Article Dans Une Revue Journal of Rheology Année : 2012

On the effectiveness of a quasistatic bubble-scale simulation in predicting the constriction flow of a two-dimensional foam

Résumé

A comprehensive set of experiments on a two-dimensional constriction flow of a foam are described. Image analysis of the flow is used to ascertain bubble shape and flow dynamics. The bubble velocity, elongation (texture), stress, and deformation rate for a reference case are used to validate a quasistatic simulation. Changes to the constriction geometry, most especially in the rounding of the corners, have a significant effect on the response of the foam, captured in both experiment and simulation. On the other hand, foam properties such as bubble size have little impact on the rheological behavior of the foam in the range considered here.

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Dates et versions

hal-00909402 , version 1 (26-11-2013)

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Sian A. Jones, S. J. Cox. On the effectiveness of a quasistatic bubble-scale simulation in predicting the constriction flow of a two-dimensional foam. Journal of Rheology, 2012, 56 (3), pp.457. ⟨10.1122/1.3687301⟩. ⟨hal-00909402⟩
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