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Utveckling och konstruktionav en tidvattenboj
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Engineering Sciences, Industrial Engineering & Management.
2015 (Swedish)Independent thesis Basic level (professional degree), 10 credits / 15 HE creditsStudent thesis
Abstract [en]

This thesis describes the design of a buoy equipped with a tidal compensation system

for wave energy conversion: the buoy is a part of the wave power unit developed by

Uppsala University. The motion of the buoy at the surface is transmitted with a wire

to a linear generator at the seabed that produces electricity. The length of the wire,

the so called connection line, has to be adjusted according to the tidal level at the site,

hence, a compensation system will be integrated to the buoy. The work carried out

within this thesis results in a complete manufacturing documentation of the new

generation buoy to be able to order a prototype.

After reviewing the material written on this subject, ideas and concepts were

developed, and the advantages and disadvantages of each of them were highlighted. A

concept was chosen with the help of an evaluation matrix and conversations with my

supervisor and customer. The selected concept was studied in more detail and

drawings were produced. The concept is based on the buoy currently used by

Seabased AB integrated with the tidal compensation system.

The result is a modified existing buoy with the ability to contain the existing tidal

compensator in a waterproof environment. The tidal compensator is placed in a box

held by three beams leaning toward the center of the buoy. The buoy is built and

analyzed in a CAD-program called SolidWorks, to make sure it can withstand the

forces applied on it. The result shown in the thesis meets the objectives and the

requirements that were set together with the supervisor at the beginning of the

work. Some ideas for improvements and further development work are presented at

the end of this report.

Place, publisher, year, edition, pages
Keyword [sv]
Konstruktion, vågkraftboj, produktutveckling, CAD
National Category
Mechanical Engineering
URN: urn:nbn:se:uu:diva-260010ISRN: UTH-INGUTB-EX-M-2015/30-SEOAI: oai:DiVA.org:uu-260010DiVA: diva2:845975
Educational program
Bachelor Programme in Mechanical Engineering
Available from: 2015-08-13 Created: 2015-08-13 Last updated: 2015-08-13Bibliographically approved

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The full text will be freely available from 2018-08-13 14:54
Available from 2018-08-13 14:54

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