Stability analysis of the nonisothermal film blowing process

Joo Sung Lee, Dong Myeong Shin, Hyun Wook Jung, Jae Chun Hyun

Research output: Contribution to conferencePaperpeer-review


The stability of film blowing process has been investigated using the governing equations taking care of nonisothermal nature of the process. In this study, on top of the linear stability analysis, employing a newly-devised numerical scheme, the hitherto unavailable transient solutions of film blowing dynamics have been obtained for the first time to produce temporal portrayal of draw resonance instability strikingly close to experimentally observed profiles. Many interesting aspects of the film blowing stability have also been revealed including multiple steady states and their diverse stability characteristics.

Original languageEnglish
Number of pages5
Publication statusPublished - 2004
EventANTEC 2004 - Annual Technical Conference Proceedings - Chicago, IL., United States
Duration: 2004 May 162004 May 20


OtherANTEC 2004 - Annual Technical Conference Proceedings
Country/TerritoryUnited States
CityChicago, IL.


  • Draw resonance
  • Film blowing
  • OCFE
  • Stability analysis

ASJC Scopus subject areas

  • General Chemical Engineering
  • Polymers and Plastics


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