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Tolerance of cavitation damages in developing requirements for spillway surfaces at the Irgana hydroproject

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Power Technology and Engineering Aims and scope

Basic information on the in-service tunnel spillway at the Irgana HPP, and also requirements for smoothing irregularities in its surfaces in contact with the flow are presented. A method is proposed for determination of requirements for the surface of the spillway with a tolerance for cavitation damages. Results of experimental investigations and analyses are presented.

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References

  1. A. A. Nekovskii and G. L. Rubinshtein, “Construction-service spillway at the Irgana HPP — design and hydraulic investigations,” Gidrotekh. Stroit., No. 12 (2002).

  2. G. A. Vorob’ev, Cavitation Protection of Water-Development Works [in Russian], Énergoatomizdat, Moscow (1999).

  3. Hydraulic Analyses of Spillway Water-Development Works: Reference Manual [in Russian], Énergoatomizdat, Moscow (1988).

  4. I. S. Novikova and V. M. Semenkov, “Permissible irregularities on the surface of spillway structures on the condition that no cavitation corrosion exists,” in: Materials Presented at Hydraulic-Engineering Conferences and Meetings: Methods for Investigation and Hydraulic Analysis of Spillway Water-Development Works [in Russian], Izd. VNIIG im. B. E. Vedeneeva, Leningrad (1985).

  5. Recommendations for Cavitation Consideration in Designing Spillway Structures: P38–75 [in Russian], Izd. VNIIG im. B. E. Vedeneeva, Leningrad (1976).

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  7. N. I. Zharov, “Laws governing variation in longitudinal liquid velocities and hydrodynamic pressures in curvilinear water conduits,” in: Materials Presented at Hydraulic-Engineering Conferences and Meetings, Issue 120, Izd. VNIIG im. B. E. Vedeneeva, Leningrad (1978).

  8. Recommendations for Hydraulic Analysis of Spillways. Part 1. Straight-through Spillways: P18–74 [in Russian], Izd. VNIIG im. B. E. Vedeneeva (1974).

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Authors and Affiliations

  1. Irgana HPP, Daghestan, Russia

    M. A. Abdarakhmanov & V. V. Kostin

  2. JSC “Lengidroproekt”, St. Petersburg, Russia

    D. A. Nikulin

  3. JSC “VNIIG im. B. E. Vedeneeva”, St. Petersburg, Russia

    A. M. Shvainshtein, N. N. Korotkov & A. G. Shkuropat

Authors
  1. M. A. Abdarakhmanov
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  2. V. V. Kostin
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  3. D. A. Nikulin
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  4. A. M. Shvainshtein
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  5. N. N. Korotkov
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  6. A. G. Shkuropat
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Additional information

Translated from Gidrotekhnicheskoe Stroitel’stvo, No. 2, February 2011, pp. 9 – 18.

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Abdarakhmanov, M.A., Kostin, V.V., Nikulin, D.A. et al. Tolerance of cavitation damages in developing requirements for spillway surfaces at the Irgana hydroproject. Power Technol Eng 45, 100–108 (2011). https://doi.org/10.1007/s10749-011-0231-7

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  • DOI: https://doi.org/10.1007/s10749-011-0231-7

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