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- W2971347897 abstract "The dual-rotor system is the core component of the aero-engine, and it is very important to study dynamics characteristics for the aero-engine’s development. Based on analyzing structural characteristics of aero-engine’s rotors and considering spring characteristics of high and low pressure rotors, a novel dual-rotor dynamic coupling model is first proposed. Based on the dynamics model, natural frequencies of the low pressure rotor are analyzed by Campbell diagrams, and the coupling critical rotational speed of the low pressure rotor is obtained. Through numerical simulations, resonance curves of the dual-rotor system are obtained. It is found that the counter rotation between the low and high pressure rotors leads to the difference between amplitudes of the low pressure rotor in x and y directions, which consists with the results of mathematical analysis. The results of this study put forward new research directions to analyze complex dynamics characteristics of the dual-rotor system." @default.
- W2971347897 created "2019-09-05" @default.
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- W2971347897 date "2019-08-01" @default.
- W2971347897 modified "2023-09-26" @default.
- W2971347897 title "Research of the Dual-rotor System with Spring Characteristics" @default.
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- W2971347897 doi "https://doi.org/10.1109/icma.2019.8816331" @default.
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