On the effect of boundary vibration on poiseuille flow of an elastico-viscous liquid

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Abstract

The longitudinal and orthogonal superposition of boundary driven, small strain, oscillatory shear flow and steady Poiseuille flow is investigated. Boundary oscillations are of different frequencies and amplitudes and are represented by sinusoidal waveforms. A regular perturbation in terms of the amplitude of the oscillations is used. The flow field is determined up to and including third order for a simple fluid of multiple integral type with fading memory. Flow enhancement effects dependent on material parameters, mean pressure gradient, and amplitude and frequency of the boundary waves are predicted and closed form formulas derived for the mass transport rate. Enhancement is determined both by the elastic and shear thinning or thickening properties of the liquid. Resonance effects are shown to take place and, in particular, mean secondary and longitudinal flows, independent of the mean pressure gradient, are shown to exist for certain frequency relationships.
Original languageEnglish
Pages (from-to)719-748
JournalJournal of Fluids and Structures
Volume6
Issue number6
DOIs
Publication statusPublished - 1992

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Pressure gradient
Shear thinning
Liquids
Steady flow
Shear flow
Flow fields
Mass transfer
Data storage equipment
Fluids

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title = "On the effect of boundary vibration on poiseuille flow of an elastico-viscous liquid",
abstract = "The longitudinal and orthogonal superposition of boundary driven, small strain, oscillatory shear flow and steady Poiseuille flow is investigated. Boundary oscillations are of different frequencies and amplitudes and are represented by sinusoidal waveforms. A regular perturbation in terms of the amplitude of the oscillations is used. The flow field is determined up to and including third order for a simple fluid of multiple integral type with fading memory. Flow enhancement effects dependent on material parameters, mean pressure gradient, and amplitude and frequency of the boundary waves are predicted and closed form formulas derived for the mass transport rate. Enhancement is determined both by the elastic and shear thinning or thickening properties of the liquid. Resonance effects are shown to take place and, in particular, mean secondary and longitudinal flows, independent of the mean pressure gradient, are shown to exist for certain frequency relationships.",
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On the effect of boundary vibration on poiseuille flow of an elastico-viscous liquid. / Dennis, Siginer.

In: Journal of Fluids and Structures, Vol. 6, No. 6, 1992, p. 719-748.

Research output: Contribution to journalArticle

TY - JOUR

T1 - On the effect of boundary vibration on poiseuille flow of an elastico-viscous liquid

AU - Dennis, Siginer

PY - 1992

Y1 - 1992

N2 - The longitudinal and orthogonal superposition of boundary driven, small strain, oscillatory shear flow and steady Poiseuille flow is investigated. Boundary oscillations are of different frequencies and amplitudes and are represented by sinusoidal waveforms. A regular perturbation in terms of the amplitude of the oscillations is used. The flow field is determined up to and including third order for a simple fluid of multiple integral type with fading memory. Flow enhancement effects dependent on material parameters, mean pressure gradient, and amplitude and frequency of the boundary waves are predicted and closed form formulas derived for the mass transport rate. Enhancement is determined both by the elastic and shear thinning or thickening properties of the liquid. Resonance effects are shown to take place and, in particular, mean secondary and longitudinal flows, independent of the mean pressure gradient, are shown to exist for certain frequency relationships.

AB - The longitudinal and orthogonal superposition of boundary driven, small strain, oscillatory shear flow and steady Poiseuille flow is investigated. Boundary oscillations are of different frequencies and amplitudes and are represented by sinusoidal waveforms. A regular perturbation in terms of the amplitude of the oscillations is used. The flow field is determined up to and including third order for a simple fluid of multiple integral type with fading memory. Flow enhancement effects dependent on material parameters, mean pressure gradient, and amplitude and frequency of the boundary waves are predicted and closed form formulas derived for the mass transport rate. Enhancement is determined both by the elastic and shear thinning or thickening properties of the liquid. Resonance effects are shown to take place and, in particular, mean secondary and longitudinal flows, independent of the mean pressure gradient, are shown to exist for certain frequency relationships.

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DO - 10.1016/0889-9746(92)90005-N

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JF - Journal of Fluids and Structures

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