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On correction of profiles in the peripheral sections of turbine unshrouded rotor blades

  • Technical Notes
  • Aircraft and Rocket Engine Design and Development
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Abstract

In this paper, it is shown that the conventional design calculation of turbines with a zero radial clearance results in no large errors of the flow parameter determination and an additional decrease of an angle of flow outlet from the turbine rotor blade to compensate the real clearance influence brings the flow parameters closer to the design ones, but fails to provide any significant increase of turbine efficiency.

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Authors and Affiliations

  1. OOO Simens, Moscow, Russia

    B. I. Mamaev & I. E. Aleksakhin

Authors
  1. B. I. Mamaev
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  2. I. E. Aleksakhin
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Original Russian Text © B.I. Mamaev, I.E. Aleksakhin, 2012, published in Izvestiya VUZ. Aviatsionnaya Tekhnika, 2012, No. 3, pp. 73–76.

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Mamaev, B.I., Aleksakhin, I.E. On correction of profiles in the peripheral sections of turbine unshrouded rotor blades. Russ. Aeronaut. 55, 320–325 (2012). https://doi.org/10.3103/S1068799812030166

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  • DOI: https://doi.org/10.3103/S1068799812030166

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