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Aerodynamic design process of multi - stage axial flow compressor usuallyuses the way that combines the S2 flow design and three-dimensional CFDnumerical simulation analysis. Based on Mr. Wu Zhonghua's " Three-dimensionalflow theory ", aiming at the S2 flow design matching parameters and thethree-dimensional CFD numerical simulation data, through autonomousprogramming, the S2 design parameter distribution and the corresponding CGNSformat CFD calculation results are extracted. Then make the comparativeanalysis of the two and provide the modification suggestion of the design. Theexamples have been tested by the comparison and correction of the eight-stageaxial flow compressor calculation and finally improve the design performance ofthe compressor design. The design adiabatic efficiency increases by 0.5%. Thesurge margin increases by more than 5%. The validity and feasibility of themethod are verified.

Study on S2 Flow Path Design and Three-dimensional Numerical Simulation Parameter Calibration in Axial Compressor