Experimental study of the collision between a rod like macromolecule and a solid surface

A. Hijazi, L. Ben Yahia, A. Khater, M. Zoaeter

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

The sliding collision effect assumed in previous simulations as a parametric limit, J. Comput. Mater. Sci. 20 (2001) 213, is checked experimentally. Dilute solutions of non-Brownian microscopic rod like polyamide fibers (length = 500 μm, diameter = 14.5 μm) in a Newtonian silicon oil 47V100 fluid under shear are examined near an impenetrable solid surface. We develop experimental tools to observe the collision dynamics of the edges of these microscopic fibers with a solid surface. It is observed that slide collisions are possible and occur although at a lesser frequency than the rotation collisions. Although differences between the dynamic behavior of the collisions of microscopic fibers and nanometre rod like macromolecules are to be expected and remain unknown, these experiments confirm our theoretical model and the validity of the restitution assumption proposed previously.

Original languageEnglish
Pages (from-to)521-525
Number of pages5
JournalEuropean Polymer Journal
Volume39
Issue number3
DOIs
Publication statusPublished - Mar 2003
Externally publishedYes

Fingerprint

Macromolecules
macromolecules
solid surfaces
rods
collisions
Fibers
Nylons
fibers
Silicon
Polyamides
Oils
Fluids
chutes
sliding
oils
shear
Experiments
fluids
silicon
simulation

ASJC Scopus subject areas

  • Organic Chemistry
  • Polymers and Plastics

Cite this

Experimental study of the collision between a rod like macromolecule and a solid surface. / Hijazi, A.; Ben Yahia, L.; Khater, A.; Zoaeter, M.

In: European Polymer Journal, Vol. 39, No. 3, 03.2003, p. 521-525.

Research output: Contribution to journalArticle

Hijazi, A. ; Ben Yahia, L. ; Khater, A. ; Zoaeter, M. / Experimental study of the collision between a rod like macromolecule and a solid surface. In: European Polymer Journal. 2003 ; Vol. 39, No. 3. pp. 521-525.
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