Nonlinear elastic polymers in random flow

Martins Afonso, M.; Vincenzi, D.

doi:10.1017/S0022112005005951

Item

ITEM ACTIONSEXPORT

Add to Basket

Please note that a newer version of this item is available:
https://pure.mpg.de/pubman/item/item_2179140_3

DetailsSummary

Released

Journal Article

Nonlinear elastic polymers in random flow

MPS-Authors

/persons/resource/persons173701

Vincenzi, D.
Laboratory for Fluid Dynamics, Pattern Formation and Biocomplexity, Max Planck Institute for Dynamics and Self-Organization, Max Planck Society;

External Resource

No external resources are shared

Fulltext (restricted access)

There are currently no full texts shared for your IP range.

Fulltext (public)

There are no public fulltexts stored in PuRe

Supplementary Material (public)

There is no public supplementary material available

Citation

Martins Afonso, M., & Vincenzi, D. (2005). Nonlinear elastic polymers in random flow. Journal of Fluid Mechanics, 540, 99-108. doi:10.1017/S0022112005005951.

Cite as: https://hdl.handle.net/11858/00-001M-0000-0029-1551-F

Abstract

Polymer stretching in random smooth flows is investigated within the framework of the FENE dumbbell model. The advecting flow is Gaussian and short-correlated in time. The stationary probability density function of polymer extension is derived exactly. The characteristic time needed for the system to attain the stationary regime is computed as a function of the Weissenberg number and the maximum length of polymers. The transient relaxation to the stationary regime is predicted to be exceptionally slow in the proximity of the coil-stretch transition.