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Aerodynamic Investigation of the Turbine Vane Row with a Flared Flow Path

  • Aircraft and Rocket Engine Design and Development
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Abstract

The influence of a bilateral flare of the flow path of the turbine nozzle vane on the flow pattern and energy losses was investigated, a search was made for ways to improve the aerodynamic performance of a such kind of units. According to viscous flow calculations, the bilateral flared flow path affects the airfoil loading along the whole height of the vane, increasing velocities on both sides of the airfoil and the intensity of diffusion at divergent flow zones. The positive tip overlap considerably decreases energy losses in the vane.

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Authors and Affiliations

  1. A. Lyul’ka Design Bureau, ul. Kasatkina 13, Moscow, 129301, Russia

    B. I. Mamaev

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  1. B. I. Mamaev
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Correspondence to B. I. Mamaev.

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Russian Text © The Author(s), 2020, published in Izvestiya Vysshikh Uchebnykh Zavedenii, Aviatsionnaya Tekhnika, 2020, No. 1, pp. 88–92.

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Mamaev, B.I. Aerodynamic Investigation of the Turbine Vane Row with a Flared Flow Path. Russ. Aeronaut. 63, 95–100 (2020). https://doi.org/10.3103/S1068799820010134

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  • DOI: https://doi.org/10.3103/S1068799820010134

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