Mechanics of the Falling Plate Extensional Rheometer

Shipman, RWG.;Denn, MM.;Keunings, Roland
(1991) Journal of Non-Newtonian Fluid Mechanics — Vol. 40, n° 3, p. 281-288 (1991)

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Authors
  • Shipman, RWG.
    Author
  • Denn, MM.
    Author
  • Keunings, RolandUCLouvain
    Author
Abstract
The low-rate falling-plate extensional rheometer experiments by Sridhar and coworkers on a mobile polymer solution were simulated using a free-surface finite-element code which accounts for gravity and surface tension. There is a reverse flow near the plates which is caused by the interaction between gravitational and surface tension forces, causing a delay in the development of the uniform cylindrical column and a difference between the local and imposed extension rates during the early stages of the experiment.
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Shipman, RWG., Denn, MM., & Keunings, R. (1991). Mechanics of the Falling Plate Extensional Rheometer. Journal of Non-Newtonian Fluid Mechanics, 40(3), 281-288. https://doi.org/10.1016/0377-0257(91)87013-N (Original work published 1991)