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Tillverkning av vingblad för små vindkraftverk enligt Piggotts kunstruktion
Halmstad University, School of Business, Engineering and Science.
Halmstad University, School of Business, Engineering and Science.
2019 (Swedish)Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
Abstract [sv]

Detta examensarbete omfattar ett maskintekniskt konstruktionsarbete som har bedrivits i samarbete med TEROC AB, i strävan att tillverka blad till små vindkraftverket med 1,2 m rotordiameter framförallt grundad på Piggotts konstruktion. Metoden som används i projektet baseras på Freddy Olssons böcker; Princip- & Primärkonstruktion, Piggotts konstruktion, Michael F. Ashby process samt International Electrotechnical Commission.   

Gruppen fick av TEROC AB i uppdrag att utreda alternativ tillverkning med tydliga kravspecifikationer, i hand togs olika förslag fram. Det första handlar om att bladen tillverkas i trämaterial, andra av plastkomposit och tredje förslag av aluminium. Förslag ett ansågs vara mest lämpligt alternativet att gå vidare med och utveckla ytterligare.

Gruppen utförde simulering i Catia V5 och design av prototypblad.   

Gruppen utförde hållfasthetsberäkningar på bladet, med insamlade fakta kunde gruppen säkerställa vindkraftbladets hållfasthet.   

Resultatet har blivit en CAD-modell ritsad i Cativa V5, Cad modellen har även använts till en FEM-analys av Hållfastheten, samt utvalt material med hjälp av Michael F. Ashby process.

Abstract [en]

This thesis includes a mechanical engineering work that has been conducted in collaboration with TEROC AB, in the endeavour to manufacture blades for small wind turbines with 1.2 m rotor diameter primarily based on Piggott's construction. The method used in the project is based on Freddy Olsson's books; Principal & Primary construction, Piggott's design, Michael F. Ashby process and International Electrotechnical Commission.

The group was commissioned by TEROC AB to review alternative manufacture with clear requirements specifications, various proposals were put forward. The first is that the blades are made of wood material, others of plastic composite and third proposal of aluminum.

Proposals were the most suitable option for continuing with and developing further. The group performed simulation in Catia V5 and design of prototype sheets.

The group performed strength calculations on the blade, with the collected facts the group could ensure the wind power blade's strength. The result has become a CAD model drawn in the Catia V5, the Cad model has also been used for a FEM analysis of strength theory, and selected material using the Michael F. Ashby process

Place, publisher, year, edition, pages
2019. , p. 54
Keywords [sv]
Piggots, Vindkraft, Blad, Maskinteknik
National Category
Mechanical Engineering
Identifiers
URN: urn:nbn:se:hh:diva-41227OAI: oai:DiVA.org:hh-41227DiVA, id: diva2:1377082
External cooperation
TEROC AB
Subject / course
Mechanical Engineering
Educational program
Mechanical Engineering, 180 credits
Presentation
2019-05-21, 09:45 (Swedish)
Supervisors
Examiners
Available from: 2019-12-11 Created: 2019-12-10 Last updated: 2019-12-11Bibliographically approved

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