Development of a Design Methodology for a Centrifugal Compressor with the Utilization of CFD

Aytaç, Zeynep; Yücel, Nuri̇

doi:10.2339/politeknik.658358

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2023

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Cited by 2 publications

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“…76.7%. It was reported in the literature that the strength increased up to a certain point with increased γ′ volume fraction [14], [25][26][27]. The fact that the γ′ volume fraction and strength of the G turbine disc were higher than the P rotor indicates that it is consistent with the literature.…”

Section: Sem-eds Analysissupporting

confidence: 87%

Investigation Mechanical and Microstructural Behavior of Operated and Unoperated Turbine Rotor Discs

KART

ÖZGÜL

2023

Politeknik Dergisi

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Section: Sem-eds Analysissupporting

confidence: 87%

Investigation Mechanical and Microstructural Behavior of Operated and Unoperated Turbine Rotor Discs

KART

ÖZGÜL

2023

Politeknik Dergisi

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“…Currently, in centrifugal compressor design and manufacturing practice computational fluid dynamics methods (CFD) are used to calculate and analyze a viscous three-dimensional turbulent flow in the flow part. CFD methods are used for fine-tuning existing designs of compressors and power engineering equipment in order to increase efficiency [2][3][4]. For this purpose, multivariate optimization can be used to obtain a Pareto set of optimal solutions.…”

Section: Introductionmentioning

confidence: 99%

Verification and Validation of CFD Modeling for Low-Flow-Coefficient Centrifugal Compressor Stages

et al. 2021

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In this paper, the numerical model of a centrifugal compressor low-flow stage is verified. The gaps and labyrinth seals were simulated in the numerical model. The task was to determine the optimal settings for high-quality modeling of the low-flow stages. The intergrid interface application issues, turbulence and roughness models are considered. The obtained numerical model settings are used to validate seven model stages for the range of the optimal conditional flow coefficient with Φopt = 0.008–0.018 and the conditional Mach number Mu = 0.785–0.804. The simulation results are compared with the experimental data. The high pressure stage-7 (HPS-7) stage with Φopt = 0.010 and Mu = 0.60 at different inlet pressure of 4, 10 and 40 atm is considered separately. Acceptable validation results are obtained with the recommended numerical model settings; the modeling uncertainty for the polytropic pressure coefficient δη*pol < 4% for the efficiency coefficient δη*pol exceeds the limit of 4% only in the two most low-flow stages, U and V.

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Development of a Design Methodology for a Centrifugal Compressor with the Utilization of CFD

Abstract: Bu makaleye şu şekilde atıfta bulunabilirsiniz(To cite to this article): Aytaç F. Z. and Yücel N., "Development of a design methodology for a centrifugal compressor with the utilization of CFD",

Cited by 2 publications

References 6 publications

Investigation Mechanical and Microstructural Behavior of Operated and Unoperated Turbine Rotor Discs

Investigation Mechanical and Microstructural Behavior of Operated and Unoperated Turbine Rotor Discs

Verification and Validation of CFD Modeling for Low-Flow-Coefficient Centrifugal Compressor Stages

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