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    Vibration and Stability of Helical Pipes Conveying Fluid

    Source: Journal of Pressure Vessel Technology:;1987:;volume( 109 ):;issue: 004::page 402
    Author:
    C.-N. Fan
    ,
    W.-H. Chen
    DOI: 10.1115/1.3264923
    Publisher: The American Society of Mechanical Engineers (ASME)
    Abstract: This paper presents an accurate finite element procedure for the vibration and stability analysis of helical pipe conveying fluid. The kinematics of the helical pipe are derived including the effects of arbitrary curvatures and torsions in a nonorthogonal helical coordinate system. The equations of motion are derived from the Hamilton’s principle for mass transport system and the shear deformation and rotary inertia are also considered. The 3-node space-curved isoparametric element is used. The natural frequencies, mode shapes and critical flow velocities of buckling are studied for different end conditions. The significant influence of torsion effects on the calculation of natural frequencies and critical flow velocities is found. To demonstrate the validity and accuracy of the techniques developed, several numerical examples are illustrated.
    keyword(s): Fluids , Stability , Pipes , Vibration , Flow (Dynamics) , Frequency , Shapes , Shear deformation , Kinematics , Buckling , Torsion , Equations of motion , Rotational inertia , Hamilton's principle AND Finite element analysis ,
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      Vibration and Stability of Helical Pipes Conveying Fluid

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    http://yetl.yabesh.ir/yetl1/handle/yetl/102877
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    contributor authorC.-N. Fan
    contributor authorW.-H. Chen
    date accessioned2017-05-08T23:25:29Z
    date available2017-05-08T23:25:29Z
    date copyrightNovember, 1987
    date issued1987
    identifier issn0094-9930
    identifier otherJPVTAS-28294#402_1.pdf
    identifier urihttp://yetl.yabesh.ir/yetl/handle/yetl/102877
    description abstractThis paper presents an accurate finite element procedure for the vibration and stability analysis of helical pipe conveying fluid. The kinematics of the helical pipe are derived including the effects of arbitrary curvatures and torsions in a nonorthogonal helical coordinate system. The equations of motion are derived from the Hamilton’s principle for mass transport system and the shear deformation and rotary inertia are also considered. The 3-node space-curved isoparametric element is used. The natural frequencies, mode shapes and critical flow velocities of buckling are studied for different end conditions. The significant influence of torsion effects on the calculation of natural frequencies and critical flow velocities is found. To demonstrate the validity and accuracy of the techniques developed, several numerical examples are illustrated.
    publisherThe American Society of Mechanical Engineers (ASME)
    titleVibration and Stability of Helical Pipes Conveying Fluid
    typeJournal Paper
    journal volume109
    journal issue4
    journal titleJournal of Pressure Vessel Technology
    identifier doi10.1115/1.3264923
    journal fristpage402
    journal lastpage410
    identifier eissn1528-8978
    keywordsFluids
    keywordsStability
    keywordsPipes
    keywordsVibration
    keywordsFlow (Dynamics)
    keywordsFrequency
    keywordsShapes
    keywordsShear deformation
    keywordsKinematics
    keywordsBuckling
    keywordsTorsion
    keywordsEquations of motion
    keywordsRotational inertia
    keywordsHamilton's principle AND Finite element analysis
    treeJournal of Pressure Vessel Technology:;1987:;volume( 109 ):;issue: 004
    contenttypeFulltext
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