Calibration of the preston probe for high reynolds number flows

M. V. Zagarola, D. R. Williams, A. J. Smits

Research output: Contribution to journalArticlepeer-review

4 Scopus citations

Abstract

Experiments were performed in order to calibrate Preston probes for high Reynolds number applications. The results extend previous calibrations to Reynolds numbers that are approximately 30 times larger. The new calibration is valid in the range 6.4 < x* < 11.3, that is, 4.3 < y* < 8.7 and 280 < D+ < 45 000. Within this range, the wall shear stress may be found to within better than ±0.8%, as long as inner layer scaling applies up to a wall distance equal to the probe diameter.

Original languageEnglish (US)
Pages (from-to)495-501
Number of pages7
JournalMeasurement Science and Technology
Volume12
Issue number4
DOIs
StatePublished - 2001

All Science Journal Classification (ASJC) codes

  • Instrumentation
  • Engineering (miscellaneous)
  • Applied Mathematics

Keywords

  • Calibration
  • Friction factor
  • High Reynolds number
  • Pipe flow
  • Preston tube
  • Skin friction

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