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Determination of the effective length of sand traps in hydroelectric plants

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Hydrotechnical Construction Aims and scope

Conclusions

  1. 1.

    The method recommended in the norms TUiN 24-110-48 for determining the length of the effective portions of sand traps yields excessively large dimensions of these structures in comparison with those required, especially for high values of the settlement probability of the sediments (W0>85%), and does not take into account their nonuniform distribution with flow depth.

  2. 2.

    The method proposed in this article reflects more accurately the process of settlement of sediment in the sand traps and does not have the above-mentioned shortcomings.

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Literature Cited

  1. TUiN 24-110-48, Sand Traps for Hydroelectric Plants [in Russian], Gosénergoizdat, Moscow (1948).

  2. D. Ya. Sokolov, Sedimentation Basins [in Russian] Sel'khozgiz, Moscow (1945).

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  3. V. B. Dul'nev, Abrasion of Francis Turbines and Methods of Preventing It [in Russian], Énergiya, Moscow (1962).

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  4. U. T. B. Khippolo, “Settlement of sediment in sand traps at hydroelectric plants,” Candidate Dissertation [in Russian], V. V. Kuibyshev Moscow Civil Engineering Institute (MISI) (1967).

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Translated from Gidrotekhnicheskoe Stroitel'stvo, No. 6, pp. 28–31, June, 1973.

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Mikhailov, I.E. Determination of the effective length of sand traps in hydroelectric plants. Hydrotechnical Construction 7, 553–559 (1973). https://doi.org/10.1007/BF02376395

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  • DOI: https://doi.org/10.1007/BF02376395

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