Turbulence Intensity Scaling: A Fugue

We study streamwise turbulence intensity definitions using smooth- and rough-wall pipe flow measurements made in the Princeton Superpipe. Scaling of turbulence intensity with the bulk (and friction) Reynolds number is provided for the definitions. The turbulence intensity scales with the friction fa...

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Main Author: Nils T. Basse
Format: Article
Language:English
Published: MDPI AG 2019-10-01
Series:Fluids
Subjects:
Online Access:https://www.mdpi.com/2311-5521/4/4/180
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author Nils T. Basse
author_facet Nils T. Basse
author_sort Nils T. Basse
collection DOAJ
description We study streamwise turbulence intensity definitions using smooth- and rough-wall pipe flow measurements made in the Princeton Superpipe. Scaling of turbulence intensity with the bulk (and friction) Reynolds number is provided for the definitions. The turbulence intensity scales with the friction factor for both smooth- and rough-wall pipe flow. Turbulence intensity definitions providing the best description of the measurements are identified. A procedure to calculate the turbulence intensity based on the bulk Reynolds number (and the sand-grain roughness for rough-wall pipe flow) is outlined.
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spelling doaj.art-f959d0f902d04f10be8d00f655446b852022-12-22T03:00:28ZengMDPI AGFluids2311-55212019-10-014418010.3390/fluids4040180fluids4040180Turbulence Intensity Scaling: A FugueNils T. Basse0Elsas väg 23, 423 38 Torslanda, SwedenWe study streamwise turbulence intensity definitions using smooth- and rough-wall pipe flow measurements made in the Princeton Superpipe. Scaling of turbulence intensity with the bulk (and friction) Reynolds number is provided for the definitions. The turbulence intensity scales with the friction factor for both smooth- and rough-wall pipe flow. Turbulence intensity definitions providing the best description of the measurements are identified. A procedure to calculate the turbulence intensity based on the bulk Reynolds number (and the sand-grain roughness for rough-wall pipe flow) is outlined.https://www.mdpi.com/2311-5521/4/4/180streamwise turbulence intensity definitionsprinceton superpipe measurementssmooth- and rough-wall pipe flowfriction factorcomputational fluid dynamics boundary conditions
spellingShingle Nils T. Basse
Turbulence Intensity Scaling: A Fugue
Fluids
streamwise turbulence intensity definitions
princeton superpipe measurements
smooth- and rough-wall pipe flow
friction factor
computational fluid dynamics boundary conditions
title Turbulence Intensity Scaling: A Fugue
title_full Turbulence Intensity Scaling: A Fugue
title_fullStr Turbulence Intensity Scaling: A Fugue
title_full_unstemmed Turbulence Intensity Scaling: A Fugue
title_short Turbulence Intensity Scaling: A Fugue
title_sort turbulence intensity scaling a fugue
topic streamwise turbulence intensity definitions
princeton superpipe measurements
smooth- and rough-wall pipe flow
friction factor
computational fluid dynamics boundary conditions
url https://www.mdpi.com/2311-5521/4/4/180
work_keys_str_mv AT nilstbasse turbulenceintensityscalingafugue