Evidence of the k1-1 law in a high-Reynolds-number turbulent boundary layer
AuthorNickels, T. B.; Marusic, I.; Hafez, S.; Chong, M. S.
Source TitlePhysical Review Letters
PublisherThe American Physical Society
AffiliationEngineering: Department of Mechanical and Manufacturing Engineering
Document TypeJournal (Paginated)
CitationsNickels, T. B., Marusic, I., Hafez, S., & Chong, M. S. (2005). Evidence of the k1-1 law in a high-Reynolds-number turbulent boundary layer. Physical Review Letters, 95(7), (074501-1)-(074501-4).
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Copyright 2005 The American Physical Society. Publisher PDF version is restricted access in accordance with the American Physical Society's policy.
Dimensional analysis and overlap arguments lead to a prediction of a region in the streamwise velocityspectrum of wall-bounded turbulent flows in which the dependence on the streamwise wave number, k1, isgiven by k 1-1 . Some recent experiments have questioned the existence of this region. In this Letter,experimental spectra are presented which support the existence of the k 1-1 law in a high-Reynolds-numberboundary layer. This Letter presents the experimental results and discusses the theoretical and experimentalissues involved in examining the existence of the k 1-1 law and the reasons why it has proved so elusive.
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