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    Statistical Analysis of Turbulent Two-Phase Pipe Flow

    Source: Journal of Fluids Engineering:;1990:;volume( 112 ):;issue: 001::page 89
    Author:
    S. K. Wang
    ,
    S. J. Lee
    ,
    O. C. Jones
    ,
    R. T. Lahey
    DOI: 10.1115/1.2909374
    Publisher: The American Society of Mechanical Engineers (ASME)
    Abstract: The statistical characteristics of turbulent two-phase pipe flow have been evaluated. In particular, the autocorrelation functions and the power spectral density functions of the axial turbulence fluctuations in the liquid phase were determined. The high frequency content of the power spectrum in bubbly two-phase pipe flow was found to be significantly larger than in single-phase pipe flow and, in agreement with previous studies of homogeneous two-phase flows (Lance et al., 1983), diminished asymptotically with a characteristic −8/3 slope at high frequency. The power spectrum and the autocorrelation functions in two-phase pipe flow, although distinctively different from those in single-phase pipe flow, were insensitive to the local void fraction and the mean liquid velocity when plotted against wave number and spatial separation, respectively. Finally, the dissipation scale, determined from the shape of the autocorrelation function, indicated that the turbulent dissipation rate in two-phase pipe flow was significantly greater than that in single-phase pipe flow.
    keyword(s): Turbulence , Pipe flow , Statistical analysis , Functions , Energy dissipation , Spectra (Spectroscopy) , Separation (Technology) , Waves , Fluctuations (Physics) , Spectral energy distribution , Two-phase flow , Porosity AND Shapes ,
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    • Statistics

      Statistical Analysis of Turbulent Two-Phase Pipe Flow

    URI
    http://yetl.yabesh.ir/yetl1/handle/yetl/107130
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    • Journal of Fluids Engineering

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    contributor authorS. K. Wang
    contributor authorS. J. Lee
    contributor authorO. C. Jones
    contributor authorR. T. Lahey
    date accessioned2017-05-08T23:33:00Z
    date available2017-05-08T23:33:00Z
    date copyrightMarch, 1990
    date issued1990
    identifier issn0098-2202
    identifier otherJFEGA4-27047#89_1.pdf
    identifier urihttp://yetl.yabesh.ir/yetl/handle/yetl/107130
    description abstractThe statistical characteristics of turbulent two-phase pipe flow have been evaluated. In particular, the autocorrelation functions and the power spectral density functions of the axial turbulence fluctuations in the liquid phase were determined. The high frequency content of the power spectrum in bubbly two-phase pipe flow was found to be significantly larger than in single-phase pipe flow and, in agreement with previous studies of homogeneous two-phase flows (Lance et al., 1983), diminished asymptotically with a characteristic −8/3 slope at high frequency. The power spectrum and the autocorrelation functions in two-phase pipe flow, although distinctively different from those in single-phase pipe flow, were insensitive to the local void fraction and the mean liquid velocity when plotted against wave number and spatial separation, respectively. Finally, the dissipation scale, determined from the shape of the autocorrelation function, indicated that the turbulent dissipation rate in two-phase pipe flow was significantly greater than that in single-phase pipe flow.
    publisherThe American Society of Mechanical Engineers (ASME)
    titleStatistical Analysis of Turbulent Two-Phase Pipe Flow
    typeJournal Paper
    journal volume112
    journal issue1
    journal titleJournal of Fluids Engineering
    identifier doi10.1115/1.2909374
    journal fristpage89
    journal lastpage95
    identifier eissn1528-901X
    keywordsTurbulence
    keywordsPipe flow
    keywordsStatistical analysis
    keywordsFunctions
    keywordsEnergy dissipation
    keywordsSpectra (Spectroscopy)
    keywordsSeparation (Technology)
    keywordsWaves
    keywordsFluctuations (Physics)
    keywordsSpectral energy distribution
    keywordsTwo-phase flow
    keywordsPorosity AND Shapes
    treeJournal of Fluids Engineering:;1990:;volume( 112 ):;issue: 001
    contenttypeFulltext
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