Abstract
Selecting angles of attack methods in the design of blade rows (BR) in the composition of compressors and turbines are considered. A number of additions are proposed for using the generalized characteristics of blade profile gratings and A. Howell’s empirical dependencies. To verify the method, the results of factory tests, 2D and 3D CAD/ CAE-simulation of the flow, and gas-dynamic characteristics of the flow parts’ components including blowing of the blade profile gratings were used. It is shown that this method can be effectively used to optimize the geometry of the blade profile gratings in the composition of compressors and turbines and the choice of their operation modes. This allows to significantly accelerate the design and development of gas turbine engines (GTE), gas turbine drives (GTD), and power plants (PP). The proposed method can be used in the creation and use of gas turbines in power, transport, and other areas.
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