Dependence of thermogasodynamic parameters of operation of a helicopter gas turbine engine on its operation and dust in the atmosphere
https://doi.org/10.29235/1561-8358-2021-66-3-307-319
Abstract
By scanning the blades of the impeller and the guide devices of the full-scale compressor of the helicopter gas turbine engine, a solid-state design model of the compressor with a tunable geometry in the height of the blades was developed. The empirical dependencies of the values of nonlinear wear of the blade of the 1st stage of the compressor on the operating time and the concentration of dust in the air are presented. A block diagram of the procedure for calculating the characteristics and parameters of a helicopter gas turbine compressor is presented. When calculating the flow in the gas–air path of the compressor, the numerical solution of the Navier–Stokes equations averaged by Reynolds, the finite element method in combination with the establishment of patterns of erosive wear of the blades depending on the operating conditions of the engine is used. Mathematical dependencies of the thermogasodynamic parameters of the helicopter gas turbine compressor operation on its operating time and the dustiness of the atmosphere are obtained using modeling. The obtained results can be used in the development of a methodology for automated monitoring of the wear condition of the compressor blades of a helicopter gas turbine engine according to its thermogasodynamic parameters, applied to various climatic operating conditions.
About the Authors
V. A. Potapov
Belarusian State Aviation Academy
Belarus
Belarus
Vyacheslav A. Potapov – Researcher at the Research Laboratory
77, Uborevich Str., 220096, Minsk
A. A. Sanko
Belarusian State Aviation Academy
Belarus
Belarus
Andrey A. Sanko – Ph. D. (Engineering), Head of the Department of Aircraft and Aviation Equipment
77, Uborevich Str., 220096, Minsk
M. V. Kudin
Belarusian State Aviation Academy
Belarus
Belarus
Maxim V. Kudin – Ph. D. (Engineering), Head of the Information Technologies Department
77, Uborevich Str., 220096, Minsk
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