC's)

Utvecklingen av vagenergiteknik har pa senare ar fatt ett uppsving i sambandmed okande klimatoro och intresse for fornyelsebar energi. Detta examensarbeteutreder huruvida vagenergi aven skulle kunna anvandas till framdrivningav kommersiella fartyg, och anvander moderna biltransportfartyg(PCTC's - Pure Car and Truck Carriers) som fartygstyp for utredningen.Med utgangspunkt i aktuell vagenergiforskning tas fyra potentiella teknikerfor vagenergiframdrivning fram: "overtopping" i foren, passiva fenor, "movingmulti-point absorber" samt antirullningstankar med turbiner.Analys av de valda teknikerna indikerar att den genererade framdrivandekraften blir mindre an systemets adderade framdrivningsmotstand vid denfartygshastighet och -langd som anvands. Slutsatserna ar att framtida forskningom vagenergiframdrivning borde fokusera pa fartyg som ar mindre ochlangsammare an dagens PCTC-fartyg.

Place, publisher, year, edition, pages
2009. , 55 p.
Trita-AVE, ISSN 1651-7660 ; 2009:87
National Category
Engineering and Technology
URN: urn:nbn:se:kth:diva-121318OAI: diva2:618333
Available from: 2013-04-29 Created: 2013-04-26 Last updated: 2013-04-29Bibliographically approved

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