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This study aims to optimize rotor lead curves in twin-screw air compressors to improve their performance and efficiency.

August 3, 2026Cogent EngineeringOpen Access

Parametric optimization of variable lead curves for screw rotors in twin-screw air compressors

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Randomized trial investigates optimization of rotor lead curves in twin-screw air compressors, indicating enhanced performance results.

This study aims to optimize rotor lead curves in twin-screw air compressors to improve their performance and efficiency.
Investigated multi-stage variable lead designs with fixed rotor profiles and helical section lengths.
Developed a predictive model combining radial basis function approximation and uniform experimental design.
Performed global optimization using Mathematica and validated designs through geometric analysis and efficiency evaluations.
The optimized lead curves significantly enhanced volumetric and isentropic efficiencies at various rotational speeds, improving overall performance.
Geometric analysis confirmed better gas sealing and reduced internal leakage in optimized designs.

Tran et al. (2026) studied this question.

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