Influence of Shaft Torsional Stiffness on Dynamic Response of Four-Stage Main Transmission System

Dynamic response analysis has potential for increasing fatigue life of the components in the transmission of a multistage main transmission system. The calculated data can demonstrate the influence of shaft torsional stiffness on dynamic characteristics of the system. Detecting key shafts of the sys...

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Bibliographic Details
Published in:Mathematical problems in engineering 2018-01, Vol.2018 (2018), p.1-12
Main Authors: Xiong, Y. P., Jin, Guanghu, Zhu, Rupeng, Chen, Yuan
Format: Article
Language:English
Subjects:
Acoustics
Differential equations
Dynamic characteristics
Dynamic models
Dynamic response
Failure analysis
Fatigue life
Helicopter design
Helicopters
Performance enhancement
Sensitivity analysis
Stiffness
Torsion
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Summary:Dynamic response analysis has potential for increasing fatigue life of the components in the transmission of a multistage main transmission system. The calculated data can demonstrate the influence of shaft torsional stiffness on dynamic characteristics of the system. Detecting key shafts of the system and analyzing their sensitivity are important for the design of four-stage helicopter gear box. Lumped mass method is applied for dynamic modeling and Fourier method is used to solve differential equation of the system. Results of the analysis indicate that key shafts can be designed carefully to improve the performance of the transmission system.
ISSN:1024-123X
1563-5147
DOI:10.1155/2018/6141035