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Flow-induced Crystallization of PB-1: Characterizing the Onset of Shish-kebab Formation
birefringence transmitted intensity flow-induced crystallization
2009/6/16
In this work, it is shown that optical techniques, more specifically birefringence and transmittedintensity measurements, provide an excellent tool to characterize the transition to
highly anisotropi...
Numerical Analysis of Flow Behavior in Meniscus Region of Viscoelastic Dip Coating Flows
dip coating flow viscoelastic fluid numerical simulation Phan-Thien Tanner model meniscus
2009/5/8
Flow behavior in a meniscus region in viscoelastic dip coating flows was numerically analyzed using a finite element method. The Phan-Thien Tanner (PTT) model was used as a constitutive equation. Th...
Migration and Orientation of Micro-Disk Particles in a Newtonian Flow through a Slit Channel
Micro disk-like particle Talc particle suspension Migration and orientation of thin particle
2009/5/5
The objective of this study is to well understand the migration and orientation of thin micro-particles, such as talc and mica, in a suspension flow through a slit channel as well as to obtain the kno...
Characteristics of Incompressible Air Flow in an Interlacer
Interlacer Air injection calculation High Reynolds number k-ε model
2009/4/29
The present study is concerned with numerical simulation of air flow in a yarn duct of an interlacer, which is an apparatus for yarn intermingling. A nozzle of circular pipe of inner diameter d(
Numerical Simulation for Orientation of Thin Disk Particles in a Newtonian Flow through a L-Shape Channel
Thin disk particle Orientation evolution L-shape channel flow
2009/4/15
Orientation evolution of thin disk particles, such as talc and mica, in a Newtonian flow through a L-shape channel was numerically simulated by decoupling flow kinematics with particle orientation u...
Numerical Analysis of Penetration Flow through Viscoelastic Fluids
Penetration flow Viscoelastic fluid Interface Numerical simulation Phan-Thien Tanner model
2009/4/15
Penetration flows of a Newtonian fluid through a viscoelastic fluid in an abrupt contraction channel were numerically analyzed. In the numerical simulation, the Phan-Thien Tanner model was employed ...
Recent and Traditional Approaches to Numerical Flow Analysis of Complex Fluids
Complex fluid Viscoelastic fluid Fluid micro structure Micro-macro simulation
2009/4/15
This article reviewed both traditional continuum-mechanics-based and recent micro-macro approaches to the flow analysis of complex fluids. The flow of viscoelastic fluids such as polymeric liquids wa...
Numerical Simulation for Fiber Assembly Orientation in a Newtonian Flow through a 4:1 Abrupt Contraction
Fiber assembly orientation Fiber suspension Jeffery equation
2009/4/9
The objective of the present work is to well understand the mechanism of fiber assembly orientation in various flows involving the processing of composite materials. The evolution of the orientation ...
Air Flow in the Air-jet False-twist Spinning Chamber
air-jet spinning false-twist chamber air flow
2009/2/13
We discuss the air flow in a false-twist spinning chamber operating according to the MJS (Murata Jet Spinning) principle. The chamber under investigation is characterised by a straight inlet channel a...