Simulation and Experimental Study on Rotor System Dynamic Analysis with the Blade-Coating Rubbing Faults | Zendy

Xin Lu | Zendy; Jie Tang | Zendy; Liwen Wang | Zendy

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Simulation and Experimental Study on Rotor System Dynamic Analysis with the Blade-Coating Rubbing Faults

Author(s) -

Xin Lu,

Jie Tang,

Liwen Wang

Publication year - 2021

Publication title -

shock and vibration

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.418

H-Index - 45

eISSN - 1875-9203

pISSN - 1070-9622

DOI - 10.1155/2021/2442760

Subject(s) - rubbing , casing , rotor (electric) , materials science , coating , blade (archaeology) , vibration , helicopter rotor , tip clearance , structural engineering , shroud , composite material , mechanical engineering , engineering , acoustics , physics

In the modern turbo-machinery, reducing the clearance between the blade tip and casing inner face is an effective method to improve the power performance, but the clearance reduction leads to increased risk of blade-casing rubbing. In this paper, a blade-coating rubbing force model which considered the abradable coating scraping is developed to simulate the rotor system dynamic characteristics at blade-casing rubbing faults with abradable coating. An experimental tester is established to simulate the rotor system blade-casing rubbing faults; the AlSi-ployphenyl ester abradable coating is prepared and introduced into the blade-casing experiment to verify the model. After the vibration and force analysis in simulation and experiment, the dynamic characteristics and the influence factors of blade-casing rubbing rotor system are studied.

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