Comparison of DNS of Compressible and Incompressible Turbulent Droplet-Laden Heated Channel Flow with Phase Transition

A. Bukhvostova, E. Russo, Johannes G.M. Kuerten, Bernardus J. Geurts

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    Abstract

    Multiphase flows in which a large number of small droplets are dispersed in a gas, play an important role in a variety of applications. At sufficiently high mass and volume fraction the presence of the dispersed droplet phase directly modulates the flow through the exchange of momentum with the gas (Appl Sci Res 52, 309–329 (1994)) [1]. Dispersed multiphase flows may in addition show effects arising from phase transition. Turbulent spray cooling is an example in which the effect of phase transition is exploited to enhance the desired cooling rate (Int Heat Mass Transfer 41, 2601–2617(1997)) [2]. In this contribution we study turbulent flow in a differentially heated plane channel in which the dispersed droplet phase is treated as a discrete set of point particles whose motion in the carrier gas flow is tracked.

    Original languageEnglish
    Title of host publicationDirect and Large-Eddy Simulation X
    EditorsDimokratis G.E. Grigoriadis, Bernard J. Geurts, Jochen Frölich, Vincenzo Armenio
    PublisherSpringer
    Pages181-187
    Number of pages7
    Volume24
    ISBN (Electronic)978-3-319-63212-4
    ISBN (Print)978-3-319-63211-7
    DOIs
    Publication statusPublished - 2018
    Event10th ERCOFTAC Workshop on Direct and Large-Eddy Simulation X, DLES 2015 - University of Cyprus, Nicosia, Cyprus
    Duration: 27 May 201529 May 2015
    Conference number: 10

    Publication series

    NameERCOFTAC Series
    ISSN (Print)1382-4309

    Workshop

    Workshop10th ERCOFTAC Workshop on Direct and Large-Eddy Simulation X, DLES 2015
    Abbreviated titleDLES
    CountryCyprus
    CityNicosia
    Period27/05/1529/05/15

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