Method for checking and analyzing numerical value of moving blade of steam turbine

The invention discloses a method for checking and analyzing numerical value of a moving blade of a steam turbine, which comprises the following steps of: performing static vibration characteristic measurement and data analysis on a steam turbine moving blade, surveying and mapping a three-dimensiona...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: YU XIAOBING, XUE CHAOYIN, NING ZHE, GU WEIWEI, ZHANG YONGHAI, JU WENPING
Format: Patent
Sprache:chi ; eng
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Beschreibung
Zusammenfassung:The invention discloses a method for checking and analyzing numerical value of a moving blade of a steam turbine, which comprises the following steps of: performing static vibration characteristic measurement and data analysis on a steam turbine moving blade, surveying and mapping a three-dimensional molded line of the steam turbine moving blade, and establishing a three-dimensional model of the steam turbine moving blade, a cyclic symmetric three-dimensional model of a gear train and a corresponding finite element numerical model; carrying out numerical calculation and judgment analysis on the centrifugal stress of the steam turbine moving blade under different working conditions according to the material attributes of the steam turbine moving blade; carrying out numerical calculation, analysis and evaluation on static and dynamic vibration characteristics of a single steam turbine moving blade and a wheel train; and finally, carrying out comprehensive evaluation on a steam turbine moving blade numerical che