Systematic Exploration of Rotor Design and Optimization in Twin-Screw Compressors
[Purposes]This paper aims to summarize the latest advances in rotor design and optimization,gap regulation,and structural strength analysis for twin-screw compressors,providing theoretical and technical guidance for improving compressor performance.[Methods]NURBS curves and cubic B-splines were employed to optimize rotor profiles,introducing the theory of free curves and control point optimization to reduce leakage,enhance sealing performance,and increase compression efficiency.Pixel-based gap arrangement,abradable coating technology,and fluid-thermal-solid coupling analysis were utilized to optimize rotor gaps and enhance compressor performance.The impact of gas forces,ther-mal stresses,material properties,rotational speed,and temperature on rotor strength and deformation was analyzed,leading to recommendations for rational material selection,pressure/speed combinations,and gap design strategies.[Findings]Optimized designs significantly improved the sealing performance and compression efficiency of the rotors,gap regulation technology effectively reduced leakage,and struc-tural strength analysis clarified the critical role of material selection and design parameters in rotor per-formance.[Conclusions]These studies provide robust technical support for the efficient and stable op-eration of twin-screw compressors,playing a significant role in promoting industry technological innova-tion and performance enhancement.
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