Temperature corrections for constant temperature and constant current hot-wire anemometers

Marcus Nils Hultmark, Alexander Smits

Research output: Contribution to journalArticle

48 Scopus citations

Abstract

Changes in the ambient fluid temperature change the calibration curve for velocity measurements taken using hot-wire anemometry. New correction methods are proposed to account for the effects of relatively large temperature changes in the heat-transfer process and on the fluid properties. The corrections do not assume any particular heat-transfer correlation, and they do not require multiple calibrations over a range of temperatures. The corrections are derived for the constant temperature and constant current modes of operation.

Original languageEnglish (US)
Article number105404
JournalMeasurement Science and Technology
Volume21
Issue number10
DOIs
StatePublished - Jan 1 2010

All Science Journal Classification (ASJC) codes

  • Instrumentation
  • Engineering (miscellaneous)
  • Applied Mathematics

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