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Please find in-depth studies in this section. All are available in Adobe PDF format for your download convenience.

 

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Coextrusion

“Optimization of a Profile Coextrusion Die Using a Three-Dimensional Flow Simulation Software”, K. Ryckebosh and M. Gupta, Society of Plastics Engineers Annual Technical (ANTEC) Papers, March 2015, To be presented. PDF

“Comparison of Mesh Partitioning Technique and Level-Set Method for Coextrusion Simulation”, M. Gupta, Society of Plastics Engineers Annual Technical (ANTEC) Papers, April 2014, Vol. 60, 1016 – 1023. PDF

“Viscoelastic Simulation of Bi-Layer Coextrusion in a Square Die: An Analysis of Viscous Encapsulation”, M. Gupta, Society of Plastics Engineers Annual Technical (ANTEC) Papers, April 2013, Vol. 59, 1227 – 1231. PDF

“Effect of Polymer Viscosity on Post-Die Extrudate Shape Change in Coextruded Profiles”, M. Gupta, Society of Plastics Engineers Annual Technical (ANTEC) Papers, April 2012, Vol. 58. PDF

“Three Dimensional Simulation of Coextrusion in a Complex Profile Die”, M. Gupta, Society of Plastics Engineers Annual Technical (ANTEC) Papers, May 2010, Vol. 56, 2030 – 2036. PDF

“Mesh Partitioning Technique for Three-Dimensional Simulation of Coextrusion”, M. Gupta, Society of Plastics Engineers Annual Technical (ANTEC) Papers, May 2008, Vol. 54, 217 – 222. PDF

Extrusion Dies

“Effect of Wall Slip on the Flow in a Flat Die for Sheet Extrusion”, M. Gupta, Society of Plastics Engineers Annual Technical (ANTEC) Papers, 2011, Vol. 57, 1191 – 1196. PDF

“A New Non-Conventional Concept for Design of Sheet Extrusion Dies”, M. Gupta, Society of Plastics Engineers Annual Technical (ANTEC) Papers, 2009, Vol. 55, 1561 – 1565. PDF

“Numerical and Experimental Investigation of Elongational Viscosity effects in a Coat-Hanger Die”, Y. Sun, M. Gupta, J. Dooley, K. A. Koppi, M. A. Spalding, Journal of Plastics Technology, January 2008, Vol. 4, 1 – 14. PDF

“Balancing of a Profile Die for Glass Run Seal of a Car Using Three-Dimensional Flow Simulation”, F. Zacarias, S. Schrader,and M. Gupta, Society of Plastics Engineers Annual Technical (ANTEC) Papers, 2007, 2403 - 2406. PDF

“Balancing of Profile Dies using Three-Dimensional Flow Simulation”, M. Gupta , F. Zacarias and S. Schrader, Annual Meeting of Polymer Processing Society, July 2006. PDF

“Experimental and Numerical Investigation of The Elongational Viscosity Effects in a Coat Hanger Die”, Y. Sun and M. Gupta, Society of Plastics Engineers Annual Technical (ANTEC) Papers, 2005, Vol. 51, 81 - 85. PDF

“Effect of Elongational Viscosity on the Flow in a Spiral Die”, Y. Sun and M. Gupta, Society of Plastics Engineers Annual Technical (ANTEC) Papers, 2004, Vol. 50, 86 - 90. PDF

“Optimization of a Flat Die Geometry”, Y. Sun and M. Gupta, Society of Plastics Engineers Annual Technical (ANTEC) Papers, 2004, Vol. 50, 3307 - 3311. PDF

“An Analysis of the Effect of Elongational Viscosity on the Flow in a Flat Die”, Y. Sun and M. Gupta, Society of Plastics Engineers Annual Technical (ANTEC) Papers, 2003, Vol. 49, 290 - 294. PDF

“Effect of Elongational Viscosity on the Flow in a Flat Die”, Y. Sun and M. Gupta, International Polymer Processing Journal, 2003, Vol. 18, 356 - 361. PDF

“Further Investigation of the Effect of Elongational Viscosity on Entrance Flow”, D. Sarkar and M. Gupta, Journal of Reinforced Plastics and Composites, 2001, Vol. 20, 1473 - 1484. PDF

“Simulation of Planar Entrance Flow Using Strain-Rate-Dependent Shear and Elongational Viscosities”, M. Gupta, Journal of Reinforced Plastics and Composites, 2001, Vol. 20, 341-355. PDF

“Effect of Elongational Viscosity on Axisymmetric Entrance Flow of Polymers”, M. Gupta, Polymer Engineering & Science, January 2000, Vol. 40, 23-35. PDF

“Effect of Elongational Viscosity on Die Design for Plastic Extrusion”, M. Gupta, Society of Plastics Engineers Annual Technical (ANTEC) Papers, May 1999, Vol. 45, 83-87. PDF

“Entrance Flow Simulation using Elongational Properties of Plastics”, M. Gupta, Society of Plastics Engineers Annual Technical (ANTEC) Papers, May 1999, Vol. 45, 1254-1259. PDF

Melting in Screw Extruders

“Three-Dimensional Finite Element Simulation of Polymer Melting in a Single-Screw Extruder”, A. Altinkaynak, M. Gupta, M. A. Spalding and S. L. Crabtree, Annual Meeting of Polymer Processing Society, July 2006. PDF

Twin-Screw Extruders

“Simulation of Distributive and Dispersive Mixing in a Co-rotating Twin-Screw Extruder”, L.Cong and M. Gupta, Society of Plastics Engineers Annual Technical (ANTEC) Papers, May 2008, Vol. 54, 300 – 304. PDF

“Non-isothermal Simulation of the Flow in Co-rotating and Counter-rotating Twin-Screw Extruders using Mesh Partitioning Technique”, M. Gupta, Society of Plastics Engineers Annual Technical (ANTEC) Papers, May 2008, Vol. 54, 316 – 320. PDF

“Mixing of Pigmented Polymers in a Co-rotating Twin-Screw Extruder”, L. Cong and M. Gupta, Annual Meeting of Polymer Processing Society, July 2006. PDF

“Simulation of Polymeric Flow in a Twin Screw Extruders: an Analysis of the Elongational Viscosity Effects”, A. Shah and M. Gupta, Society of Plastics Engineers Annual Technical (ANTEC) Papers, 2003, Vol. 49, 322 - 326. PDF

“Elongational Flow in Multiple Screw Extruders”, J. E. Loukus, A. C. Halonen and M. Gupta, Society of Plastics Engineers Annual Technical (ANTEC) Papers, 2004, Vol. 50, 133 - 137. PDF

“Comparison of the Flow in Co-rotating and Counter-rotating Twin-screw Extruders” A. Shah and M. Gupta, Society of Plastics Engineers Annual Technical (ANTEC) Papers, 2004, Vol. 50, 443 - 447. PDF

Elongational Viscosity Estimation

“Elongational Viscosity of LDPEs and Polystyrenes using Entrance Loss Data”, K. Walczak, M. Gupta, K. A. Koppi, J. Dooley, and M. A. Spalding, Polymer Engineering and Science, February 2008, Vol. 48, 223 – 232. PDF

“Comparison of Axisymmetric and Planar Elongational Viscosities of a Low Density Polyeth­ylene”, P. Beaupre and M. Gupta, Society of Plastics Engineers Annual Technical (ANTEC) Papers, 2002, Vol. 48, 892-896. PDF

“A Comparison of Axisymmetric and Planar Elongational Viscosities of a Low Density Polyethylene”, P. Beaupre and M. Gupta, International Polymer Processing Journal, 2002, Vol. 17, 370 - 375. PDF

“Estimation of Elongational Viscosity of Polymers From Entrance Loss data Using Individual parameter Optimization”, M. Gupta, Advances in Polymer Technology, 2002, Vol. 21, 98 - 107. PDF

“Estimation of Elongational Viscosity of Polymers for Accurate Prediction of Juncture Losses in Injection Molding”, M. Gupta, Society of Plastics Engineers Annual Technical (ANTEC) Papers, May 2001, Vol. 47, 794-798. PDF

“Estimation of Elongational Viscosity Using Entrance Flow Simulation”, D. Sarkar and M. Gupta, in CAE and Related Innovations for Polymer Processing”, L.S. Turng, H. P. Wang, K. Ramani and A. Bernard (Eds.), November 2000, ASME MD-Vol. 90, 309-318. PDF

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