| Application of Finite Difference Method to Calculating Flow Field in Extrusion Runner of Curved Rubber Hose |
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| DOI： |
| Key Words: curved rubber hose；extrusion flow field；finite difference method；bicylindrical coordinates；eccentric annular region；rectanglar region |
| Author Name | Affiliation | | He Hong | Beijing University of Chemical Technology |
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| Abstract: |
| The flow field of a power-law fluid in extrusion runner of curved rubber hose was calculated with the finite difference method.The results showed that as for calculating the axial laminar flow of power-law fluid，the bicylindrical coordinates could be chosen to transform the eccentric annular region to the simple rectanglar region；the flow velocity ratio of the wide and narrow sides in curved hose could be obtained by alculating the velocity field using plane finite difference method；and the calculated results were basically in accordance with the measured ones. |
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