Art

J-GLOBAL ID：201702239928350772   Reference number：17A1814508

Influence of length of polymer aggregation on turbulent friction drag reduction effect

乱流摩擦抗力低減効果に対する高分子凝集の長さの影響

Author (6)： FUJIMURA Masanari (Department of Mechanical Systems Engineering, Tokyo University of Agriculture and Technology) ,  IWAMOTO Kaoru (Department of Mechanical Systems Engineering, Tokyo University of Agriculture and Technology) ,  MURATA Akira (Department of Mechanical Systems Engineering, Tokyo University of Agriculture and Technology) ,  MASUDA Mitsutoshi (National Institute of Advanced Industrial Science and Technology) ,  ANDO Hirotomo (National Maritime Research Institute) ,  MAMORI Hiroya (Department of Mechanical Engineering, Tokyo University of Science)
Material： Journal of Fluid Science and Technology (Web)  (J Fluid Sci Technol (Web))
Volume： 12  Issue： 2  Page： JFST0013(J-STAGE)  Publication year： 2017 
JST Material Number： U0022A  ISSN： 1880-5558  Document type： Article
Article type： 原著論文  Country of issue： Japan (JPN)  Language： ENGLISH (EN)

Thesaurus term： reduction ,  *macromolecule ,  *aggregate ,  modeling ,  distinct element method ,  spring constant ,  relaxation time ,  energy dissipation ,  flow visualization ,  *drag reducing
Semi thesaurus term： *drag reduction ,  discrete element modeling

Author keywords (5)： Drag reduction ,  Turbulent channel flow ,  Viscoelastic fluid ,  Discrete element model ,  Polymer aggregation

JST classification (1)： Pipe flows  (BC02090Q)

Reference (35)：

• Bagheri, F., Mitra, D., Perlekar, P. and Brandt, L., Statistics of polymer extensions in turbulent channel flow, Physical Review E, Vol.86 (2012), 056314.
• Bird, R. B., Curtiss, C. F., Armstrong, R. C. and Hassager O., Dynamics of polymeric liquids Volume 2, Wiley, New York (1987).
• Cox, L. R., Dunlop, E. H. and North, A. M., Role of molecular aggregations in liquid drag reduction by polymers, Nature, Vol.249 (1974), pp.243-245.
• Dallas, V., Vassilicos, J. C. and Hewitt, G. F., Strong polymer-turbulence interactions in viscoelastic turbulent channel flow, Physical Review E, Vol.82 (2010), 066303.
• Davoudi, J. and Schumacher, J., Stretching of polymers around Kolmogorov scale in a turbulent shear flow, Physics of Fluids, Vol.18 (2006), 025103.

Terms in the title (3)： 抗力低減 ,  高分子 ,  凝集