`One-point' calibration of a glue-on polymer shear stress sensor

Chong H. Park, Kevin D. Cole

Research output: Contribution to journalConference articlepeer-review


A new theory for hot-film shear stress sensors is presented along with supporting experimental results for steady air flow. The sensor has a thick metal film (e = 6μm) on a polymer substrate that is glued to a surface for use in a fluid flow. Numerical calculations are carried out with analysis for three bodies (air, hot film, and polymer substrate). The theory presented in this paper applies to for thin metal or thick metal films. Experimental results are reported for sensors glued on plexiglass and steel surfaces in steady flows. A `one-point calibration' is found by combining a single experimental measurement with the theoretical heat transfer calculation. For the sensor glued on plexiglass the three-body theory combined with `one-point calibration' predicts the flow behavior of the sensor within 7.6%, and for the sensor glued on steel the theory predicts the flow behavior within 8.0%.

Original languageEnglish (US)
JournalAmerican Society of Mechanical Engineers (Paper)
StatePublished - 1996
EventProceedings of the 1996 ASME International Mechanical Engineering Congress & Exhibition - Atlanta, GA, USA
Duration: Nov 17 1996Nov 22 1996

ASJC Scopus subject areas

  • Mechanical Engineering


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