Non-viscometric flows of viscoelastic fluids in round tubes driven by transversal boundary waves

Dennis A. Siginer, Yunling Li

    Research output: Contribution to journalArticle

    Abstract

    The unsteady transversal flow field in the tube flow of a memory integral fluid of order type driven by rotational boundary waves is investigated. A perturbation in terms of the amplitude of the sinusoidal boundary waves is used. Qualitative conclusions are independent of the explicit forms of the constitutive functions. Quantitative results are obtained by assuming Maxwell type of behavior for the latter. It is shown that transversal steady flows is a possibility if several rotational waves with frequencies in a certain ratio are imposed on the boundary. As a result helical steady flows may be possible in the longitudinal direction in a round tube. A parametrical study of the oscillating transversal field is presented for highly elastic and shear thinning liquids.

    Original languageEnglish
    Pages (from-to)19-27
    Number of pages9
    JournalAmerican Society of Mechanical Engineers, Aerospace Division (Publication) AD
    Volume53-2
    Publication statusPublished - 1997

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    viscoelastic fluid
    Flow of fluids
    steady flow
    Steady flow
    tubes
    fluids
    shear thinning
    Shear thinning
    unsteady flow
    Pipe flow
    flow field
    thinning
    Flow fields
    flow distribution
    perturbation
    Data storage equipment
    liquid
    Fluids
    fluid
    Liquids

    All Science Journal Classification (ASJC) codes

    • Space and Planetary Science
    • Mechanical Engineering

    Cite this

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    abstract = "The unsteady transversal flow field in the tube flow of a memory integral fluid of order type driven by rotational boundary waves is investigated. A perturbation in terms of the amplitude of the sinusoidal boundary waves is used. Qualitative conclusions are independent of the explicit forms of the constitutive functions. Quantitative results are obtained by assuming Maxwell type of behavior for the latter. It is shown that transversal steady flows is a possibility if several rotational waves with frequencies in a certain ratio are imposed on the boundary. As a result helical steady flows may be possible in the longitudinal direction in a round tube. A parametrical study of the oscillating transversal field is presented for highly elastic and shear thinning liquids.",
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    T1 - Non-viscometric flows of viscoelastic fluids in round tubes driven by transversal boundary waves

    AU - Siginer, Dennis A.

    AU - Li, Yunling

    PY - 1997

    Y1 - 1997

    N2 - The unsteady transversal flow field in the tube flow of a memory integral fluid of order type driven by rotational boundary waves is investigated. A perturbation in terms of the amplitude of the sinusoidal boundary waves is used. Qualitative conclusions are independent of the explicit forms of the constitutive functions. Quantitative results are obtained by assuming Maxwell type of behavior for the latter. It is shown that transversal steady flows is a possibility if several rotational waves with frequencies in a certain ratio are imposed on the boundary. As a result helical steady flows may be possible in the longitudinal direction in a round tube. A parametrical study of the oscillating transversal field is presented for highly elastic and shear thinning liquids.

    AB - The unsteady transversal flow field in the tube flow of a memory integral fluid of order type driven by rotational boundary waves is investigated. A perturbation in terms of the amplitude of the sinusoidal boundary waves is used. Qualitative conclusions are independent of the explicit forms of the constitutive functions. Quantitative results are obtained by assuming Maxwell type of behavior for the latter. It is shown that transversal steady flows is a possibility if several rotational waves with frequencies in a certain ratio are imposed on the boundary. As a result helical steady flows may be possible in the longitudinal direction in a round tube. A parametrical study of the oscillating transversal field is presented for highly elastic and shear thinning liquids.

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    JO - American Society of Mechanical Engineers, Aerospace Division (Publication) AD

    JF - American Society of Mechanical Engineers, Aerospace Division (Publication) AD

    SN - 0733-4230

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