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    Blocking in the Rotating Axial Flow in a Corotating Flexible Shell

    Source: Journal of Applied Mechanics:;2009:;volume( 076 ):;issue: 001::page 11001
    Author:
    F. Gosselin
    ,
    M. P. Païdoussis
    DOI: 10.1115/1.2998486
    Publisher: The American Society of Mechanical Engineers (ASME)
    Abstract: By coupling the Donnell–Mushtari shell equations to an analytical inviscid fluid solution, the linear dynamics of a rotating cylindrical shell with a corotating axial fluid flow is studied. Previously discovered mathematical singularities in the flow solution are explained here by the physical phenomenon of blocking. From a reference frame moving with the traveling waves in the shell wall, the flow is identical to the flow in a rigid varicose tube. When the ratio of rotation rate to flow velocity approaches a critical value, the phenomenon of blocking creates a stagnation region between the humps of the wall. Since the linear model cannot account for this phenomenon, the solution blows up.
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      Blocking in the Rotating Axial Flow in a Corotating Flexible Shell

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    contributor authorF. Gosselin
    contributor authorM. P. Païdoussis
    date accessioned2017-05-09T00:31:20Z
    date available2017-05-09T00:31:20Z
    date copyrightJanuary, 2009
    date issued2009
    identifier issn0021-8936
    identifier otherJAMCAV-26737#011001_1.pdf
    identifier urihttp://yetl.yabesh.ir/yetl/handle/yetl/139774
    description abstractBy coupling the Donnell–Mushtari shell equations to an analytical inviscid fluid solution, the linear dynamics of a rotating cylindrical shell with a corotating axial fluid flow is studied. Previously discovered mathematical singularities in the flow solution are explained here by the physical phenomenon of blocking. From a reference frame moving with the traveling waves in the shell wall, the flow is identical to the flow in a rigid varicose tube. When the ratio of rotation rate to flow velocity approaches a critical value, the phenomenon of blocking creates a stagnation region between the humps of the wall. Since the linear model cannot account for this phenomenon, the solution blows up.
    publisherThe American Society of Mechanical Engineers (ASME)
    titleBlocking in the Rotating Axial Flow in a Corotating Flexible Shell
    typeJournal Paper
    journal volume76
    journal issue1
    journal titleJournal of Applied Mechanics
    identifier doi10.1115/1.2998486
    journal fristpage11001
    identifier eissn1528-9036
    treeJournal of Applied Mechanics:;2009:;volume( 076 ):;issue: 001
    contenttypeFulltext
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