Coil-stretch transition of dilute flexible polymers under ultrahigh velocity gradients

The Journal of Chemical Physics

Volumn , Issue , 1974, Pages 5030-5042

  De Gennes, P G ^a  

^a Centre de Recherche Interdisciplinaire en Biologie   (France)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 36749109216     PISSN: 00219606     EISSN: None     Source Type: Journal    
DOI: 10.1063/1.1681018     Document Type: Article

References (15)

1. Macromol. Rev. (to be published).
2. The difficulty of realizing nontrivial laminar flows where each molecule sees a constant gradient has been pointed out by professor F. C. Frank (private communication).
3. This ceases to be true, however, near a second order coil ↔ stretch transition — for instance, if we consider a marginal case such as Couette flow.
4. However, we must keep in mind the fact that a stationary state [formula omitted] is not a state of thermal equilibrium, since the velocity field [formula omitted] always imposes some dissipation.
5. See, for instance
6. This is a very rough estimate because the chain extension is not uniform.