Effects of axial heat conduction and material properties on the performance characteristics of a thermal transient anemometer probe

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This paper describes an investigation of the axial heat transfer within a thermal transient anemometer probe. A previous study, evaluated the performance characteristics of a thermal transient anemometer system. The study revealed discrepancies between a simplified theory and test results in the development of a universal calibration curve for probes of varying diameters. Although the cause of these discrepancies were left uncertain due to an inadequate theoretical model, the study suggested that axial conduction within the probe could account for the deviations. In this paper, computer simulations are used to further investigate axial heat conduction within the probes. The effect ... continued below

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7 p.

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Bailey, J.L.; Page, R.J. & Acharya, M. July 1, 1995.

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This article is part of the collection entitled: Office of Scientific & Technical Information Technical Reports and was provided by UNT Libraries Government Documents Department to Digital Library, a digital repository hosted by the UNT Libraries. It has been viewed 27 times . More information about this article can be viewed below.

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  • Bailey, J.L.
  • Page, R.J. Argonne National Lab., IL (United States)
  • Acharya, M. Illinois Inst. of Technology, Chicago, IL (United States). Fluid Dynamics Research Center

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Description

This paper describes an investigation of the axial heat transfer within a thermal transient anemometer probe. A previous study, evaluated the performance characteristics of a thermal transient anemometer system. The study revealed discrepancies between a simplified theory and test results in the development of a universal calibration curve for probes of varying diameters. Although the cause of these discrepancies were left uncertain due to an inadequate theoretical model, the study suggested that axial conduction within the probe could account for the deviations. In this paper, computer simulations are used to further investigate axial heat conduction within the probes. The effect on calibration of axial variations of material properties along the probes is also discussed. Results from the computer simulation are used in lieu of the theoretical model used in the previous study to develop a satisfactory universal calibration curve. The computer simulations provide evidence that there is significant axial heat conduction within the probes, and that this was the cause of the discrepancies noted in the previous study.

Physical Description

7 p.

Notes

OSTI as DE95014237

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  • Joint American Society of Mechanical Engineers (ASME)/Japan Society of Mechanical Engineers (JSME) pressure vessels and piping conference, Honolulu, HI (United States), 23-27 Jul 1995

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  • Other: DE95014237
  • Report No.: ANL/RE/CP--85777
  • Report No.: CONF-950740--61
  • Grant Number: W-31109-ENG-38
  • Office of Scientific & Technical Information Report Number: 91924
  • Archival Resource Key: ark:/67531/metadc792610

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

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  • July 1, 1995

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  • Dec. 19, 2015, 7:14 p.m.

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  • Jan. 6, 2016, 2:47 p.m.

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Bailey, J.L.; Page, R.J. & Acharya, M. Effects of axial heat conduction and material properties on the performance characteristics of a thermal transient anemometer probe, article, July 1, 1995; Illinois. (digital.library.unt.edu/ark:/67531/metadc792610/: accessed October 22, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.