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September 27, 2025Proceedings

Numerical investigation of rotating instability in a single-stage compressor with URANS and IDDES

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Authors

CTCheng TianSFSong FuSJSiya Jiang

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Overview

Numerical methods URANS and IDDES reveal mechanisms of rotating instability in compressors, indicating potential performance risks.

Key Points

  • Rotating instability presents significant risks, including high-cycle fatigue and noise in compressors.
  • Both URANS and IDDES methods validate numerical findings against experimental data in compressor behavior.
  • URANS simulations identify a tornado-like vortex structure linked to rotating instability in the compressor.
  • IDDES helps visualize finer turbulent structures, although it does not capture a coherent vortex due to convergence issues.

Cite This Study

Tian et al. (2025) studied this question.

synapsesocial.com/papers/68d7b3d4eebfec0fc52365c2https://doi.org/10.33737/gpps25-tc-121
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