Three-dimensional Effects of Turburlent Flow in an In-Line Tube Bundle

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    Abstract

    Velocities have been measured with laser Doppler anemometry between tubes in cross-flow in a small in-line tube bundle with longitudinal to transverse pitches of 1.5Dx1.8D and a Reynolds number based on mean velocity in minimum flow section of Re=30000. At most locations a single recirculation zone is found behind each tube. However, the direction of circulation changes sign along the tube with a period of about 2~tube diameters. Three different patterns of such recirculation zones have been observed. Each pattern is very stable and does not change under undisturbed flow conditions.
    Original languageEnglish
    Title of host publicationProceedings of the ninth international symposium on applications of laser techniques to fluid mechanics
    Place of PublicationLisbon
    PublisherInstituo Superior Técnico
    Publication date1998
    Publication statusPublished - 1998
    EventNinth International Symposium on Applications of Laser Techniques to Fluid Mechanics - Lisbon
    Duration: 1 Jan 1998 → …

    Conference

    ConferenceNinth International Symposium on Applications of Laser Techniques to Fluid Mechanics
    CityLisbon
    Period01/01/1998 → …

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