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 and the boundary layer displacement thickness ) providing the parameter relevant for obtaining similarity between all the situations is displayed.
Accepted:
Published online:
Fabien Anselmet 1; Fabien Ternat 1, 2; Muriel Amielh 1; Olivier Boiron 1; Patrick Boyer 2; Laurence Pietri 1
@article{CRMECA_2009__337_8_573_0, author = {Fabien Anselmet and Fabien Ternat and Muriel Amielh and Olivier Boiron and Patrick Boyer and Laurence Pietri}, title = {Axial development of the mean flow in the entrance region of turbulent pipe and duct flows}, journal = {Comptes Rendus. M\'ecanique}, pages = {573--584}, publisher = {Elsevier}, volume = {337}, number = {8}, year = {2009}, doi = {10.1016/j.crme.2009.07.001}, language = {en}, }
TY - JOUR AU - Fabien Anselmet AU - Fabien Ternat AU - Muriel Amielh AU - Olivier Boiron AU - Patrick Boyer AU - Laurence Pietri TI - Axial development of the mean flow in the entrance region of turbulent pipe and duct flows JO - Comptes Rendus. Mécanique PY - 2009 SP - 573 EP - 584 VL - 337 IS - 8 PB - Elsevier DO - 10.1016/j.crme.2009.07.001 LA - en ID - CRMECA_2009__337_8_573_0 ER -
%0 Journal Article %A Fabien Anselmet %A Fabien Ternat %A Muriel Amielh %A Olivier Boiron %A Patrick Boyer %A Laurence Pietri %T Axial development of the mean flow in the entrance region of turbulent pipe and duct flows %J Comptes Rendus. Mécanique %D 2009 %P 573-584 %V 337 %N 8 %I Elsevier %R 10.1016/j.crme.2009.07.001 %G en %F CRMECA_2009__337_8_573_0
Fabien Anselmet; Fabien Ternat; Muriel Amielh; Olivier Boiron; Patrick Boyer; Laurence Pietri. Axial development of the mean flow in the entrance region of turbulent pipe and duct flows. Comptes Rendus. Mécanique, Volume 337 (2009) no. 8, pp. 573-584. doi : 10.1016/j.crme.2009.07.001. https://comptes-rendus.academie-sciences.fr/mecanique/articles/10.1016/j.crme.2009.07.001/
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