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Transcritical Flow over a Ramp in an Open Channel

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Abstract

Steady free-surface flows over an elongated obstacle located on the channel bottom are studied theoretically and experimentally. For determining the free-surface shape and the main flow parameters, the first and second shallow-water approximations are used. In the second approximation, a solution describing a smooth transition from the subcritical to superctitical flow is found. A mathematical model of the hydraulic jump behind the ramp is constructed. The results of the mathematical modeling are compared with experimental data.

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Authors
  1. V. I. Bukreev
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  2. A. V. Gusev
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  3. V. Yu. Lyapidevskii
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Bukreev, V.I., Gusev, A.V. & Lyapidevskii, V.Y. Transcritical Flow over a Ramp in an Open Channel. Fluid Dynamics 37, 896–902 (2002). https://doi.org/10.1023/A:1022348229361

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  • DOI: https://doi.org/10.1023/A:1022348229361

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