@article{oai:niigata-u.repo.nii.ac.jp:00003739,
 author = {長谷川, 富市 and 鳴海, 敬倫},
 issue = {534},
 journal = {日本機械学会論文集. B編, 日本機械学会論文集. B編},
 month = {Feb},
 note = {At first the elongational stress is derived to be ρυ^2, where ρ is the fluid density and υ is the local flow velocity. Then macromolecular chains elongated in the solution are assumed to be thin rods and to associate with each other due to mutual interactions, and Batchelor's theory of suspension of thin rods is utilized to obtain the elongational stress for dilute polymer solutions in the elongational flow. Finally, the velocity distribution along the flow direction is derived over the upstream region of converging flow. The results obtained are confirmed to agree with the experimental ones.},
 pages = {464--469},
 title = {希薄高分子溶液の小孔流入時にみられる伸張流的特性に関する一提案},
 volume = {57},
 year = {1991}
}