Molecular simulation of 3D turbulent channel flow
The diffusive information preservation (D-IP) method is utilized to simulate three-dimensional turbulent channel flow. The Knudsen number and Reynolds number based on the channel half-width and mean velocity are 5□10□5 and 2800, respectively. The averaged velocity profile and the higher order turbul...
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| creator | Zeng Dandan Zhong Fengquan Fan, Jing |
| description | The diffusive information preservation (D-IP) method is utilized to simulate three-dimensional turbulent channel flow. The Knudsen number and Reynolds number based on the channel half-width and mean velocity are 5□10□5 and 2800, respectively. The averaged velocity profile and the higher order turbulent statistics obtained by D-IP agree well with the DNS results given by Kim, Moin and Moser. Turbulent mixing length and turbulent viscosity obtained by the present results based on kinetic analogy are found to be comparable with the classic theory of Prandtl’s mixing length and Boussinesq eddy viscosity. |
| doi_str_mv | 10.1063/1.4902748 |
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The Knudsen number and Reynolds number based on the channel half-width and mean velocity are 5□10□5 and 2800, respectively. The averaged velocity profile and the higher order turbulent statistics obtained by D-IP agree well with the DNS results given by Kim, Moin and Moser. 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The Knudsen number and Reynolds number based on the channel half-width and mean velocity are 5□10□5 and 2800, respectively. The averaged velocity profile and the higher order turbulent statistics obtained by D-IP agree well with the DNS results given by Kim, Moin and Moser. Turbulent mixing length and turbulent viscosity obtained by the present results based on kinetic analogy are found to be comparable with the classic theory of Prandtl’s mixing length and Boussinesq eddy viscosity.</abstract><cop>Melville</cop><pub>American Institute of Physics</pub><doi>10.1063/1.4902748</doi><oa>free_for_read</oa></addata></record> |
| fulltext | fulltext |
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| ispartof | AIP Conference Proceedings, 2014, Vol.1628 (1), p.1355 |
| issn | 0094-243X 1551-7616 |
| language | eng |
| recordid | cdi_proquest_journals_2126499394 |
| source | AIP Journals Complete |
| subjects | Boussinesq equations Channel flow Eddy viscosity Fluid dynamics Fluid flow Reynolds number Three dimensional flow Turbulent flow Turbulent mixing Velocity distribution Viscosity |
| title | Molecular simulation of 3D turbulent channel flow |
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