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    PIV experiment and CFD simulation of flow around cylinder

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    WANG-THESIS-2015.pdf (4.527Mb)
    Date
    2015-05
    Author
    Wang, Guangyao, Ph. D.
    0000-0002-9176-1870
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    Abstract
    This work focuses on the study of flow around cylinder with both Particle Image Velocimetry (PIV) experiment and Computational Fluid Dynamics (CFD) simulation. PIV measurements of the flow field at the downstream of the cylinder are first presented. The boundary conditions for CFD simulations are measured in the PIV experiment. Then the PIV flow is compared with both RANS (2D) and LES (3D) simulations performed with ANSYS Fluent. The velocity vector fields and time histories of velocity are analyzed. In addition, the time-averaged velocity profiles and Reynolds stresses are analyzed. It is found that, in general, LES (3D) gives a better prediction of flow characteristics than RANS (2D).
    Department
    Civil, Architectural, and Environmental Engineering
    Description
    text
    Subject
    PIV experiment
    CFD simulation
    VIV
    URI
    http://hdl.handle.net/2152/31761
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    © The University of Texas at Austin