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Vibration Durability Testing and Design Validation Based on Narrow Frequency Band
Blekinge Institute of Technology, School of Engineering.
2011 (English)Independent thesis Advanced level (degree of Master (Two Years))Student thesis
Abstract [en]

Existing vibration durability testing methods for a component is conservative in verifying the fatigue strength of a component. They more of typify the damaging potential of the real world vibration, instead of the component under test. This thesis proposes a new vibration durability testing method that works by giving emphasis to the dynamic behaviour of the component. From several tests carried out at different narrow frequency bands, it develops a diagram that shows the maximum limit of a component towards vibration. Design verification will then be made by comparing the result with the real world vibration. To this aim, a test has been carried out on a truck alternator at four different frequency regions and a vibration profile has been extracted by combining them together. Then, comparing the result with the real world vibration profile, the design of the alternator has been verified. Accordingly, the alternator shows less strength at low frequency regions.

Place, publisher, year, edition, pages
2011. , 76 p.
Keyword [en]
Vibration testing, Narrow frequency band, Palmgren Miners rule, Rain flow cycle counting, S-N curve, Fatigue
National Category
Mechanical Engineering
Identifiers
URN: urn:nbn:se:bth-5951Local ID: oai:bth.se:arkivex49D93B86A5827488C12579380079FB68OAI: oai:DiVA.org:bth-5951DiVA: diva2:833367
Uppsok
Technology
Supervisors
Available from: 2015-04-22 Created: 2011-10-30 Last updated: 2015-06-30Bibliographically approved

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CiteExportLink to record
Permanent link

Direct link
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