Optimization Design of Low Solidity Diffuser for Diffuser Pump Using a Real-Coded Genetic Algorithm.

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Bibliographic Information

Other Title
  • 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
  • ジッスウガタ イデンテキ アルゴリズム オ モチイタ ショウゲンセツヒ ディフューザ ノ サイテキカ セッケイ
Published
2002
Resource Type
journal article
DOI
  • 10.11458/tsj1973.30.609
Publisher
Turbomachinery Society of Japan

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Description

This paper presents a redesign of the conventional vaned diffuser into the low solidity diffuser 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 pump 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.

Journal

  • Turbomachinery

    Turbomachinery 30 (10), 609-616, 2002

    Turbomachinery Society of Japan

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