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How to estimate the low wavenumber turbulence frequency spectrum

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Abstract

 An estimate of the low wavenumber component of surface turbulence shear stress as a function of frequency has been obtained through measurements of the correlations of the longitudinal component of turbulence velocity made close to the surface at y +=7. The data were acquired in a fully-developed turbulent pipe flow at a Reynolds number (based on centreline velocity and pipe diameter) of 268000, using two single hot-wire anemometer probes. A novel data analysis procedure has been introduced to establish the accuracy limits of the low wavenumber turbulence energy estimate for frequencies in the similarity regime of wall turbulence and the results are compared with other measurement techniques.

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Authors and Affiliations

  1. Division of Applied Sciences, Harvard University, Boston Massachusetts 02138, USA, , , , , , US

    R. E. Kronauer

  2. Department of Mechanical Engineering, University of Queensland, Brisbane 4072, Australia, , , , , , AU

    P. G. Hollis & K. J. Bullock

  3. School of Aerospace and Mechanical Engineering, Australian Defence Force Academy, Canberra 2600, Australia, , , , , , AU

    J. C. S. Lai

Authors
  1. R. E. Kronauer
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  2. P. G. Hollis
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  3. K. J. Bullock
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  4. J. C. S. Lai
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Received: 18 November 1993/Accepted: 21 April 1997

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Kronauer, R., Hollis, P., Bullock, K. et al. How to estimate the low wavenumber turbulence frequency spectrum. Experiments in Fluids 23, 353–360 (1997). https://doi.org/10.1007/s003480050122

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  • DOI: https://doi.org/10.1007/s003480050122

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