NDLI: Contribution towards a Reynolds-stress closure for low-Reynolds-number turbulence

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Contribution towards a Reynolds-stress closure for low-Reynolds-number turbulence

Content Provider	Scilit
Author	Hanjalić, K. Launder, B. E.
Copyright Year	1976
Description	The problem of closing the Reynolds-stress and dissipation-rate equations at low Reynolds numbers is considered, specific forms being suggested for the direct effects of viscosity on the various transport processes. By noting that the correlation coefficient$\overline{uv^2}/\overline{u^2}\overline{v^2} $is nearly constant over a considerable portion of the low-Reynolds-number region adjacent to a wall the closure is simplified to one requiring the solution of approximated transport equations for only the turbulent shear stress, the turbulent kinetic energy and the energy dissipation rate. Numerical solutions are presented for turbulent channel flow and sink flows at low Reynolds number as well as a case of a severely accelerated boundary layer in which the turbulent shear stress becomes negligible compared with the viscous stresses. Agreement with experiment is generally encouraging.
Related Links	https://www.cambridge.org/core/services/aop-cambridge-core/content/view/A7AA8E800412D579A4128BE6644E8DDA/S0022112076001961a.pdf/div-class-title-contribution-towards-a-reynolds-stress-closure-for-low-reynolds-number-turbulence-div.pdf
Ending Page	610
Page Count	18
Starting Page	593
ISSN	00221120
e-ISSN	14697645
DOI	10.1017/s0022112076001961
Journal	Journal of Fluid Mechanics
Issue Number	4
Volume Number	74
Language	English
Publisher	Cambridge University Press (CUP)
Publisher Date	1976-04-22
Access Restriction	Open
Subject Keyword	Journal of Fluid Mechanics Fluids and Plasmas Physics Low Reynolds Number
Content Type	Text
Resource Type	Article
Subject	Applied Mathematics Mechanics of Materials Condensed Matter Physics Mechanical Engineering

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