Authors
Jack GM Eggels, Friedemann Unger, MH Weiss, Jerry Westerweel, Ronald J Adrian, Rainer Friedrich, Frans TM Nieuwstadt
Publication date
1994/6
Journal
Journal of Fluid Mechanics
Volume
268
Pages
175-210
Publisher
Cambridge University Press
Description
Direct numerical simulations (DNS) and experiments are carried out to study fully developed turbulent pipe flow at Reynolds number Rec ≈ 7000 based on centreline velocity and pipe diameter. The agreement between numerical and experimental results is excellent for the lower-order statistics (mean flow and turbulence intensities) and reasonably good for the higher-order statistics (skewness and flatness factors). To investigate the differences between fully developed turbulent flow in an axisymmetric pipe and a plane channel geometry, the present DNS results are compared to those obtained from a channel flow simulation. Beside the mean flow properties and turbulence statistics up to fourth order, the energy budgets of the Reynolds-stress components are computed and compared. The present results show that the mean velocity profile in the pipe fails to conform to the accepted law of the wall, in contrast to …
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Scholar articles
Fully developed turbulent pipe flow: a comparison between direct numerical simulation and experiment
JGM Eggels, F Unger, MH Weiss, J Westerweel… - Journal of Fluid Mechanics, 1994