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Rheology pp 111-116 | Cite as

Medium and Large Deborah Number Squeezing Flows

  • D. M. Binding
  • F. Avila
  • A. Maldonado
  • M. Sen

Abstract

In this paper we present the results obtained from an experimental study of ‘reverse’ squeezing flows at relatively large Deborah numbers. The test fluid is contained between two flat, horizontal, circular plates each of radius a, the lower one being fixed while the upper one is free to move vertically. For time t < 0 the separation of the plates, h(t), is maintained at the constant value h0. At t=0 a vertical force F is applied to the upper plate and we focus attention on the behaviour of h(t) as time increases. Schematic diagrams of the flow geometry and initial conditions are shown in fig. 1.

Keywords

Circular Plate Vertical Force Experimental Trace Test Region Test Fluid 
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Copyright information

© Springer Science+Business Media New York 1980

Authors and Affiliations

  • D. M. Binding
    • 1
  • F. Avila
    • 1
  • A. Maldonado
    • 1
  • M. Sen
    • 1
  1. 1.Facultad de Ingeniería, División Profesional and Division de Estudios de Posgrado Facultad de IngenieríaUniversidad Nacional Autónoma de MéxicoMéxico

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