Rheological Properties for Microbubble/Dilute Polymer Mixtures Passing through Small Orifices

被引：1
|
作者：
Ushida, Akiomi [1 ]
Hasegawa, Tomiichi [2 ]
Kawami, Masato [3 ]
Uchiyama, Hiroshige [4 ]
Narumi, Takatsune [2 ]
机构：
[1] Niigata Univ, Ctr Fostering Innovat Leadership, Nishi Ku, Niigata 9502181, Japan
[2] Niigata Univ, Fac Engn, Nishi Ku, Niigata 9502181, Japan
[3] Tohoku Univ, Grad Sch Engn, Aoba Ku, Sendai, Miyagi 9808579, Japan
[4] Niigata Univ, Grad Sch Sci & Technol, Nishi Ku, Niigata 9502181, Japan
来源：
KAGAKU KOGAKU RONBUNSHU | 2012年 / 38卷 / 01期
关键词：
Orifice; Microbubble; Dilute Polymer Solution; Pressure Drop; Elastic Stress; POLY(ETHYLENE OXIDE); MICRO-APERTURES; FLOW; REDUCTION;
D O I：
10.1252/kakoronbunshu.38.32
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
Mixtures of microbubbles (particle size, 20 mu m) with water or dilute polymer solutions were passed through micro-orifices of 100-400 mu m. Pressure drops were measured, and elastic stresses were estimated. The pressure drops of Polyethylene Oxide solutions alone were less than those of water, while the pressure drops of microbubble mixtures with Polyethylene Oxide were greater than those of Polyethylene Oxide solutions alone. This phenomenon was thought to arise from hindrance by microbubbles of the association of polymer chains in the solution; and this idea was supported by the estimated elastic stresses.
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页码：32 / 38
页数：7
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