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Authors: V. Matveev ; G. Popov ; E. Goriachkin and O. Baturin

Affiliation: Department of Aircraft Engine Theory, Samara National Research University, 34 Moskovskoe highway, Samara, Russian Federation

Keyword(s): Aircraft Engine, Two-Shaft Core Engine, Flow Path, Compressor, Turbine.

Abstract: Description of formation process of two-dimensional scheme of flow path of a two-shaft core engine turbomachinery of aviation gas turbine engine is presented. There were three steps in the design. The first step includes rational distribution of specific work and pressure ratio in the core engine between intermediate and high-pressure compressors, as well as the pressure ratio between high and intermediate-pressure turbines. At the second step we select the rotational speed of the high-pressure cascade and determine the main structural-geometrical cascade parameters in the meridional plane. At the third step the rotation frequency of the intermediate-pressure cascade and the main structural-geometric parameters of the intermediate pressure cascade with a transition duct between compressor compartments are determined. The excess of the middle diameter of the intermediate-pressure compressor over the middle diameter of the high-pressure compressor and introduction of the transition duc t between them into the scheme of the compressor flow path of the core engine is justified. Applying of a diagonal turbine in an intermediate-pressure cascade is proposed. The axial length of the flow path channels between compressors and turbines was chosen considering the influence of the duct opening angle on hydraulic losses and mass-dimensional characteristics of the core engine. (More)

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Paper citation in several formats:
Matveev, V., Popov, G., Goriachkin, E. and Baturin, O. (2024). Algorithm of Forming the Appearance of the Flow Path of Turbomachinery of Two-Shaft Aircraft Engine Core. In Proceedings of the 14th International Conference on Simulation and Modeling Methodologies, Technologies and Applications - SIMULTECH; ISBN 978-989-758-708-5; ISSN 2184-2841, SciTePress, pages 223-228. DOI: 10.5220/0012717800003758

@conference{simultech24,
author={V. Matveev and G. Popov and E. Goriachkin and O. Baturin},
title={Algorithm of Forming the Appearance of the Flow Path of Turbomachinery of Two-Shaft Aircraft Engine Core},
booktitle={Proceedings of the 14th International Conference on Simulation and Modeling Methodologies, Technologies and Applications - SIMULTECH},
year={2024},
pages={223-228},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0012717800003758},
isbn={978-989-758-708-5},
issn={2184-2841},
}

TY - CONF

JO - Proceedings of the 14th International Conference on Simulation and Modeling Methodologies, Technologies and Applications - SIMULTECH
TI - Algorithm of Forming the Appearance of the Flow Path of Turbomachinery of Two-Shaft Aircraft Engine Core
SN - 978-989-758-708-5
IS - 2184-2841
AU - Matveev, V.
AU - Popov, G.
AU - Goriachkin, E.
AU - Baturin, O.
PY - 2024
SP - 223
EP - 228
DO - 10.5220/0012717800003758
PB - SciTePress

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