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- W2361711079 abstract "Based on 3D FE model,this article uses the FE parametric quadratic programming(PQP) method based on parametric variational principle(PVP)to analyze a turbocharger compressor with 24 blades under combined centrifugal and interference-fit loading.The advantages of the parametric pro-gramming method compared with the conventional ones are that the penalty factors can be cancelled and the solutions can be obtained directly without tedious iterative procedures like general incremental iterative method.To save computation time,a multi-substructure technique is adopted for the structural modeling to simplify the calculation and provide a convenient service to process computer aided design(CAD)by means of FE simulation.The relativities between over speeds and maximum residual stresses on compres-sor after pre-over loading technology are analyzed.The contact stress distributing and magnitude of com-pressor under working condition after pre-over loading technology is investigated.The effects of contact stress distribution and magnitude of impeller-shaft sleeve-shaft under working condition are discussed in details.It is found that nonuniform initial amount of interference in the pre-loading process can avoid the relative displacement generated and ensure uniformity of the contacting stress.This article summarizes the FEM simulation results and provides the reference data for improving design and processing of compressor impellers,indicating the necessity of pre-loading technology in compressor impeller manufacture." @default.
- W2361711079 created "2016-06-24" @default.
- W2361711079 creator A5063987833 @default.
- W2361711079 date "2010-01-01" @default.
- W2361711079 modified "2023-09-26" @default.
- W2361711079 title "Analysis and Numerical Simulation on Pre-Loading Spin Testing of Turbocharger Compressor" @default.
- W2361711079 hasPublicationYear "2010" @default.
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