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September 30, 2025Proceedings

Numerical Investigation on Rotating Instability in a Transonic Compressor Under Low Reynolds Number Conditions

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Authors

XZXinze ZhangYWYadong WuZLZhenliang Liu

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Overview

This study demonstrates the impact of Reynolds number on rotating instability in transonic compressors, indicating the mechanisms involved in low-speed flow conditions.

Key Points

  • Rotating instability develops significantly at low Reynolds number conditions, leading to aerodynamic instability.
  • Unsteady calculations reveal that the interaction between flow vortices contributes to the formation of rotating instability.
  • The study uses circumferential mode decomposition to analyze the nature of rotating instability in a transonic rotor.
  • Findings highlight that lower Reynolds numbers result in increased formation of low-frequency instabilities.

Cite This Study

Zhang et al. (2025) studied this question.

synapsesocial.com/papers/68dc1e3f8a7d58c25ebb212bhttps://doi.org/10.33737/gpps25-tc-051
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