Static pressure correction in high Reynolds number fully developed turbulent pipe flow

B. J. McKeon, A. J. Smits

Research output: Contribution to journalArticle

46 Scopus citations

Abstract

Measurements are reported of the error in wall static pressure reading due to the finite size of the pressure tapping. The experiments were performed in incompressible turbulent pipe flow over a wide range of Reynolds numbers, and the results indicate that the correction term (as a fraction of the wall stress) continues to increase as the hole Reynolds number d+ = uτd/v increases, contrary to previous studies. For small holes relative to the pipe diameter the results follow a single curve, but for larger holes the data diverge from this universal behaviour at a point that depends on the ratio of the hole diameter to the pipe diameter.

Original languageEnglish (US)
Pages (from-to)1608-1614
Number of pages7
JournalMeasurement Science and Technology
Volume13
Issue number10
DOIs
StatePublished - Oct 2002

All Science Journal Classification (ASJC) codes

  • Instrumentation
  • Engineering (miscellaneous)
  • Applied Mathematics

Keywords

  • Pressure tapping
  • Static pressure

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