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August 22, 2026Journal of VibroengineeringOpen Access

Performance analysis of asymmetric variable diameter base circle involute vortex profile

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Authors

HLHao LiZZZhiyuan ZhangWLWeikang Liu

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Overview

Modeling study demonstrates improved compression efficiency and reduced structural size in vortex compressors for portable oxygen systems, highlighting benefits for compact mechanical designs.

Key Points

  • To evaluate the structural and mechanical performance of an asymmetric variable diameter base circle involute vortex compressor profile designed for portable oxygen systems.
  • Derived the volume calculation formula for a variable diameter base circle involute vortex disc with inner and outer profile angles using the normal equidistant method.
  • Constructed an asymmetric variable diameter base circle involute disc model with equal content product ratio and evaluated performance against a standard asymmetric circular involute design.
  • Under identical compression ratios, the proposed profile reduced structural size by 7.58%, decreased area utilization by 7.47%, and lowered internal gas forces.
  • Under identical structural dimensions, the model increased suction volume by 8.98% and elevated the compression ratio by 16.3%.

Cite This Study

Li et al. (2026) studied this question.

synapsesocial.com/papers/6a895eeeca7ade938187d1c7https://doi.org/10.21595/jve.2026.26092
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