• جزئیات بیشتر مقاله
    • تاریخ ارائه: 1391/11/03
    • تاریخ انتشار در تی پی بین: 1391/11/03
    • تعداد بازدید: 656
    • تعداد پرسش و پاسخ ها: 0
    • شماره تماس دبیرخانه رویداد: -
     one of the most important discharge control ways is side weir. semi-circular side weir can be an solution for increasing discharge coefficient cm. in present research the semi-circular side weir has been studied to find the influence of hydraulic and geometry variables on the cm value. furthermore semi-circular side weir has been compared with labyrinth side weir with a beak angle 90° . 105 experimental tests were conducted on the semi-circular and labyrinth side weir. upstream froude number and discharge coefficient were calculated. the results showed that semi-circular side weir has higher coefficient value in comparison with rectangular side weir and labyrinth side weir when beak  angle is90°. an inverse relationship between cm value and was found. also increase in dimensionless height of weir (w/y1) was causes the cm value enhances.

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