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I think the eddy viscosity was proposed by Boussinesque. -- Vladimír Fuka 16:11, 10 April 2006 (UTC)
I thought l is the mixing length, NOT necessarily the distance to the wall. Prandtl proposed that l = k*y, where y is the distance to the wall. I believe this equation might be incorrect as is; it should not have the factor k in it. I'm using Mills: Heat Transfer, specifically the section on turbulence modeling (5.5 - equation 5.120).
Yes I confirm, the eddy viscosity was proposed by Boussinesque. l is the mixing length, NOT the distance to the wall. Prandtl proposed that l = kappa*y, where y is the distance to the wall and kappa=0,4. The equation in "wikipedia : turbulence modeling" IS INCORRECT; it should not have the factor kappa in it.
This article should probably by integrated with the section on turbulence models in the article on computational fluid dynamics. -- Ehdr 18:52, 16 March 2007 (UTC)
I think this article needs a lot of work because the mixing-length model is a mere "scratching of the surface", with regard to turbulence modelling. Discussion of the mixing-length model should be a springboard into the topics of models and rapid-distortion theory. See, for example, the comprensive list of topics at http://www.cfd-online.com/Wiki/Turbulence_modeling. I will try to work on this if I have time.
Also, I disagree with the previous comment. This is a stand-alone article whose contents should be briefly introduced in the CFD article (this is already well done). The reader should then be directed to this page. Onaraighl ( talk) 17:32, 15 August 2008 (UTC)
I would like to put the deletion of this article to a vote. I will provide justification for deletion, others in favor of keeping the article may provide justification for keeping it.
See Wikipedia:Deletion_policy for Wikipedia policy on deletion. Issue must be discussed for at least 7 days.
Discussion has been moved to Wikipedia:Articles_for_deletion/Turbulence_modeling
![]() | Find sources: Google ( books · news · scholar · free images · WP refs) · FENS · JSTOR · TWL |
![]() | This article was nominated for deletion on 6 November 2010. The result of the discussion was speedy keep. |
![]() | This article is rated Start-class on Wikipedia's
content assessment scale. It is of interest to the following WikiProjects: | |||||||||||||
|
I think the eddy viscosity was proposed by Boussinesque. -- Vladimír Fuka 16:11, 10 April 2006 (UTC)
I thought l is the mixing length, NOT necessarily the distance to the wall. Prandtl proposed that l = k*y, where y is the distance to the wall. I believe this equation might be incorrect as is; it should not have the factor k in it. I'm using Mills: Heat Transfer, specifically the section on turbulence modeling (5.5 - equation 5.120).
Yes I confirm, the eddy viscosity was proposed by Boussinesque. l is the mixing length, NOT the distance to the wall. Prandtl proposed that l = kappa*y, where y is the distance to the wall and kappa=0,4. The equation in "wikipedia : turbulence modeling" IS INCORRECT; it should not have the factor kappa in it.
This article should probably by integrated with the section on turbulence models in the article on computational fluid dynamics. -- Ehdr 18:52, 16 March 2007 (UTC)
I think this article needs a lot of work because the mixing-length model is a mere "scratching of the surface", with regard to turbulence modelling. Discussion of the mixing-length model should be a springboard into the topics of models and rapid-distortion theory. See, for example, the comprensive list of topics at http://www.cfd-online.com/Wiki/Turbulence_modeling. I will try to work on this if I have time.
Also, I disagree with the previous comment. This is a stand-alone article whose contents should be briefly introduced in the CFD article (this is already well done). The reader should then be directed to this page. Onaraighl ( talk) 17:32, 15 August 2008 (UTC)
I would like to put the deletion of this article to a vote. I will provide justification for deletion, others in favor of keeping the article may provide justification for keeping it.
See Wikipedia:Deletion_policy for Wikipedia policy on deletion. Issue must be discussed for at least 7 days.
Discussion has been moved to Wikipedia:Articles_for_deletion/Turbulence_modeling