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Modelling and Manufacturing of a Composite Bi-Stable Boom for Small Satellites
KTH, School of Engineering Sciences (SCI), Mechanics. (Strukturmekanik, Structural Mechanics)
2014 (English)Independent thesis Advanced level (degree of Master (Two Years)), 20 credits / 30 HE creditsStudent thesis
Abstract [en]

Thin cylindrical shell structures may provide an interesting breakthrough for deployable  structures for small satellites. Its bi-stable behaviour allows two different stable configurations: coiled and deployed. Several projects worldwide are using tape springs for satellites and for the SEAM project, at KTH, 1 meter long tape springs will be used for booms. This thesis investigates the energy stored inside the tape spring according to its layup configuration and the different fiber orientations. With a thickness around 0.3 mm and a length of one meter, the booms will deploy sensors with a quite low deployment speed in order to minimize the shock load during the deployment phase. A Matlab code is written to compare the stored strain energy. Another aim is to find an adequate layup all along the tape spring, it means change the fiber orientation to decrease the energy released, but also generating main manufacturing issue.

Place, publisher, year, edition, pages
2014. , 44 p.
Keyword [en]
bi-stable, deployable boom, composite materials
National Category
Applied Mechanics Aerospace Engineering
Identifiers
URN: urn:nbn:se:kth:diva-168323OAI: oai:DiVA.org:kth-168323DiVA: diva2:815817
Educational program
Master of Science in Engineering - Vehicle Engineering
Supervisors
Examiners
Available from: 2015-06-02 Created: 2015-06-02 Last updated: 2015-06-02Bibliographically approved

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CiteExportLink to record
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Citation style
  • apa
  • ieee
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  • vancouver
  • Other style
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Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
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  • Other locale
More languages
Output format
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