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Hydrodynamic loads on an apron with cavitating dissipators

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Hydrotechnical Construction Aims and scope

Conclusions

  1. 1.

    Data on the vertical and horizontal mean and fluctuation loads on dissipators and the apron platform were obtained for several types of erosionless energy dissipators, which makes it possible to perform the required calculations of the strength and stability of structural elements in the lower pool.

  2. 2.

    The investigations showed that despite some decrease in the energy-dissipating ability of the dissipators in the presence of developed cavitation (decrease of CX) and increase of the fluctuation effects of the flow on the dissipators and apron in the case of cavitation of the dissipators, under appropriate conditions they are efficient, providing favorable operating regimes of the lower pool and reducing the volume of construction works and costs of the structure.

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Literature cited

  1. N. T. Kaveshnikov, E. I. Kitov, O. N. Chernykh, et al., Layouts of the Lower Pools of Spillways [in Russian], Kolos, Moscow (1984).

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  2. B. M. Obidov, Hydrodynamic Effects of a Flow on Apron Platforms in the presence of Cavitation on Erosionless Energy Dissipators [in Russian], Énergotomizdat, Leningrad (1985).

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  3. N. N. Rozanova and A. R. Ariel', Cavitation and Hydraulic Investigations of Erosionless Energy Dissipators [in Russian], Tr. MGMI (1983).

  4. N. N. Rozanova, Cavitation Investigations of Energy Dissipators of the Spillway of the Shamkhor Hydroelectric Station [in Russian], Tr. MGMI, Vol. 62 (1979).

  5. Recommendations on Consideration of Cavitation when Designing Spillway of Hydrotechnical Structures (II-38-75) [in Russian], Energiya, Leningrad (1976).

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Authors
  1. N. P. Rozanov
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  2. B. M. Obidov
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Additional information

Translated from Gidrotekhnicheskoe Stroitel'stvo, No. 8, pp. 12–13, August, 1987.

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Rozanov, N.P., Obidov, B.M. Hydrodynamic loads on an apron with cavitating dissipators. Hydrotechnical Construction 21, 458–460 (1987). https://doi.org/10.1007/BF01424777

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  • DOI: https://doi.org/10.1007/BF01424777

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