Steady and modulated flow of an Ostwald fluid around a rotating disk - Sorbonne Université
Journal Articles Rheologica Acta Year : 1987

Steady and modulated flow of an Ostwald fluid around a rotating disk

Abstract

The solutions of the continuity equation and the equations of motion of the flow in the vicinity of a rotating disk have been established for an Ostwald fluid under steady-state conditions and in modulated flow around a mean value. Under steady-state conditions, the kinematics of the flow is scarcely dependent on the rheological parameters close to the disk, however, for n < 1 long-range effects have been put forward. For modulated flow, in the high-frequency range, a behaviour very different from that observed for a Newtonian fluid was found. In the low-frequency range an asymptotic solution has been proposed which is of special interest in mass transfer problems.

Dates and versions

hal-04642716 , version 1 (10-07-2024)

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Claude Deslouis, Bernard Tribollet. Steady and modulated flow of an Ostwald fluid around a rotating disk. Rheologica Acta, 1987, 26 (4), pp.336-342. ⟨10.1007/BF01332251⟩. ⟨hal-04642716⟩
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