Turbulent boundary layer response to the introduction of stable stratification

Van Buren, T.; Williams, O.; Smits, A. J.

doi:10.1017/jfm.2016.775

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Turbulent boundary layer response to the introduction of stable stratification

Published Date:

2017

Source:

Journal of Fluid Mechanics, 811, 569-581.

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Turbulent boundary layer response to the introduction of stable stratification

Details:

DOI:

http://dx.doi.org/10.1017/jfm.2016.775

Personal Authors:

Van Buren, T. ; Williams, O. ; Smits, A. J. ;

Description:

The response of an initially neutral rough-wall turbulent boundary layer to a change in wall temperature is investigated experimentally. The change causes a localized peak in stable stratification that diffuses and moves away from the wall with downstream distance. The streamwise and wall-normal components of turbulent velocity fluctuations are damped at similar rates, even though the stratification only directly impacts the wall-normal component. The Reynolds shear profiles reveal the growth of an internal layer that scales approximately with the bulk Brunt–Väisälä frequency.

Document Type:

Journal Article

Collection(s):

Office of Oceanic and Atmospheric Research (OAR)

Funding:

NA14OAR4320106

Main Document Checksum:

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