Drag Enhancement with Polymers
Langue
en
Article de revue
Ce document a été publié dans
Physical Review Letters. 2008, vol. 100, n° 1, p. 018302
American Physical Society
Résumé en anglais
Drag on a cylinder can be enhanced in the presence of polymers. This enhancement is directly related to the interaction of the polymers with the flow around the obstacle. The presence of the polymers modifies the flow in ...Lire la suite >
Drag on a cylinder can be enhanced in the presence of polymers. This enhancement is directly related to the interaction of the polymers with the flow around the obstacle. The presence of the polymers modifies the flow in the vicinity of the cylinder giving rise to a band of higher shear, large molecular elongations and large velocity fluctuations. The measured drag on the cylinder is directly related to the modification of the flow field by the presence of the polymers.< Réduire
Mots clés en anglais
Polymers and polymer solutions
Rheological aspects
Micro- and nano- scale flow phenomena
Macromolecular and polymers solutions
polymer melts
Origine
Importé de halUnités de recherche