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    Numerical Simulation of the Spreading of Aerated and Nonaerated Turbulent Water Jet in a Tank with Finite Water Depth

    Source: Journal of Hydraulic Engineering:;2014:;Volume ( 140 ):;issue: 008
    Author:
    Yakun Guo
    DOI: 10.1061/(ASCE)HY.1943-7900.0000903
    Publisher: American Society of Civil Engineers
    Abstract: Numerical simulations are carried out to investigate the spreading of two-dimensional plane turbulent aerated and nonaerated jets in a tank filled with finite water depth. A multiphase model is applied to simulate the problem under investigation. The governing equations, their numerical scheme, and the boundary conditions are presented. Aerated and nonaerated turbulent jets are simulated for a range of the jet velocity and width at exit, the initial air content at exit, and the water depth in tank. The simulated results show that a self-similar Gaussian velocity distribution exists from the distance downstream being larger than five jet slot width for both the aerated and nonaerated jets. Good agreement between the simulated velocity profiles and available laboratory experiments is obtained. The simulated slope of the jet velocity decay along the jet center line is in good agreement with the experimental measurements. The effect of air content on pressure distribution and the maximum impinging hydrodynamic pressure at the tank bottom is discussed.
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      Numerical Simulation of the Spreading of Aerated and Nonaerated Turbulent Water Jet in a Tank with Finite Water Depth

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    contributor authorYakun Guo
    date accessioned2017-05-08T22:16:58Z
    date available2017-05-08T22:16:58Z
    date copyrightAugust 2014
    date issued2014
    identifier other40079778.pdf
    identifier urihttp://yetl.yabesh.ir/yetl/handle/yetl/76122
    description abstractNumerical simulations are carried out to investigate the spreading of two-dimensional plane turbulent aerated and nonaerated jets in a tank filled with finite water depth. A multiphase model is applied to simulate the problem under investigation. The governing equations, their numerical scheme, and the boundary conditions are presented. Aerated and nonaerated turbulent jets are simulated for a range of the jet velocity and width at exit, the initial air content at exit, and the water depth in tank. The simulated results show that a self-similar Gaussian velocity distribution exists from the distance downstream being larger than five jet slot width for both the aerated and nonaerated jets. Good agreement between the simulated velocity profiles and available laboratory experiments is obtained. The simulated slope of the jet velocity decay along the jet center line is in good agreement with the experimental measurements. The effect of air content on pressure distribution and the maximum impinging hydrodynamic pressure at the tank bottom is discussed.
    publisherAmerican Society of Civil Engineers
    titleNumerical Simulation of the Spreading of Aerated and Nonaerated Turbulent Water Jet in a Tank with Finite Water Depth
    typeJournal Paper
    journal volume140
    journal issue8
    journal titleJournal of Hydraulic Engineering
    identifier doi10.1061/(ASCE)HY.1943-7900.0000903
    treeJournal of Hydraulic Engineering:;2014:;Volume ( 140 ):;issue: 008
    contenttypeFulltext
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    DSpace software copyright © 2002-2015  DuraSpace
    نرم افزار کتابخانه دیجیتال "دی اسپیس" فارسی شده توسط یابش برای کتابخانه های ایرانی | تماس با یابش
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