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Axial Development of the Mean Flow in the Entrance Region of Turbulent Pipe and Duct Flows by Fabien Anselmet; Fabien Ternat; Muriel Amielh; Olivier Boiron; Patrick Boyer; Laurence Pietri is a Engineering article available to read on EtoBox.
What is Axial Development of the Mean Flow in the Entrance Region of Turbulent Pipe and Duct Flows about?
The present Note reports a detailed analysis of some of the specific flow properties which are associated with the development region of circular pipes and ducts of square or rectangular cross-sections in turbulent conditions. Indeed, there are no data presently available to determine a priori the acceleration effect which results from the progressive thickening of the boundary layers on the pipe walls. In addition, published results concerning the longitudinal extension of this development region are rather confusing. Through our study, on the one hand, the litigious points are clarified, and, on the other hand, the pertinent grouping of variables (which include the hydraulic diameter D h and the boundary layer displacement thickness δ 1 ) providing the parameter relevant for obtaining similarity between all the situations is displayed.
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It is typically read by researchers, students, and practitioners in Engineering.
- Author
- Fabien Anselmet; Fabien Ternat; Muriel Amielh; Olivier Boiron; Patrick Boyer; Laurence Pietri
- Publisher
- Elsevier Science; Elsevier ; Elsevier Masson; Elsevier BV; Cellule MathDoc/CEDRAM (ISSN 1631-0721)
- Published
- 2009
- Language
- EN
- Field
- Engineering (Physical Sciences)