One-Dimensional Equations Governing Single-Cavity Die Design

AIChE Journal

Volumn 42, Issue 9, 1996, Pages 2401-2414

  Weinstein, Steven J ^a   Ruschak, Kenneth J ^a  

^a EASTMAN KODAK COMPANY   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

DIFFERENTIAL EQUATIONS; FLOW OF FLUIDS; INTEGRAL EQUATIONS; MATHEMATICAL MODELS; PRESSURE; VELOCITY;

APPROXIMATE VELOCITY FIELDS; MASS CONSERVATION EQUATION; MOMENTUM EQUATION; ONE DIMENSIONAL EQUATIONS; SINGLE CAVITY DIE;

EXTRUSION DIES;

CAVITIES; FLOW;

EID: 0030238351     PISSN: 00011541     EISSN: None     Source Type: Journal    
DOI: 10.1002/aic.690420902     Document Type: Article

References (25)

1. Atkinson, B., M. P. Brocklebank, C. C. Card, and J. M. Smith, "Low Reynolds Number Developing Flows," AIChE J., 15(4), 548 (1969).
2. Bird, R. B., R. C. Amstrong, and O. Hassager, Dynamics of Polymeric Liquids, Vol. 1, Wiley, New York (1977).
3. Carley, J. F., "Flow of Melts in Crosshead-Slit Dies; Criteria for Die Design," J. Appl. Phys., 25(9), 1118 (1954).
4. Durst, F., U. Lange, and H. Raszillier, "Optimization of Distribution Chambers of Coating Facilities," Chem. Eng. Sci., 49(2), 161 (1994).
5. Fox, R. W., and A. T. McDonald, Introduction to Fluid Mechanics, Wiley, New York (1992).
6. Huang, J. C. P., and H. S. Yu, "Pressure Distribution in Porous Ducts of Arbitrary Cross Section," J. Fluids Eng. Trans. ASME, 95, 342 (1973).
7. Lee, K. Y., and T. J. Liu, "Design and Analysis of a Dual-Cavity Coat-Hanger Die," Poly. Eng. Sci., 29(15), 1066 (1989).
8. Leonard, W. K., "Inertia and Gravitational Effects in Extrusion Dies for Non-Newtonian Fluids," Poly. Eng. Sci., 25(9), 570 (1985).
9. Liu, T. J., "Fully Developed Flow of Power-Law Fluids in Ducts," Ind. Eng. Chem. Fundam., 22(2), 183 (1983).
10. Liu, T. J., C. N. Hong, and K. C. Chen, "Computer-Aided Analysis of Linearly Tapered Coat-Hanger Die," Poly. Eng. Sci., 28(23), 1517 (1988).
11. Liu, T. J., and C. N. Hong, "The Pressure Drop/Flow Rate Equation for Non-Newtonian Flow in Channels of Irregular Cross-Section," Poly. Eng. Sci., 28(23), 1559 (1988).
12. Lundgren, T. S., E. M. Sparrow, and J. B. Starr, "Pressure Drop Due to the Entrance Region in Ducts of Arbitrary Cross Section," J. Basic Eng., Trans. ASME, Series D, 86(3), 620 (1964).
13. McKelvey, J. M., and K. Ito, "Uniformity of Row from Sheeting Dies," Poly. Eng. Sci., 11(3), 258 (1971).
14. Miller, C., "Predicting Non-Newtonian Flow Behavior in Ducts Of Unusual Cross Section," Ind. Eng. Chem. Fundam., 11(4), 524 (1972).
15. Nguyen, K. T., and M. R. Kamal, "Blow Molding Die Design for Non-axisymmetric Parison Extrusion," Poly. Eng. Sci., 30(23), 1537 (1990).
16. Pearson, J. R. A., "Non-Newtonian Flow and Die Design," Trans. J. Plast. Inst., 32, 239 (1964).
17. Sartor, L., "Slot Coating: Fluid Mechanics and Die Design," PhD Thesis, Univ. of Minnesota, Minneapolis, (1990).
18. Schlichting, H., Boundary Layer Theory, 7th ed., McGraw-Hill, New York (1979).
19. Vrahopoulou, E. P., "A Model for Flow in Dies," Chem. Eng. Sci., 46(2), 629 (1991).
20. Vrahopoulou, E. P., "Flow Distortions around Particles between Parallel Walls with Application to Streak Formation in Slide-coating Methods," Chem. Eng. Sci., 47(5), 1027 (1992).
21. Wang, Y., "The Flow Distribution of Molten Polymers in Slit Dies and Coathanger Dies through Three-dimensional Finite Element Analysis," Poly. Eng. Sci., 31(3), 204 (1991a).
22. Wang, Y., "Extrusion of Rubber Compounds and Highly Filled Thermoplastics through Coathanger Dies," Inter. Poly. Process., 4, 311 (1991b).
23. Wen, S. H., and T. J. Liu, "Three-dimensional Finite Element Analysis of Polymeric Fluid Flow in an Extrusion Die. Part I: Entrance Effect," J. Appl. Poly. Sci., 34(10), 827 (1994).
24. Wu, P. Y., T. J. Liu, and H. M. Chang, "Design of an Extrusion Die with a Variable Choker Bar," J. Appl. Poly. Sci., 51, 1005 (1994).
25. Yuan, S. L., "A Flow Model for Non-Newtonian Liquids Inside a Slot Die," Poly. Eng. Sci., 35(7), 577 (1995).