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  1. Article

    Assessment of the safe evacuation of people walking through flooding staircases based on numerical simulation

    A numerical model was developed to evaluate the possibility of people walking in a flooding flow on a staircase with rest platforms. Commercial software was used and validated by experimental data for flows on...

    Wei-yun Shao, Li-jie Jiang, Lei Fang in Journal of Zhejiang University-SCIENCE A (2015)

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    Article

    Hydraulic jump basins with wedge-shaped baffles

    This laboratory study deals with the hydraulic jump properties for an artificially roughened bed with wedge-shaped baffle blocks. The experiments were conducted for both smooth and rough beds with a Froude num...

    Ashraf Fathy Ellayn, Zhi-lin Sun in Journal of Zhejiang University SCIENCE A (2012)

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    Article

    Vertical distribution of sediment concentration

    A simple formula is proposed to predict the vertical distribution of a suspended load concentration in a 2D steady turbulent flow. The proposed formula significantly improves the well-known Rouse formula where...

    Sai-hua Huang, Zhi-lin Sun, Dan Xu in Journal of Zhejiang University-SCIENCE A (2008)

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    Article

    Primary instabilities and bicriticality in fiber suspensions between rotating cylinders

    The linear stability of fiber suspensions between two concentric cylinders rotating independently is studied. The modified stability equation is obtained based on the fiber orientation model and Hinch-Leal clo...

    Zhan-hong Wan, Zhi-lin Sun, Zhen-jiang You in Journal of Zhejiang University-SCIENCE A (2007)

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    Article

    Equilibrium bed-concentration of nonuniform sediment

    Knowledge of the equilibrium bed-concentration is vital to mathematical modeling of the river-bed deformation associated with suspended load but previous investigations only dealt with the reference concentrat...

    Zhi-lin Sun, Zhi-feng Sun, John Donahue in Journal of Zhejiang University-SCIENCE A (2003)