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Pipe Flow and Wall Turbulence Using a Modified Navier-Stokes Equation

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F44555601%3A13520%2F12%3A43883888" target="_blank" >RIV/44555601:13520/12:43883888 - isvavai.cz</a>

  • Result on the web

    <a href="http://www.iop.org/EJ/journal/ctp" target="_blank" >http://www.iop.org/EJ/journal/ctp</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1088/0253-6102/57/3/22" target="_blank" >10.1088/0253-6102/57/3/22</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Pipe Flow and Wall Turbulence Using a Modified Navier-Stokes Equation

  • Original language description

    We use a derived incompressible modified Navier-Stokes equation to model pipe flow and wall turbulence. We reproduce the observed flattened paraboloid velocity profiles of turbulence that cannot be obtained directly using standard incompressible Navier-Stokes equation. The solutions found are in harmony with multi-valued velocity fields as a definition of turbulence. Repeating the procedure for the flow of turbulent fluid between two parallel flat plates we find similar flattened velocity profiles. We extend the analysis to the turbulent flow along a single wall and compare the results with experimental data and the established controversial von Karman logarithmic law of the wall

  • Czech name

  • Czech description

Classification

  • Type

    J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)

  • CEP classification

    BE - Theoretical physics

  • OECD FORD branch

Result continuities

  • Project

  • Continuities

    N - Vyzkumna aktivita podporovana z neverejnych zdroju

Others

  • Publication year

    2012

  • Confidentiality

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

Data specific for result type

  • Name of the periodical

    Communications in theoretical physics

  • ISSN

    0253-6102

  • e-ISSN

  • Volume of the periodical

    57

  • Issue of the periodical within the volume

    3

  • Country of publishing house

    GB - UNITED KINGDOM

  • Number of pages

    5

  • Pages from-to

    477-481

  • UT code for WoS article

    000301920000022

  • EID of the result in the Scopus database