August 17, 2025Open Access

Effect of Impeller Design on the Performance of a Small-Scale Regenerative Blower With Semi-Circular Side-Channel and Rotor Cross-Sections

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Pressure differentials increase in side-channel blowers with specific impeller designs, enhancing performance.
Experiments and simulations indicate that while some turbulence models overestimate pressure rise, others provide better accuracy.
The k-ω SST turbulence model proved more reliable compared to RSM and DDES for capturing performance metrics.
Understanding these dynamics can lead to innovations in blower design, essential for medical and industrial applications.

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This analysis reveals how impeller design impacts pressure differences in side-channel blowers, suggesting potential efficiency improvements.

Kirchhof et al. (2025) studied this question.

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This analysis reveals how impeller design impacts pressure differences in side-channel blowers, suggesting potential efficiency improvements.