Validation of rheological equations for lubrication by dynamic experiments

Document Type

Article

Publication Date

12-1-2000

Abstract

Steady state experiments for determining the rheological characteristics of various non-Newtonian fluids. In particular, shear flow experiments, between cone and plate, are widely used for this purpose. In this study, it is shown that steady state experiments are not sufficient and dynamic (time dependent) experiments must be also conducted to uncover all the rheological characteristics. A squeeze-film flow between two parallel disks is shown to be a simple dynamic experiment that is suitable for viscoelastic fluids. This experiment can be used for validating of rheological constitutive equations of non-Newtonian fluids.

Identifier

0242456438 (Scopus)

Publication Title

American Society of Mechanical Engineers Fluids Engineering Division Publication FED

ISSN

08888116

First Page

51

Last Page

58

Volume

255

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