LES-IB Study of Mixing Enhancement by Polygonal Orifices and Wavy Walls

A. Tyliszczak, M. Ksiezyk, Bernardus J. Geurts

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    Abstract

    Control of mixing in turbulent flow may lead to considerable improvement of efficiency, safety and performance of various technological devices. In so-called passive control methods, shapes of control elements (bluff-bodies, swirlers, etc.) are often a result of trial-and-error based on geometrical modifications. In the present study we apply passive control to enhance mixing of fuel issuing from a pipe into a hot co-flowing stream. Near the outlet of the pipe plates with polygonal orifices are mounted. The role of these objects is to intensify mixing of large and small scales which potentially will lead to better mixing characteristics between the fuel and co-flow downstream of the pipe exit.

    Original languageEnglish
    Title of host publicationDirect and Large-Eddy Simulation X
    EditorsDimokratis G.E. Grigoriadis, Bernard J. Geurts, Jochen Frölich, Vincenzo Armenio
    PublisherSpringer
    Pages367-372
    Number of pages6
    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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