Constant temperature hot-wire anemometer practice in supersonic flows - Part 2: The inclined wire

Alexander Smits, K. C. Muck

Research output: Contribution to journalArticle

17 Scopus citations

Abstract

The performance of a constant-temperature inclined hot-wire in a supersonic flow is critically examined. It is shown that empirical heat transfer correlations commonly used for calibrating hot wires in subsonic flow cannot be used when the flow is supersonic. Calibration and measurement procedures appropriate to supersonic flow are suggested, together with the possible limits on their validity. The instrument was used to measure the mass-weighted Reynolds shear stress {Mathematical expression} in a zero pressure gradient Mach 2.9 turbulent boundary layer. A comparison with the available data suggests good agreement, as long as the normal Mach number remains supersonic under all conditions.

Original languageEnglish (US)
Pages (from-to)33-41
Number of pages9
JournalExperiments in Fluids
Volume2
Issue number1
DOIs
StatePublished - Mar 1 1984

All Science Journal Classification (ASJC) codes

  • Mechanics of Materials
  • Mechanical Engineering
  • Computational Mechanics
  • Fluid Flow and Transfer Processes

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