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Evaluation of the performance characteristics of a thermal transient anemometer

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Abstract

This paper describes and evaluates a thermal transient anemometer, a novel fluid flow (mass flux) measuring device having a thermocouple probe which is utilized to measure the change in temperature over a period of time to provide a measure of fluid flow velocity. The thermocouple probe (sensor) is periodically heated by the application of an electrical pulse and its rate of cooling between pulses is related to the local mean flow velocity. The theory of operation, device description, comparison with other similar fluid flow devices, and laboratory tests including measurements under different turbulence levels and different fluid temperatures are presented and discussed.

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References

  • Boegli, J. C. et al. 1985: Immersion thermal exchange parameter determination. U.S. Patent #4,501,145 col. 3 line 25

  • Calvet, P. J. F. 1970: Apparatus for measuring a physical quantity by the use of pulsed energy. U.S. Patent # 3,498,128 col. 9 & 10, Eqs. (1)-(6)

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Authors and Affiliations

  1. Argonne National Laboratory, 60439, Argonne, IL, USA

    J. L. Bailey & J. Vresk

  2. Illinois Institute of Technology, 60616, Chicago, IL, USA

    M. Acharya

Authors
  1. J. L. Bailey
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  2. J. Vresk
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  3. M. Acharya
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Bailey, J.L., Vresk, J. & Acharya, M. Evaluation of the performance characteristics of a thermal transient anemometer. Experiments in Fluids 15, 10–16 (1993). https://doi.org/10.1007/BF00195590

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  • DOI: https://doi.org/10.1007/BF00195590

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