Aerodynamic improvement of GTE compressors by space profiling of blade vanes

Abstract


The optimum spatial profiling of blade vanes of GTE compressor stages is considered on the basis of calculation of a three-dimensional viscid stream. The simultaneous varying of geometrical parameters of blades and blade cascades in their profiling substantially accelerates the procedure of parametric optimization. As an integral criterion of minimization of different types of hydraulic losses the efficiency of compressor stages is used. The coefficient of hydraulic resistance is shown to decrease as compared to the initial vane, in a wide range of incidence angles, as a result of experimental research of the optimized output straight vane cascade of a stationary GTE compressor.


About the authors

V. P. Gerasimenko

National Aerospace University named after N.Y. Zhukovsky “KhAI”, Kharkov

Author for correspondence.
Email: boyko@d2.khai.edu

Ukraine

Doctor of Sciences (Engineering), Professor

M. Y. Shelkovsky

SE “Zorya”-“Mashproect”, Nikolayev

Email: maikl-shelkovsky@rambler.ru

Ukraine

Engineer

References

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