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TECHNICAL PAPERS

The Gas Penetration Through Viscoelastic Fluids With Shear-Thinning Viscosity in a Tube

[+] Author and Article Information
Takehiro Yamamoto

Department of Mechanophysics Engineering, Graduate School of Engineering, Osaka University, 2-1, Yamadaoka, Suita, Osaka 565-0871 Japane-mail: take@mech.eng.osaka-u.ac.jp

Takanori Suga

Department of Mechanical, Materials and Manufacturing Science, Faculty of Engineering, Osaka University 2-1, Yamadaoka, Suita, Osaka 565-0871 Japane-mail: suga@rheol.mech.eng.osaka-u.ac.jp

Kiyoji Nakamura

Department of Mechanophysics Engineering, Graduate School of Engineering, Osaka University, 2-1, Yamadaoka, Suita, Osaka 565-0871 Japane-mail: nakamura@mech.eng.osaka-u.ac.jp

Noriyasu Mori

Department of Mechanophysics Engineering, Graduate School of Engineering, Osaka University, 2-1, Yamadaoka, Suita, Osaka 565-0871 Japane-mail: n.mori@mech.eng.osaka-u.ac.jp

J. Fluids Eng 126(2), 148-152 (May 03, 2004) (5 pages) doi:10.1115/1.1669402 History: Received October 17, 2002; Revised June 04, 2003; Online May 03, 2004
Copyright © 2004 by ASME
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References

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Figures

Grahic Jump Location
The shear viscosity of test fluids at 25°C
Grahic Jump Location
The first normal stress difference of test fluids at 25°C
Grahic Jump Location
Schematic of gas penetration: Areas (a) and (b) indicate schematic of regions where representative shear rates are defined
Grahic Jump Location
Fractional coverage m as a function of capillary number Ca when H=R0; case (a)
Grahic Jump Location
Fractional coverage m as a function of capillary number Ca when H=R0−Rb; case (b)
Grahic Jump Location
Reduced fractional coverage m/mN as a function of Weissenberg number Wi when H=R0; case (a)
Grahic Jump Location
Reduced fractional coverage m/mN as a function of Weissenberg number Wi when H=R0−Rb; case (b)

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