Research on Optimization Design Method for the Remanufacturing Impeller of Clear Water Centrifugal Pump
For the widely existing centrifugal pumps with numerous quantities,low efficiency,outdated structures,possibly be eliminated,this paper explores effective approaches for the optimized design of their impellers through remanufacturing.Based on the combination of ANSYS Workbench and CFturbo,the study proposes a method for parametric simulation modeling and optimization design of the impeller.Utilizing the response surface optimization module in ANSYS Workbench,with head not less than that of the original pump as a constraint and efficiency as the objective function,41 groups of experiments using the Latin hypercube sampling method are designed.Then the study establishes a response surface proxy model based on the Kriging model and uses the MOGA algorithm to optimize the low-speed centrifugal pump.The research results indicate that applying this method to a specific low-speed centrifugal pump,under constant head conditions,resulted in a 2.11%improvement in efficiency.The optimized redesign and remanufacture of the impeller for clear water centrifugal pumps provides a valuable reference for enhancing the operational efficiency of centrifugal pumps.
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