Computer simulation and analysis of fountain flow in filling process of injection molding

C. S. Li, C. F. Hung, Y. K. Shen

Research output: Contribution to journalArticlepeer-review

22 Citations (Scopus)


The viscous flow in the filling stage of injection molding can be described in terms of an one-dimensional fully developed main flow and a complex two-dimensional flow near the advancing front, which is often termed the "fountain flow". The transport characteristics in the front region of the mold flow are of increasing importance in injection process of composite materials such as resin injection molding (RIM). By using of finite element method, the simulation of non-isothermal viscous flow between two isothermal parallel plates with the generalized newtonian fluid is presented in detail. The "un-folding" of the fluid particles towards the mold wall directly affects transport characteristics such as the distribution of temperature, the orientation and the concentration of molecule near the front in filling stage.

Original languageEnglish
Pages (from-to)163-173
Number of pages11
JournalJournal of Polymer Research
Issue number2
Publication statusPublished - Apr 1994
Externally publishedYes


  • Finite element method
  • Fourtain flow
  • Injection mold filling

ASJC Scopus subject areas

  • Polymers and Plastics
  • Materials Chemistry


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