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February 12, 2026Physics of Fluids

Experimental investigation of the performance and surge approaching characteristics of a two-stage centrifugal air compressor for a fuel cell system

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Authors

RHRong HeXZXiaocheng ZhuJYJie Yang

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Overview

Experimental tests reveal surge development and performance in a two-stage compressor for fuel cells, suggesting safety measures.

Key Points

  • This research aims to investigate the performance and surge behaviors of a two-stage centrifugal air compressor used in fuel cell systems.
  • Conducted tests on compressor performance under low-speed operating conditions.
  • Utilized high-response sensors to capture stage performance and dynamic pressure traces.
  • Analyzed surge development from stable operation to surge conditions.
  • Vibration under surge conditions is not highly destructive for the small compressor.
  • The high-pressure stage is more susceptible to surge due to interactions between stages.
  • Self-recovering surge progression identified, indicating pressure fluctuations can revert to stability.
  • A low-frequency peak of 15.73 Hz observed during surge progression, close to surge frequencies.

Cite This Study

He et al. (2026) studied this question.

synapsesocial.com/papers/698d6eeb5be6419ac0d54e0chttps://doi.org/10.1063/5.0310470
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Also Consider

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  1. 1Experimental investigation of surge characteristics in a centrifugal compressor at different surge conditions2026
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  4. 4Experimental Characterisation of Surge Cycles and Second Quadrant Operation for a Centrifugal Compressor2024
  5. 5Analytical modeling and performance improvement of an electric two-stage centrifugal compressor for fuel cell vehicles2024