A Note on the Intermediate Region in Turbulent Boundary Layers
G. I. Barenblatt, A. J. Chorin, V. M. Prostokishin
TL;DR
This paper corrects the processing of experimental velocity profile data in turbulent boundary layers, confirming Reynolds-number-dependent scaling and challenging previous claims of Reynolds-number independence in the intermediate region.
Contribution
It identifies errors in previous data processing and demonstrates that corrected data support Reynolds-number-dependent scaling laws.
Findings
Data processing errors were identified in previous velocity profile analysis.
Corrected data support Reynolds-number-dependent scaling laws.
Contradicts earlier claims of Reynolds-number independence in the intermediate region.
Abstract
We demonstrate that the processing of the experimental data for the average velocity profiles obtained by J. M. \"Osterlund (www.mesh.kth.se/jens/zpg/) presented in [1] was incorrect. Properly processed these data lead to the opposite conclusion: they confirm the Reynolds-number-dependent scaling law and disprove the conclusion that the flow in the intermediate (`overlap') region is Reynolds-number-independent.
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