Abstract
A lattice compressor impeller whose stiffness and strength can be adjusted freely between unfilled impeller and solid impeller is designed. After ensuring the better calculation accuracy of Asymptotic Homogenization (AH) method, the static performance of lattice impeller with different cell filling rate is analyzed by AH method. The results show that the stiffness and strength of the lattice impeller are between unfilled impeller and solid impeller. The lattice impeller has better circumferential anti distortion ability and higher working efficiency. At the same time, the smaller axial stress provides strength guarantee for the design of a higher speed compressor impeller.
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