How flow becomes turbulent

Sub-harmonic resonance in zero pressure gradient three-dimensional boundary layer flow occurs in the classical N-type pathway of turbulence transition.Three-dimensionality incurs exorbitant computational demands on the numerical simulations. Imposition of a spectral method and a non-uniform gr...

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Main Authors:	Chen, Jim C., Chen, Weijia
Other Authors:	School of Civil and Environmental Engineering
Format:	Article
Language:	English
Published:	2014
Subjects:	DRNTU::Engineering::Civil engineering
Online Access:	https://hdl.handle.net/10356/106124 http://hdl.handle.net/10220/23964
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Institution:	Nanyang Technological University
Language:	English

id	sg-ntu-dr.10356-106124
record_format	dspace
spelling	sg-ntu-dr.10356-1061242019-12-06T22:05:02Z How flow becomes turbulent Chen, Jim C. Chen, Weijia School of Civil and Environmental Engineering DRNTU::Engineering::Civil engineering Sub-harmonic resonance in zero pressure gradient three-dimensional boundary layer flow occurs in the classical N-type pathway of turbulence transition.Three-dimensionality incurs exorbitant computational demands on the numerical simulations. Imposition of a spectral method and a non-uniform grid countervails the impractical computational demands.Eigenvalue analysis ascertains ranges of stability of the numerical method. Validation of the numerical method versus the three-dimensional OS equation avers confidence in the accuracy of the model. Numerical realizations of the generation, amplification, and interaction of two- and three-dimensional sub-harmonic waves agree qualitatively with classical experiments. Published version 2014-10-07T02:18:06Z 2019-12-06T22:05:02Z 2014-10-07T02:18:06Z 2019-12-06T22:05:02Z 2012 2012 Journal Article Chen, J. C., & Chen, W. (2012). How flow becomes turbulent. IAENG International journal of applied mathematics, 42(2), 99-110. 1992-9978 https://hdl.handle.net/10356/106124 http://hdl.handle.net/10220/23964 en IAENG International journal of applied mathematics © 2012 IAENG International Journal of Applied Mathematics. This paper was published in IAENG International Journal of Applied Mathematics and is made available as an electronic reprint (preprint) with permission of IAENG International Journal of Applied Mathematics. One print or electronic copy may be made for personal use only. Systematic or multiple reproduction, distribution to multiple locations via electronic or other means, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper is prohibited and is subject to penalties under law. 12 p. application/pdf
institution	Nanyang Technological University
building	NTU Library
country	Singapore
collection	DR-NTU
language	English
topic	DRNTU::Engineering::Civil engineering
spellingShingle	DRNTU::Engineering::Civil engineering Chen, Jim C. Chen, Weijia How flow becomes turbulent
description	Sub-harmonic resonance in zero pressure gradient three-dimensional boundary layer flow occurs in the classical N-type pathway of turbulence transition.Three-dimensionality incurs exorbitant computational demands on the numerical simulations. Imposition of a spectral method and a non-uniform grid countervails the impractical computational demands.Eigenvalue analysis ascertains ranges of stability of the numerical method. Validation of the numerical method versus the three-dimensional OS equation avers confidence in the accuracy of the model. Numerical realizations of the generation, amplification, and interaction of two- and three-dimensional sub-harmonic waves agree qualitatively with classical experiments.
author2	School of Civil and Environmental Engineering
author_facet	School of Civil and Environmental Engineering Chen, Jim C. Chen, Weijia
format	Article
author	Chen, Jim C. Chen, Weijia
author_sort	Chen, Jim C.
title	How flow becomes turbulent
title_short	How flow becomes turbulent
title_full	How flow becomes turbulent
title_fullStr	How flow becomes turbulent
title_full_unstemmed	How flow becomes turbulent
title_sort	how flow becomes turbulent
publishDate	2014
url	https://hdl.handle.net/10356/106124 http://hdl.handle.net/10220/23964
_version_	1681035910347489280

How flow becomes turbulent

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