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Propeller design procedure for a wind-assisted KVLCC2
Chalmers University of Technology, Sweden.
Kongsberg Maritime Sweden AB, Sweden.
Kongsberg Maritime Sweden AB, Sweden.
RISE Research Institutes of Sweden, Säkerhet och transport, Maritima avdelningen. (SSPA)ORCID-id: 0000-0002-6266-2320
Vise andre og tillknytning
2022 (engelsk)Inngår i: PRADS 2022 Book of Abstracts, 2022Konferansepaper, Oral presentation with published abstract (Fagfellevurdert)
Abstract [en]

Wind-assisted ship propulsion (WASP) has received much attention lately with research focusing on the different sail technologies, ship-hull design optimisation and weather route optimisation. However, the traditional propulsion system is still needed for wind assisted vessels and is associated with several challenges, related to the wide range of operating conditions and propeller loads due to the varying degree of wind-assistance that will occur. In this study we use an interactive design and optimisation methodology applied on propellers of wind-assisted vessels. The methodology involves handling the complete operating profile of the propeller, an optimisation method for interactive cavi-tation evaluation by the blade designer, and the use of a new objective, the total energy consumption (TEC) of the expected operation. We use a case study where the KVLCC2 tanker is retrofitted with six Flettner rotor sails, operating between two fixed destinations at constant speed. The purpose is to investigate to what extent a new propeller design can offer a significantly lower TEC when compared to the existing design. Based on the results of this study, approximately 0.9% further reduction in TEC was achieved with the WASP adapted propeller compared to the existing one.

sted, utgiver, år, opplag, sider
2022.
Emneord [en]
Marine propeller design, Wind-assisted ship propulsion, Interactive optimisation, Fixed-pitch propeller, Total energy consumption.
HSV kategori
Identifikatorer
URN: urn:nbn:se:ri:diva-61530OAI: oai:DiVA.org:ri-61530DiVA, id: diva2:1719168
Konferanse
15th International Symposium on Practical Design of Ships and Other Floating Structures 09 - 13 OCTOBER 2022 - DUBROVNIK - CROATIA
Tilgjengelig fra: 2022-12-14 Laget: 2022-12-14 Sist oppdatert: 2023-04-28bibliografisk kontrollert

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