FIELD: engines and pumps.
SUBSTANCE: gas turbine engine contains a very high-speed low-pressure turbine. The ratio of the parameter determined by the product of the low pressure turbine discharge area by the low pressure turbine rotation squared velocity to the same parameter of the high pressure turbine is approximately from 0.5 to 1.5. The high-pressure turbine is mounted on a low-pressure turbine with an intermediate support.
EFFECT: increased efficiency of the gas turbine engine, especially under the air compressibility effect.
20 cl, 3 dwg
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