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    Laminar and turbulent analytical dam break wave modelling on dry-downstream open channel flow

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    Pu_et_al_FMRIJ.pdf (783.5Kb)
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    Publication date
    2018-09
    Author
    Taha, T.
    Lateef, A.O.A.
    Pu, Jaan H.
    Keyword
    Laminar model
    Turbulent model
    Free surface profile
    Open channel flow
    Dam break wave
    Dry bed
    Method of characteristics
    Rights
    © 2018 Taha et al. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and build upon your work non-commercially.
    Peer-Reviewed
    Yes
    
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    Abstract
    A dam break wave caused by the discontinuity in depth and velocity of a flow is resulted from instantaneous release a body of water from a channel and classified naturally as a rapidly varied unsteady flow. Due to its nature, it is hard to be accurately represented by analytical models. The aim of this study is to establish the modelling differences and complexity echelons between analytically simulated explicit laminar and turbulent dry bed dam break wave free surface profiles. An in-depth solution to the free surface profile has been provided and evaluated by representing the reported dam break flow measurements at various locations. The methodology adopted utilizes the free surface profile formulations presented by Chanson 1,2, which are developed using the method of characteristics. In order to validate the results of the presented analytical models in illustrating the dam break wave under dry bed conditions, published experimental data provided by Schoklitsch 3, Debiane 4 and Dressler 5 are used to compare and analyze the performance of the dam break waves under laminar and turbulent flow conditions.
    URI
    http://hdl.handle.net/10454/16598
    Version
    published version paper
    Citation
    Taha T, Lateef AOA and Pu JH (2018) Laminar and turbulent analytical dam break wave modelling on dry-downstream open channel flow. Fluid Mechanics Research International Journal. 2(5): 177-180.
    Link to publisher’s version
    https://www.medcrave.com/articles/det/16347/Laminar-and-turbulent-analytical-dam-break-wave-modelling-on-dry-downstream-open-channel-flow
    Type
    Article
    Collections
    Engineering and Informatics Publications

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