The attenuation of ultrasound in dilute polymeric fiber suspensions

1982 ◽  
Vol 72 (3) ◽  
pp. 870-878 ◽  
Author(s):  
C. C. Habeger
Keyword(s):  
Fiber Suspensions ◽  
Polymeric Fiber

The shear and compressive yield stress of fibrillated acacia pulp fiber suspensions

2020 ◽  
Vol 35 (2) ◽  
pp. 243-250
Author(s):  
Jiulong Sha ◽  
Yueyue Yang ◽  
Can Wang ◽  
Wei Li ◽  
Peng Lu ◽  
...  
Keyword(s):  
Yield Stress ◽  
Paper Industry ◽  
Pulp Fiber ◽  
Fiber Suspensions ◽  
Fiber Morphology ◽  
Shear Yield Stress ◽  
Geometrical Properties ◽  
Compressive Yield Stress ◽  
Shear Yield ◽  
Fiber Cell Wall

AbstractThe degree of interactions between fibers and the tendency of fibers to form flocs play an important role in effective unit operation in pulp and paper industry. Mechanical treatments may damage the structure of the fiber cell wall and geometrical properties, and ultimately change the fiber-fiber interactions. In this study, the gel crowding number, compressive and shear yield stress of fibrillated acacia pulps were investigated, and the results showed that the gel crowding number of the refined pulp samples ranged from 8.7 to 10.7, which were much lower than that of un-refined pulps. As the concentration increased, both the compressive yield stress {P_{y}} and shear yield stress {\tau _{y}} of all suspensions increased accordingly, and the yield stress was found to depend on a power law of the crowding number. Moreover, the values of {\tau _{y}}/{P_{y}} were also examined and the variation of {\tau _{y}}/{P_{y}} became largely dependent on the fiber morphology and mass concentration.

scholarly journals Turbulent energy motion of fiber suspensions in a rotating frame

2021 ◽  
Vol 60 (3) ◽  
pp. 3345-3352
Author(s):  
S.F. Ahmed ◽  
M.G. Hafez ◽  
Yu-Ming Chu ◽  
M. Mofijur
Keyword(s):  
Turbulent Energy ◽  
Fiber Suspensions ◽  
Rotating Frame

Rheology of highly concentrated planar fiber suspensions

2005 ◽  
Vol 49 (5) ◽  
pp. 1029-1058 ◽  
Author(s):  
Steven Le Corre ◽  
Pierre Dumont ◽  
Laurent Orgéas ◽  
Denis Favier
Keyword(s):  
Fiber Suspensions

scholarly journals Green bio-based aerogels prepared from recycled cellulose fiber suspensions

RSC Advances ◽  
2015 ◽  
Vol 5 (40) ◽  
pp. 31384-31391 ◽  
Author(s):  
Liang Wang ◽  
Miguel Sánchez-Soto
Keyword(s):  
Cellulose Fiber ◽  
Ammonium Polyphosphate ◽  
Fiber Suspensions ◽  
Cellulose Fibres

The flammability of green aerogels prepared using recycled cellulose fibres was improved by adding clay and ammonium polyphosphate.

Numerical simulation of contraction and expansion flows of fiber suspensions

1994 ◽  
Vol 38 (3) ◽  
pp. 753-753
Author(s):  
Kazunori Yasuda ◽  
Kiyoji Nakamura ◽  
Noriyasu Mori
Keyword(s):  
Numerical Simulation ◽  
Fiber Suspensions ◽  
Contraction And Expansion

Dynamics of gas bubbles in fiber suspensions

2021 ◽  
pp. 103823
Author(s):  
Ajinkya Pawar ◽  
Gilles Ausias ◽  
Julien Férec
Keyword(s):  
Gas Bubbles ◽  
Fiber Suspensions

scholarly journals One-way coupling of fiber suspensions through a rotating curved expansion duct

2012 ◽  
Vol 16 (5) ◽  
pp. 1405-1409
Author(s):  
Qi-Hua Zhang ◽  
Fei Tian ◽  
Wei-Dong Shi ◽  
Hua Zhang ◽  
Xiong-Fa Gao
Keyword(s):  
Numerical Method ◽  
Flow Structure ◽  
Fiber Orientation ◽  
Pressure Rise ◽  
Initial Orientation ◽  
Fiber Suspensions ◽  
Inlet Velocity ◽  
The One

A numerical method based on the one-way coupling using the Jeffery equation is presented. The influence of the inlet velocity and the initial orientation on the evolution of fiber orientation is investigated. It is observed that the rotation mainly contributes to the pressure rise, and the flow structure is not obviously altered. Due to the one-way coupling, the effects of the inlet velocity and the rotating rate are insignificant.

scholarly journals A multi-scale model with GENERIC structure of polymeric melt with fiber suspensions

2009 ◽  
Vol 58 (1) ◽  
pp. 619
Author(s):  
Zhang Hong-Ping ◽  
Ouyang Jie ◽  
Ruan Chun-Lei
Keyword(s):  
Scale Model ◽  
Fiber Suspensions ◽  
Generic Structure ◽  
Multi Scale
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