Flow-rate instability as a basic characteristic of test equipment

T. Valla, P. D. Johnson, Z. Yusof, B. Wells, Q. Li, S. M. Loureiro, R. J. Cava, M. Mikami, Y. Mori, M. Yoshimura, T. Sasaki

Research output: Contribution to journalArticlepeer-review


It is demonstrated that there is a need to standardize the numerical characteristics of the flow instability in hydraulic test equipments. There is a discussion of using the standard deviation and the mean-square two-sample deviation for these purposes. Calculations are presented from experimental data.

Original languageEnglish (US)
Pages (from-to)1192-1196
Number of pages5
JournalMeasurement Techniques
Issue number11
StatePublished - 2002

All Science Journal Classification (ASJC) codes

  • General Engineering
  • Instrumentation
  • Engineering (miscellaneous)
  • Applied Mathematics


  • Flow instability
  • Flowmeter
  • Standard deviation
  • Test equipment
  • Two-sample standard deviation


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