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Dynamics of Controlled Boundary Layer Separation on a Circular Cylinder

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61388998%3A_____%2F08%3A00316671" target="_blank" >RIV/61388998:_____/08:00316671 - isvavai.cz</a>

  • Alternative codes found

    RIV/68407700:21220/08:02152228

  • Result on the web

  • DOI - Digital Object Identifier

Alternative languages

  • Result language

    angličtina

  • Original language name

    Dynamics of Controlled Boundary Layer Separation on a Circular Cylinder

  • Original language description

    Dynamical aspects of the boundary layer separation on a circular cylinder in cross-flow are studied experimentally. Two cases are compared, the base case and the case with excitation using a synthetic jet actuator. The TR-PIV technique was used to catchboth space and time velocity field correlations. Instantaneous velocity fields and skin friction distributions are evaluated. For dynamical structures study, the BOD method was applied based on energetic principle. Dynamical modes connected with vortex shedding process, dynamical excitation by synthetic jet and transition to turbulence are identified.

  • Czech name

    Dynamika odtržení řízené mezní vrstvy na válci

  • Czech description

    V práci jsou studovány dynamické aspekty odtržení mezní vrstvy na válci při řízení pomocí syntetizovaného paprsku. Pro měření je použita metoda TR-PIV. Pro analýzu korelací v časové a prostorové oblasti je potom použita metoda BOD.

Classification

  • Type

    D - Article in proceedings

  • CEP classification

    BK - Liquid mechanics

  • OECD FORD branch

Result continuities

  • Project

    Result was created during the realization of more than one project. More information in the Projects tab.

  • Continuities

    P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)<br>Z - Vyzkumny zamer (s odkazem do CEZ)

Others

  • Publication year

    2008

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Article name in the collection

    Colloquium FLUID DYNAMICS 2008

  • ISBN

    978-80-87012-14-7

  • ISSN

  • e-ISSN

  • Number of pages

    7

  • Pages from-to

  • Publisher name

    Ústav termomechaniky AV ČR, v. v. i.

  • Place of publication

    Praha

  • Event location

    Praha

  • Event date

    Oct 22, 2008

  • Type of event by nationality

    EUR - Evropská akce

  • UT code for WoS article