Deformation of a Newtonian drop in a viscoelastic matrix under steady shear flow Experimental validation of slow flow theory

Journal of Non-Newtonian Fluid Mechanics

Volumn 114, Issue 1, 2003, Pages 65-82

  Guido, S ^a   Simeone, M ^a   Greco, F ^b  

^a UNIVERSITY OF NAPLES FEDERICO II   (Italy)

^b CNR   (Italy)

Author keywords

Boger fluid; Drop deformation; Shear flow; Small deformation theory

Indexed keywords

DEFORMATION; IMAGE ANALYSIS; NEWTONIAN LIQUIDS; SHEAR FLOW; STEADY FLOW; SURFACE TENSION; VISCOELASTICITY;

NEWTONIAN DROPS;

FLUID MECHANICS;

DROPLET; MATHEMATICAL ANALYSIS; NON-NEWTONIAN FLUID; SHEAR FLOW; STEADY FLOW; VISCOELASTIC FLUID;

EID: 0141724759     PISSN: 03770257     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0377-0257(03)00118-6     Document Type: Article

References (28)

1. C.D. Han, Multiphase Flow in Polymer Processing, Academic Press, New York, 1981.
2. R.G. Larson, The Structure and Rheology of Complex Fluids, Oxford University Press, New York, 1999.
3. Rallison J.M.The deformation of small viscous drops and bubbles in shear flows Ann. Rev. Fluid Mech. 16 1984 45-66
4. Stone H.A.Dynamics of drop deformation and breakup in viscous fluids Ann. Rev. Fluid Mech. 26 1994 65-102
5. Tucker C.L.IIIMoldenaers P.Microstructural evolution in polymer blends Ann. Rev. Fluid Mech. 34 2002 177-210
6. Taylor G.I.The viscosity of a fluid containing small drops of another fluid Proc. R. Soc. London A 138 1932 41-48
7. Taylor G.I.The formation of emulsions in definable fields of flow Proc. R. Soc. London A 146 1934 501-523
8. Chin H.B.Han C.D.Studies on droplet deformation and breakup. I. Droplet deformation in extensional flow J. Rheol. 23 1979 557-590
9. Chan P.Leal L.G.The motion of a deformable drop in a second-order fluid J. Fluid Mech. 92 1979 131-170
10. Levitt L.Macosko C.W.Pearson S.D.Influence of normal stress difference on polymer drop deformation Polym. Eng. Sci. 36 1996 1647-1655
11. Mighri F.Carreau P.J.Ajji A.Influence of elastic properties on drop deformation and breakup in shear flow J. Rheol. 42 1998 1477-1490
12. Migler K.B.Droplet vorticity alignment in model polymer blends J. Rheol. 44 2000 277-290
13. Lerdwijitjarud W.Sirivat A.Larson R.G.Influence of elasticity on dispersed-phase droplet size in immiscible polymer blends in simple shearing flow Polym. Eng. Sci. 42 2002 798-809
14. Delaby I.Ernst B.Muller R.Drop deformation during elongational flow in blends of viscoelastic fluids. Small deformation theory and comparison with experimental results Rheol. Acta 34 1995 525-533
15. Tretheway D.C.Leal L.G.Deformation and relaxation of Newtonian drops in planar extensional flows of a Boger fluid J. Non-Newt. Fluid Mech. 99 2001 81-108
16. Guido S.Simeone M.Binary collisions of drops in simple shear flow by computer-assisted video optical microscopy J. Fluid Mech. 357 1998 1-20
17. Guido S.Greco F.Drop shape under slow steady shear flow and during relaxation. Experimental results and comparison with theory Rheol. Acta 40 2001 176-184
18. Greco F.Drop deformation for non-Newtonian fluids in slow flows J. Non-Newt. Fluid Mech. 107 2002 111-131
19. Boger D.V.Binnington R.Separation of elastic and shear thinning effects in the capillary rheometer Trans. Soc. Rheol. 21 1977 515-534
20. C.A. Truesdell, W. Noll, The non-linear field theories of mechanics, in: S. Flugge (Ed.), Encyclopaedia of Physics, vol. 3, Springer, Berlin, 1965 (Chapter 3).
21. G. Astarita, G. Marrucci, Principles of Non-Newtonian Fluid Mechanics, McGraw-Hill, Maidenhead, 1974.
22. Greco F.Second order theory for the deformation of a Newtonian drop in a stationary flow field Phys. Fluids 14 2002 946-954
23. Guido S.Simeone M.Villone M.Diffusion effects on the interfacial tension of immiscible polymer blends Rheol. Acta 38 1999 287-296
24. Guido S.Villone M.Three-dimensional shape of a drop under simple shear flow J. Rheol. 42 1998 395-415
25. Wagner M.Wolf B.A.Interfacial tension between poly(isobutylene) and poly(dimethylsiloxane): influence of chain length, temperature, and solvents Macromolecules 26 1993 6498-6502
26. Guido S.Simeone M.Greco F.Effects of matrix viscoelasticity on drop deformation in dilute polymer blends under slow shear flow Polymer 44 2003 467-471
27. R.B. Bird, R.C. Armstrong, O. Hassager, Dynamics of polymeric liquids, in: Fluid Mechanics, vol. 1, Wiley, New York, 1987.
28. Lyu S.-P.Bates F.S.Macosko C.W.Coalescence in polymer blends during shearing AIChE J. 46 2000 229-238