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Video analysis of acoustic emissions of the singing toy magnets
Linnaeus University, Faculty of Technology, Department of Physics and Electrical Engineering.
Linnaeus University, Faculty of Technology, Department of Physics and Electrical Engineering.
2016 (English)Independent thesis Advanced level (degree of Master (One Year)), 20 credits / 30 HE creditsStudent thesis
Abstract [en]

Two magnets with snake egg forms are let to collide with each other. During this process, a very specificchirping sound occurs. The magnets also show, at small separation distances, a strong magnetic attraction force.To investigate how the magnets move to produce this chirping sound, the sound and collision process is capturedwith a high sample audio recorder and a high-speed camera. The attraction force between the magnets is alsoapproximated from the same high-speed camera recordings and compared with analog measurements. Finallythe magnetic field strength is measured between the magnets.

Place, publisher, year, edition, pages
2016.
Identifiers
URN: urn:nbn:se:lnu:diva-59930OAI: oai:DiVA.org:lnu-59930DiVA, id: diva2:1066540
Subject / course
Electrical Engineering; Physics
Supervisors
Examiners
Available from: 2017-01-18 Created: 2017-01-18 Last updated: 2017-01-18Bibliographically approved

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fulltext(788 kB)32 downloads
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2a0f50502675c2e969b47f0edc86e982a5e5a9af4c1162f68eb0b08549104455e8c2967c16d0cabcc5d9e7e0acd4a1367611efa06e4cadab3b111a29f86cef39
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CiteExportLink to record
Permanent link

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Cite
Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf