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Tri-stress accelerated life test for cylinders

  • Guohui Han*
  • , Yongling Fu
  • *Corresponding author for this work
  • Beihang University

Research output: Contribution to journalConference articlepeer-review

Abstract

A life-stress model for cylinders was built based on wear fault mechanism, and the test scheme was optimized using temperature, pressure and velocity as acceleration stresses. An accelerated life test for cylinders was designed and implemented. Life eigenvalues at different stress levels were acquired and analyzed. Undetermined parameters of acceleration model were estimated, and life indices under normal stress condition were extrapolated and compared with those from normal stress test. The feasibility of the optimization scheme and the correctness of the acceleration model were verified. Compared with twin-stress accelerated life test for cylinders, the test period was further shortened.

Original languageEnglish
Pages (from-to)554-563
Number of pages10
JournalProcedia Engineering
Volume16
DOIs
StatePublished - 2011
EventInternational Workshop on Automobile, Power and Energy Engineering, APEE 2011 - Wuhan, China
Duration: 15 Apr 201117 Apr 2011

Keywords

  • Accelerated life test
  • Accelerated model
  • Cylinder
  • Optimism design
  • Weibull distribution

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