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Energy dissipation of slot-type flip buckets

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Abstract

The energy dissipation is a key index in the evaluation of energy dissipation elements. In the present work, a flip bucket with a slot, called the slot-type flip bucket, is theoretically and experimentally investigated by the method of estimating the energy dissipation. The theoretical analysis shows that, in order to have the energy dissipation, it is necessary to determine the sequent flow depth h1 and the flow speed V1 at the corresponding position through the flow depth h2 after the hydraulic jump. The relative flow depth h2 / ho is a function of the approach flow Froude number Fro, the relative slot width b/Bo, and the relative slot angle θ/β. The expression for estimating the energy dissipation is developed, and the maximum error is not larger than 9.21%.

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Authors and Affiliations

  1. College of Water Conservancy and Hydropower Engineering, Hohai University, Nanjing, 210098, China

    Jian-hua Wu  (吴建华) & Shu-fang Li  (李书芳)

  2. College of Water Conservancy and Hydropower Engineering, Hebei University of Engineering, Handan, 056000, China

    Shu-fang Li  (李书芳) & Fei Ma  (马飞)

Authors
  1. Jian-hua Wu  (吴建华)
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  2. Shu-fang Li  (李书芳)
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  3. Fei Ma  (马飞)
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Corresponding author

Correspondence to Jian-hua Wu  (吴建华).

Additional information

Project supported by the National Natural Science Foundation of China (Grant Nos. 51579076, 51479057).

Biography: Jian-hua Wu (1958-), Male, Ph. D., Professor

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Wu, Jh., Li, Sf. & Ma, F. Energy dissipation of slot-type flip buckets. J Hydrodyn 30, 365–368 (2018). https://doi.org/10.1007/s42241-018-0022-9

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  • DOI: https://doi.org/10.1007/s42241-018-0022-9

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