Slip effects in HDPE flows

Journal of Non-Newtonian Fluid Mechanics

Volumn 167-168, Issue , 2012, Pages 18-29

  Ansari, Mahmoud ^a   Hatzikiriakos, Savvas G ^b   Mitsoulis, Evan ^b  

^a UNIVERSITY OF BRITISH COLUMBIA   (Canada)

^b NATIONAL TECHNICAL UNIVERSITY OF ATHENS   (Greece)

Author keywords

Entrance pressure drop; HDPE melt; K BKZ constitutive equation; Non isothermal die flow; Slip effects; Viscoelasticity

Indexed keywords

CAPILLARY DIES; EFFECT OF PRESSURE; EXCESS PRESSURE; EXPERIMENTAL DATA; L/D RATIO; NONISOTHERMAL; PRESSURE DEPENDENCE; RELAXATION MODULUS; RHEOLOGICAL CHARACTERIZATION; SHEAR RATES; SLIP EFFECTS; TIME-TEMPERATURE; VISCOUS HEATING; VISCOUS MODELS; WALL SLIP; WALL-SLIP EFFECTS;

HIGH DENSITY POLYETHYLENES; PRESSURE DROP; VEHICULAR TUNNELS; VISCOELASTICITY; VISCOSITY;

PRESSURE EFFECTS;

EID: 83555176372     PISSN: 03770257     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.jnnfm.2011.09.007     Document Type: Article

References (45)

1. Dealy J.M., Wissbrun K.F. Melt Rheology and its Role in Plastics Processing - Theory and Applications 1990, Van Nostrand Reinhold, New York.
2. Laun H.M. Pressure dependent viscosity and dissipative heating in capillary rheometry of polymer melts. Rheol. Acta 2003, 42:295-308.
3. Laun H.M. Capillary rheometry for polymer melts revisited. Rheol. Acta 2004, 43:509-528.
4. Bagley E.B. End corrections in the capillary flow of polyethylene. J. Appl. Phys. 1957, 28:193-209.
5. Ansari M., Alabbas A., Mitsoulis E., Hatzikiriakos S.G. Entry flow of polyethylene melts in tapered dies. Int. Polym. Proc. 2010, 25:287-296.
6. Horrobin D.J., Nedderman R.M. Die entry pressure drops in paste extrusion. Chem. Eng. Sci. 1998, 53:3215-3225.
7. Gibson A.G. Converging dies. Rheological Measurements 1998, Chapman and Hall, London. A.A. Collyer, D.W. Gregg (Eds.).
8. Ariawan A.B., Ebnesajjad S., Hatzikiriakos S.G. Paste extrusion of polytetrafluoroethylene (PTFE) fine powder resins. Can. J. Chem. Eng. 2002, 80:1153-1165.
9. Ochoa I., Hatzikiriakos S.G. Paste extrusion of PTFE: viscosity and surface tension effects. Powder Technol. 2005, 153:108-118.
10. Ansari M., Zisis Th., Hatzikiriakos S.G., Mitsoulis E. Capillary flow of LDPE. Polym. Eng. Sci. 2011.
11. Hatzikiriakos S.G., Dealy J.M. Wall slip of molten high density polyethylene I. Sliding plate rheometer studies. J. Rheol. 1991, 35:497-523.
12. Hatzikiriakos S.G., Dealy J.M. Wall slip of molten high density polyethylene. II. Capillary rheometer studies. J. Rheol. 1992, 36:703-741.
13. Ansari M., Hatzikiriakos S.G., Sukhadia A.M., Rohlfing D.C. Rheology of Ziegler-Natta and metallocene high-density polyethylenes: broad molecular weight distribution effects. Rheol. Acta 2011, 50:17-27.
14. Tanner R.I. Engineering Rheology 2000, Oxford University Press, Oxford. second ed.
15. J.M. Dealy, R.G. Larson, Structure and Rheology of Molten Polymers-from Structure to Flow Behavior and Back Again, Hanser, Munich, 2006.
16. Mooney M. Explicit formulas for slip and fluidity. J. Rheol. 1931, 2:210-222.
17. Mitsoulis E., Hatzikiriakos S.G. Steady flow simulations of compressible PTFE paste extrusion under severe wall slip. J. Non-Newtonian Fluid Mech. 2009, 157:26-33.
18. Sedlacek T., Zatloukal M., Filip P., Boltizar A., Saha P. On the effect of pressure on the shear and elongational viscosities of polymer melts. Polym. Eng. Sci. 2004, 44:1328-1337.
19. Carreras E.S., El Kissi N., Piau J.-M., Toussaint F., Nigen S. Pressure effects on viscosity and flow stability of polyethylene melts during extrusion. Rheol. Acta 2006, 45:209-222.
20. Papanastasiou A.C., Scriven L.E., Macosko C.W. An integral constitutive equation for mixed flows: viscoelastic characterization. J. Rheol. 1983, 27:387-410.
21. Luo X.-L., Tanner R.I. Finite element simulation of long and short circular die extrusion experiments using integral models. Int. J. Numer. Methods Eng. 1988, 25:9-22.
22. Kajiwara T., Barakos G., Mitsoulis E. Rheological characterization of polymer solutions and melts with an integral constitutive equation. Int. J. Polym. Anal. Charact. 1995, 1:201-215.
23. Luo X.-L., Tanner R.I. A pseudo-time integral method for non-isothermal viscoelastic flows and its application to extrusion simulation. Rheol. Acta 1987, 26:499-507.
24. Alaie S.M., Papanastasiou T.C. Modeling of non-isothermal film blowing with integral constitutive equations. Int. Polym. Proc. 1993, 8:51-65.
25. Beaulne M., Mitsoulis E. Effect of viscoelasticity in the film-blowing process. J. Appl. Polym. Sci. 2007, 105:2098-2112.
26. Barakos G., Mitsoulis E. Non-isothermal viscoelastic simulations of extrusion through dies and prediction of the bending phenomenon. J. Non-Newtonian Fluid Mech. 1996, 62:55-79.
27. Peters G.W.M., Baaijens F.P.T. Modelling of non-isothermal viscoelastic flows. J. Non-Newtonian Fluid Mech. 1997, 68:205-224.
28. Meissner J., Parameters Basic, Rheology Melt Processing and end-use properties of three similar low density polyethylene samples. Pure Appl. Chem. 1975, 42:551-612.
29. Tadmor Z., Gogos C.G. Principles of Polymer Processing. SPE Monograph Series 1979, Wiley, New York.
30. Hatzikiriakos S.G., Dealy J.M. Start-up pressure transients in a capillary rheometer. Polym. Eng. Sci. 1994, 34:493-499.
31. Park H.E., Dealy J.M. Effects of pressure and supercritical fluids on the viscosity of polyethylene. Macromolecules 2006, 39:5438-5452.
32. Winter H.H. Viscous dissipation in shear flows of molten polymers. Adv. Heat Transfer 1977, 13:205-267.
33. Mitsoulis E., Wagner R., Heng F.L. Numerical simulation of wire-coating low-density polyethylene: theory and experiments. Polym. Eng. Sci. 1988, 28:291-310.
34. Bird R.B., Armstrong R.C., Hassager O. Dynamics of Polymeric Liquids. Fluid Mechanics 1987, vol. 1. Wiley, New York. second ed.
35. Lupton L.M., Regester J.W. Melt flow of polyethylene at high shear rates. Polym. Eng. Sci. 1965, 5:235-245.
36. Hatzikiriakos S.G., Dealy J.M. Role of slip and fracture in the oscillating flow of HDPE in a capillary. J. Rheol. 1992, 36:845-884.
37. Park H.E., Lim S.T., Smillo F., Dealy J.M. Wall slip and spurt flow of polybutadiene. J. Rheol. 2008, 52:1201-1239.
38. Mitsoulis E., Kazatchkov I.B., Hatzikiriakos S.G. The effect of slip in the flow of a branched PP polymer: experiments and simulations. Rheol. Acta 2005, 44:418-426.
39. Hannachi A., Mitsoulis E. Sheet coextrusion of polymer solutions and melts: comparison between simulation and experiments. Adv. Polym. Technol. 1993, 12:217-231.
40. Luo X.-L., Mitsoulis E. An efficient algorithm for strain history tracking in finite element computations of non-Newtonian fluids with integral constitutive equations. Int. J. Numer. Methods Fluids 1990, 11:1015-1031.
41. K. Funatsu, T. Kajiwara, Stress measurement of viscoelastic fluids by flow birefringence technique and slip phenomena of polymer melts, in Encyclopedia of Fluid Mechanics, vol. 7, Rheology and Non-Newtonian Flows, Houston, 1988.
42. Hill D.A., Hasegawa T., Denn M.M. On the apparent relation between adhesive failure and melt fracture. J. Rheol. 1990, 34:891-918.
43. Luo X.-L., Mitsoulis E. A numerical study of the effect of elongational viscosity on vortex growth in contraction flows of polyethylene melts. J. Rheol. 1990, 34:309-342.
44. Park H.J., Kiriakidis D.G., Mitsoulis E., Lee K.-J. Birefringence studies in die flows of an HDPE melt. J. Rheol. 1992, 36:1563-1583.
45. Mitsoulis E. Effect of viscoelasticity in fountain flow of polyethylene melts. Int. Polym. Proc. 2009, 24:439-451.