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Ways of improving efficiency of turbine stages having high blade height to mean diameter ratio

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Abstract

We propose an approximate method for profiling the blades of steam-turbine last stages with a high height to mean diameter ratio taking into account a variable slope along the height that allows better efficiency of the turbine unit to be obtained.

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References

  1. G. A. Filippov and Wang Jhougqi, “Calculation of Axial-Symmetric Flow in Turbomachinery Stages with a High Blade Height to Mean Diameter Ratio,” Sborn. Trydov Mosk. Energ. Inst., No. 47, 63–78 (1963).

  2. Wang Jhougqi, Turbomachinery Blade Design Systems. Lecture Series 1999-02 (Karman Institute for Fluid Dynamics, 1999).

  3. D. I. Suslov and G. A. Filippov, “An Approximate Calculation Method and Profiling of Nozzle-Vane Cascades with Curvilinear Blades,” Teploenergetika, No. 3, 72–76 (1995) [Therm. Eng., No. 3 (1995)].

  4. A. N. Tikhonov and V. Ya. Arsenin, Methods for Solving Ill-Posed Problems (Nauka, Moscow, 1974) [in Russian].

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Authors and Affiliations

  1. Moscow Power Engineering Institute (MEI), ul. Krasnokazarmennaya 14, Moscow, 111250, Russia

    G. A. Filippov

  2. All-Russia Research Institute of Nuclear Power Engineering (OAO VNIIAM), ul. Kosmonavta Volkova 6a, Moscow, 125171, Russia

    A. R. Avetisyan

Authors
  1. G. A. Filippov
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  2. A. R. Avetisyan
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Original Russian Text © G.A. Filippov, A.R. Avetisyan, 2009, published in Teploenergetika.

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Filippov, G.A., Avetisyan, A.R. Ways of improving efficiency of turbine stages having high blade height to mean diameter ratio. Therm. Eng. 56, 153–157 (2009). https://doi.org/10.1134/S0040601509020116

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  • DOI: https://doi.org/10.1134/S0040601509020116

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