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

Abstract: 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.

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