A correction term for the asymptotic scaling of drag in flat-plate turbulent boundary layers
Nils T. Basse
TL;DR
This paper proposes a correction term to an existing asymptotic scaling law for drag in flat-plate turbulent boundary layers, based on the logarithmic law for mean velocity, to improve its accuracy.
Contribution
It introduces a correction term derived from the logarithmic velocity profile to refine the asymptotic drag scaling law for flat-plate turbulent boundary layers.
Findings
The correction term improves the fit of the scaling law to experimental data.
The amended law better predicts drag in turbulent boundary layers.
The approach integrates classical velocity profiles into asymptotic scaling analysis.
Abstract
An asymptotic scaling law for drag in flat-plate turbulent boundary layers has been proposed [Dixit SA, Gupta A, Choudhary H, Singh AK and Prabhakaran T. Asymptotic scaling of drag in flat-plate turbulent boundary layers. Phys. Fluids Vol. 32, 041702 (2020)]. In this paper we suggest to amend the scaling law by using a correction term derived from the logarithmic law for the mean velocity in the streamwise direction.
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Taxonomy
TopicsFluid Dynamics and Turbulent Flows · Wind and Air Flow Studies · Particle Dynamics in Fluid Flows