Papers & Publications by W. A. Gifford

1. Gifford, W.A., “On the Three-Dimensional Modeling of Polymer Processes”, ANTEC Tech. Papers, 51, 2316 (2005).
   
   
2. Gifford, W.A., “The Determination of the “Best” Viscosity Model for Shear Thinning Fluids from Capillary Rheology Experiments”, SPE ANTEC Tech. Papers, 50, 438 (2004).
   
   
3. Gifford, W.A., “Compensating for Die Swell in Profile Die Design”, Polym. Eng. Sci., 43, 1657 (2003). 
   
   
4. Gifford, W.A. "The Use of Three-Dimensional Computation Fluid Dynamics in the Design of Profile Dies", PLASTICS INSIGHTS (Dearborn, Mich.: Society of Manufacturing Engineers, v2, n3, 2003). 
   
   
5. Gifford, W.A., “Compensating for Die Swell in Profile Die Design”, SPE ANTEC Tech. Papers, 49, 11 (2003).
   
   
6. Gifford, W.A., “The Design of Profile Extrusion Dies Using 3-D Computational Fluid Dynamics”, Society of Rheology 74th Annual Meeting, Minneapolis, MN, October 13-17, 2002.
   
   
7. Gifford, W.A., “The Use of Three-Dimensional Computational Fluid Dynamics in the Design of Profile Dies”, SPE ANTEC Tech. Papers, 48, 142 (2002).
   
   
8. Gifford, W.A., “The Effect of Wall Slip on the Performance of Flat Extrusion Dies”, Polym. Eng. Sci., 41, 1886 (2001).
   
   
9. Gifford, W.A., “The Effect of Wall Slip on the Performance of Flat Extrusion Dies”, SPE ANTEC Tech. Papers, 47, 49 (2001).
   
   
10. Gifford, W.A., “A Three-Dimensional Analysis of Coextrusion in a Single Manifold Flat Die”, Polym. Eng. Sci., 40, 2095 (2000).
    
    
11. Gifford, W.A., B.G. Higgins and S.F. Mase. “Internet-Assisted Design/Analysis of Coating Flows”, International Society of Coating Science and Technology Symposium, Scottsdale, AZ, Sept. 25-27, 2000. 
    
    
12. Gifford, W.A., “A Three-Dimensional Analysis of Coextrusion in a Single Manifold Flat Die”, SPE ANTEC Tech. Papers, 46, 71 (2000). 
    
    
13. Gifford, W.A., The Design of Flat Extrusion Dies and Feedblocks for Film and Sheet”, Extrusion Die Design course, University of Wisconsin, Milwaukee WI, Apr. 13 -14, 2000.
    
    
14. Gifford, W.A. “The Design of Flat Extrusion Dies and Feedblocks”, SPE ANTEC Tech. Papers, 45, 262 (1999).
    
    
15. Gifford, W.A., The Design of Flat Extrusion Dies and Feedblocks for Film and Sheet”, Extrusion Die Design course, University of Wisconsin, Milwaukee WI, Apr. 15 -16, 1999.
    
    
16. Gifford, W.A., "A Three-Dimensional Analysis of the Effect of Die Body Deflection in the Design of Extrusion Dies", Polym. Eng. Sci., 38(10), 1729 (1998). 
    
    
17. Gifford, W.A. “The Design of Flat Extrusion Dies and Feedblocks”, Extrusion Technical Conference, Society of Plastics Engineers, Asheville NC, Oct. 12, 1998. 
    
    
18. Gifford, W.A., "The Design of Flat Dies and Coextrusion Feedblocks for Cast Film", Cast & Blown Film Technology for Packaging, University of Wisconsin, Milwaukee WI, Oct. 5 -7, 1998.
    
    
19. Gifford, W.A., "A Three-Dimensional Analysis of the Effect of Die Body Deflection in the Design of Extrusion Dies", TAPPI Polymers, Laminations and Coatings Conference, San Francisco CA, Aug. 30 - Sept. 3, 1998. 
    
    
20. Gifford, W.A., "A Effect of Surface Tension on Extrudate Swell from Square and Rectangular Channels", Polym. Eng. Sci., 38(7), 1167 (1998).
    
    
21. Gifford, W.A., "Take the Guesswork Out of Flat Die Design", Plastics Fair Cleveland '98 Conference, Cleveland OH, June 23-25, 1998.
    
    
22. Gifford, W.A., "A Three-Dimensional Analysis of the Effect of Die Body Deflection in the Design of Extrusion Dies", SPE ANTEC Tech. Papers, 44, 290 (1998).
    
    
23. Gifford, W.A., "Early Flow Tuning and New Manifold Design for Film and Sheeting Applications", Film & Sheet Conference '97, Somerset, NJ, Dec. 9-11, 1997.
    
    
24. Gifford, W.A., "A Three-Dimensional Analysis of Coextrusion", SPE ANTEC Tech. Papers, 43, 356 (1997). 
    
    
25. Gifford, W.A., "The Use of Three-Dimensional Computational Fluid Dynamics in the Design of Extrusion Dies", J. Reinf. Plast. Compos., 16(7), 661 (1997).
    
    
26. Gifford, W.A., "The Use of 3-D CFD in the Design of Flat Extrusion Dies and Coextrusion Feedblocks", CAE in Polymer Processing, Gordon Research Conference, Ventura CA , Feb 18, 1997. 
    
    
27. Gifford, W.A., "A Three-Dimensional Analysis of Coextrusion", Polym. Eng. Sci.,37, 315 (1997). 
    
    
28. Gifford, W.A., "The Design of Extrusion Dies and Coextrusion Feedblocks", Extrusion Coating, Cast & Blown Film Seminar, TAPPI, Birmingham UK, November 6 -7, 1996. 
    
    
29. Gifford, W.A., "The Design of Extrusion Dies and Coextrusion Blocks", Plasform '96 Conference, Chicago IL, June 11, 1996. 
    
    
30. Gifford, W.A., "The Use of Three-Dimensional Computational Fluid Dynamics in the Design of Extrusion Dies", SPE ANTEC Tech. Papers, 42, 253 (1996). 
    
    
31. Gifford, W.A., "A Three-Dimensional Finite Element Analysis of the Effect of Reynolds Number on Extrudate Swell of Newtonian Liquids from Dies", Handbook of Applied Polymer Processing Technology, Marcel Dekker, New York  (1996). 
    
    
32. Gifford, W.A., "New Die Geometries", Plasform '95 Conference, Cleveland OH, June 13, 1995. 
    
    
33. Gifford, W.A., "A 3-D Analysis of the Flow and Heat Transfer in a Flat Plate Cooler", Dow Chemical Report (1994). 
    
    
34. Gifford, W.A., "The Characterization and Optimization of Shear Mixers", Dow Chemical R&D Report (1993). 
    
    
35. Gifford, W.A., "The Effect of Reynolds Number on Extrudate Swell of Newtonian Liquids from Square Dies", Can. J. Chem. Eng., 71, 161 (1993).
    
    
36. Gifford, W.A., "The Effect of Reynolds Number on Extrudate Swell of Newtonian Liquids from Square Dies", Dow Chemical R&D Report (1991).
    
    
37. Gifford, W.A. "Natural Convection in a Square Cavity without the Boussinesq Approximation", SPE ANTEC, Montreal, (1991). 
    
    
38. Gifford, W.A., "The Determination of the Best Shear-Dependent Viscosity Model from Capillary Rheometer Data", Dow Chemical R&D Report (1990).
    
    
39. Gifford, W.A., "The Estimation of the Minimum Density of a Polystyrene Foam Using a Thermodynamic Model", Dow Chemical R&D Report (1989).
    
    
40. Gifford, W.A., "The Determination of Foam Density from Solubility Data", Dow Chemical R&D Report (1988). 
    
    
41. Gifford, W.A., "A Finite Element Analysis of the Extruded Foam Process", Dow Chemical R&D Report (1988).
    
    
42. Gifford, W.A., "Finite Element Solutions of Three-Dimensional Flows", Proceedings of the International User Conference & Exposition (Scottsdale AZ. Sept. 24-27, 1985), SDRC International, Milford OH.
    
    
43. Gifford, W.A., "A Finite Element Analysis of Isothermal Fiber Forming", Phys. Fluids, 25, 219 (1982). 
    
    
44. Gifford, W.A., "A Finite Element Analysis of Non-Isothermal Fiber Forming", Owens-Corning Technical Report (1981).
    
    
45. Gifford, W.A., "A Finite Element Analysis of Isothermal Fiber Forming", Owens-Corning Technical Report (1981). 
    
    
46. Gifford, W.A., "Cone Angle Restrictions in Isothermal Fiber Forming", Owens-Corning Technical Report (1980).
    
    
47. Gifford, W.A. and L.E. Scriven, "Unexpected Stable, Asymmetric Shapes of Rotating Liquid Drops", Am. Phys. Soc., Notre Dame IN, November 19, 1979.
    
    
48. Gifford, W.A. and L.E. Scriven, "The Shapes and Stability of Rotating Liquid Drops", Am. Phys. Soc., Washington D.C., April 24-27, 1978.
    
    
49. Gifford, W.A., "The Effect of Contact Angle on Ring Tensiometry", J. Col. Int. Sci.,64, 588 (1978). 
    
    
50. Gifford, W.A., M.A. Stadtherr, and L.E. Scriven, "Efficient Solutions of Sparse Sets of Design Equations", Chem. Eng. Sci., 29, 1025 (1974). 
    
    
51. Gifford, W.A. and L.E. Scriven, "On the Attraction of Floating Particles", Chem. Eng. Sci., 26, 287 (1971).