Abstract Computational research is carried out of the effect of geometric scatter within the manufacturing tolerances on the natural frequency values of a low pressure compressor blade. The first stage blade natural frequencies are estimated and compared considering various distribution laws of dimensions within the manufacturing tolerances. The joint approach to the blade natural frequency optimization and robust design is presented. The obtained blade design is less sensitive to geometric dimension scattering compared to the original design.


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    Title :

    Accounting for Geometric Scatter within Manufacturing Tolerances on the Natural Frequency Values of Compressor Rotor Blade during Its Detuning from Dangerous Resonances


    Contributors:

    Published in:

    Publication date :

    2019




    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English



    Classification :

    Local classification TIB:    770/7040/8000
    BKL:    55.50 Luftfahrzeugtechnik