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    Wave Propagation and Instability in a Circular Semi-Infinite Liquid Jet Harmonically Forced at the Nozzle

    Source: Journal of Applied Mechanics:;1978:;volume( 045 ):;issue: 003::page 469
    Author:
    D. B. Bogy
    DOI: 10.1115/1.3424347
    Publisher: The American Society of Mechanical Engineers (ASME)
    Abstract: The linearized form of the inviscid, one-dimensional Cosserat jet equations derived by Green [6] are used to study wave propagation in a circular jet with surface tension. The frequency spectra are shown for complex wave numbers for a complete range of Weber numbers. The propagation characteristics of the waves are studied in order to determine which branches of the frequency spectra to use in the semi-infinite jet problem with harmonic forcing at the nozzle. Two of the four branches are eliminated by a radiation condition that energy must be outgoing at infinity; the remaining two branches are used to satisfy the nozzle boundary conditions. The variation of the jet radius along its length is shown graphically for various Weber numbers and forcing frequencies. The stability or instability is explained in terms of the behavior of the two propagating phases.
    keyword(s): Wave propagation , Nozzles , Bifurcation , Spectra (Spectroscopy) , Waves , Boundary-value problems , Equations , Frequency , Radiation (Physics) , Stability AND Surface tension ,
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      Wave Propagation and Instability in a Circular Semi-Infinite Liquid Jet Harmonically Forced at the Nozzle

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    http://yetl.yabesh.ir/yetl1/handle/yetl/90633
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    contributor authorD. B. Bogy
    date accessioned2017-05-08T23:04:05Z
    date available2017-05-08T23:04:05Z
    date copyrightSeptember, 1978
    date issued1978
    identifier issn0021-8936
    identifier otherJAMCAV-26098#469_1.pdf
    identifier urihttp://yetl.yabesh.ir/yetl/handle/yetl/90633
    description abstractThe linearized form of the inviscid, one-dimensional Cosserat jet equations derived by Green [6] are used to study wave propagation in a circular jet with surface tension. The frequency spectra are shown for complex wave numbers for a complete range of Weber numbers. The propagation characteristics of the waves are studied in order to determine which branches of the frequency spectra to use in the semi-infinite jet problem with harmonic forcing at the nozzle. Two of the four branches are eliminated by a radiation condition that energy must be outgoing at infinity; the remaining two branches are used to satisfy the nozzle boundary conditions. The variation of the jet radius along its length is shown graphically for various Weber numbers and forcing frequencies. The stability or instability is explained in terms of the behavior of the two propagating phases.
    publisherThe American Society of Mechanical Engineers (ASME)
    titleWave Propagation and Instability in a Circular Semi-Infinite Liquid Jet Harmonically Forced at the Nozzle
    typeJournal Paper
    journal volume45
    journal issue3
    journal titleJournal of Applied Mechanics
    identifier doi10.1115/1.3424347
    journal fristpage469
    journal lastpage474
    identifier eissn1528-9036
    keywordsWave propagation
    keywordsNozzles
    keywordsBifurcation
    keywordsSpectra (Spectroscopy)
    keywordsWaves
    keywordsBoundary-value problems
    keywordsEquations
    keywordsFrequency
    keywordsRadiation (Physics)
    keywordsStability AND Surface tension
    treeJournal of Applied Mechanics:;1978:;volume( 045 ):;issue: 003
    contenttypeFulltext
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