Complex Flows in Industrial Processes by G. Marrucci, G. Ianniruberto (auth.), Antonio Fasano (eds.)

at(a - ao) d:,g-l(ao/a) = 0, then q'(a) is also continuous for all a > o.

Other interesting contributions on this subject are due to [39]' [40], and [41]. A very good fit with these experimental results was obtained by Beris et al. [6] integrating the equation of motion by finite elements, thus also recovering the lower and upper estimates previously obtained by Yoshioka et al. [43]. In all the papers listed here, the motion of a single sphere with a sufficiently large radius in an unsheared environment was considered. In the paper by Thomas [37]' an experiment of sedimentation in a sheared fluid was described.

Phys. , 21, 667 (1983). 5. , The Theory of Polymer Dynamics, Clarendon Press, Oxford (1986). 6. , The statistical mechanics of polymerised materials, Proc. Phys. Soc. (London), 92, 9 (1967). 7. , Viscoelastic Properties of Polymers, Wiley, New York (1980). 8. , Connection between polymer molecular weight, density, chain dimensions, and melt viscoelastic properties, Macromolecules, 27, 4639 (1994). 24 Complex Flows in Industrial Processes 9. , Principles of Polymer Chemistry, Cornell University Press, Ithaca, New York (1953).

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