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Cavitation erosion of turbines in the lower Dnieper hydroelectric station

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Hydrotechnical Construction Aims and scope

Conclusions

  1. 1.

    It is necessary to develop soundly-based criteria for the required immersion of turbines, with allowance for operating conditions.

  2. 2.

    When surfaces damaged by cavitation are being built up, strict control of the blade profiles is necessary. The built-up surfaces must be carefully treated, and polishing must be used in the last stage of the process.

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Literature Cited

  1. R. Kermabon and J. Tuvenin, Repairing the Rotors of Water Turbines in French Hydroelectric Power Stations [Russian translation], Gosénergoizdat (1957).

  2. L. A. Vladislavlev, Vibration of Turbine Sets in Hydroelectric Stations [in Russian], Gosénergoizdat (1962).

  3. A. E. Karavaev, Damage to Removable Segments of the Chambers of the Rotors of Variable-Pitch Water Turbines [in Russian], BTI ORGRÉS (1963).

  4. S. B. Stopskii, “An acoustic method of studying cavitation in water turbines,” in: Water Turbine Construction [in Russian], Vol. 4, Mashgiz (1957).

  5. A. M. Chistyakov, “A method of investigating cavitation ultrasound radiations” in: Topics in the Operation of Hydroelectric Stations [in Russian], Gosénergoizdat (1962).

  6. A. S. Lashkov, “Cavitation investigation in operating water turbines and models,” Élektricheskie Stantsii, No. 2 (1964).

  7. V. S. Efremenko, “Investigation of the draft tubes at the Kakhovka Hydroelectric Station,” Gidrotekhnicheskoe Stroitel’stvo, No. 3 (1963).

  8. Cavitation Phenomena in Water Turbines [in Russian], TsNTOÉP, Leningrad (1967).

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Authors
  1. V. N. Khovko
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Additional information

Translated from Gidrotekhnicheskoe Stroitel’stvo, No. 6, pp. 33–37, June, 1969.

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Khovko, V.N. Cavitation erosion of turbines in the lower Dnieper hydroelectric station. Hydrotechnical Construction 3, 537–542 (1969). https://doi.org/10.1007/BF02376301

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  • DOI: https://doi.org/10.1007/BF02376301

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