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Correlating data: examples from turbulent wall layers

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Abstract

Flow fields in fluid mechanics often contain regions where different physical events occur. The relative size of the regions changes as a parameter is varied. Correlating field data, either physical or DNS calculation experiments, in these situations can be aided by using ideas from matched asymptotic expansions from applied mathematics. A second situation is when two slightly different processes occur in the same spatial region. For this case, a two-term asymptotic expansion is needed. This article discusses how composite expansions and the common part matching behavior are useful in correlating data.

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Authors and Affiliations

  1. J. H. Herring Centennial Professor Emeritus, Mechanical Engineering Department, University of Texas, Austin, TX, USA

    Ronald L. Panton

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  1. Ronald L. Panton
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Correspondence to Ronald L. Panton.

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Panton, R.L. Correlating data: examples from turbulent wall layers. Exp Fluids 49, 279–289 (2010). https://doi.org/10.1007/s00348-010-0861-9

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  • DOI: https://doi.org/10.1007/s00348-010-0861-9

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