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Study on the flow field of the air jet from dual slot die in the melt blowing process
Author(s) -
Chen Ting,
Huang Xiubao
Publication year - 2001
Publication title -
polymer engineering and science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.503
H-Index - 111
eISSN - 1548-2634
pISSN - 0032-3888
DOI - 10.1002/pen.10797
Subject(s) - die (integrated circuit) , vortex , jet (fluid) , materials science , flow (mathematics) , mechanics , field (mathematics) , process (computing) , dual (grammatical number) , head (geology) , mechanical engineering , physics , engineering , computer science , nanotechnology , mathematics , geology , geomorphology , pure mathematics , operating system , art , literature
The possibility of describing the jet from the dual slot die in the melt blowing process with a vortex pair was studied according to the nature of the vortex. A model of the synthesis of two jets was developed. The reliability of the model was confirmed by experimental data cited from literature. The prediction of the fiber diameter using this model coincided with that using the fitted equation with the data advanced by Harpham and Shambaugh. The effects of the equipment parameters, such as the angle between the air flow and the axis of the spinneret, the width of the die head and the width of the slot were also discussed.

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