実数型遺伝的アルゴリズムを用いた小弦節比ディフューザの最適化設計

概要

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This paper presents a redesign of the conventional vened diffuser into the low solidity for the maximum static pressure recovery for diffuser pump.A Bezier curve representation for profile description is coupled with a blade-to-blade flow calculation and a real-coded Genetic Algorithm.A low solidity vaned diffuser of 0.89 in solidity is obtained through the present optimization design method.Numerical analysis and experimental test are applied to evaluate the hydrodynamic performance of diffuser pimp with the designed low solidity vaned diffuser and original vaned diffuser.The obtained results demonstrate that the diffuser pump with the optimized low solidity diffuser has compact size compared with the original one while ensuring the performance requirements.
ターボ機械協会の論文
2002-10-10