Determination of the Six Turbulent Reynolds' Stresses by the Hot Wire Method for Arbitrary Intensity and Geometry with Special Application to Axisymmetric Flow

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Description

A relationship is derived the mean square fluctuating current of a hot wire anemometer and the sic turbulent Reynolds stresses in the stream-coordinate system without employing the usual low turbulent intensity approximation. The relatively simple result is a consequence of assuming proportionality between the wire current reading and the perpendicular velocity component instead of the non-linear dependence required by King's law. The assumption is valid for instruments equipped with the proper linearizing circuitry. The stream-coordinate Reynolds' stresses are then related to the cylindrical polar Reynolds stresses.

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26 pages : illustrations

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Wichner, R. P. & Peebles, F. N. February 21, 1961.

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  • Main Title: Determination of the Six Turbulent Reynolds' Stresses by the Hot Wire Method for Arbitrary Intensity and Geometry with Special Application to Axisymmetric Flow
  • Series Title: Oak Ridge National Laboratory Reports
  • Added Title: Oak Ridge National Laboratory Report CF-61-2-84

Description

A relationship is derived the mean square fluctuating current of a hot wire anemometer and the sic turbulent Reynolds stresses in the stream-coordinate system without employing the usual low turbulent intensity approximation. The relatively simple result is a consequence of assuming proportionality between the wire current reading and the perpendicular velocity component instead of the non-linear dependence required by King's law. The assumption is valid for instruments equipped with the proper linearizing circuitry. The stream-coordinate Reynolds' stresses are then related to the cylindrical polar Reynolds stresses.

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26 pages : illustrations

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Digitized from microopaque cards (1).

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  • Report No.: CF-61-2-84
  • SuDoc Number: Y 3.At 7:22/CF-61-2-84
  • Accession or Local Control No: metadc1241170
  • Archival Resource Key: ark:/67531/metadc1241170

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  • February 21, 1961

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  • July 9, 2023, 5:51 p.m.

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  • May 1, 2024, 12:22 p.m.

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Wichner, R. P. & Peebles, F. N. Determination of the Six Turbulent Reynolds' Stresses by the Hot Wire Method for Arbitrary Intensity and Geometry with Special Application to Axisymmetric Flow, report, February 21, 1961; Washington D.C.. (https://digital.library.unt.edu/ark:/67531/metadc1241170/: accessed December 16, 2025), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.

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