Vibration Analysis of Aeroengine Compressor Blade-Disc Coupling System

2009 ◽  
Vol 16-19 ◽  
pp. 264-268 ◽  
Author(s):  
Wei Qiang Zhao ◽  
Yong Xian Liu ◽  
Mo Wu Lu
Keyword(s):  
Optimal Design ◽  
Dynamic Characteristics ◽  
Vibration Analysis ◽  
Compressor Blade ◽  
Analysis Method ◽  
Safety Verification ◽  
Coupling System ◽  
Characteristics Analysis ◽  
Cyclic Symmetric ◽  
Symmetric Structures

This paper introduces the FEA method for cyclic symmetric structures and makes an vibration characteristics analysis to a certain aeroengine compressor blade-disc coupling system based on this method. According to the anslysis results the dynamic characteristics of the blade-disc coupling system are discussed. The analysis method and results in this paper can be used for further study on optimal design and vibration safety verification for the blade-disc coupling system.

Vibration Analysis of Aeroengine Turbine Blade-Disc Coupling System

2013 ◽  
Vol 327 ◽  
pp. 276-279
Author(s):  
Wei Qiang Zhao ◽  
Yong Xian Liu
Keyword(s):  
Optimal Design ◽  
Turbine Blade ◽  
Dynamic Characteristics ◽  
Vibration Analysis ◽  
Analysis Method ◽  
Safety Verification ◽  
Coupling System ◽  
Characteristics Analysis ◽  
Cyclic Symmetric ◽  
Symmetric Structures

This paper introduces the FEA method for cyclic symmetric structures and makes an vibration characteristics analysis to a certain type of aeroengine turbine blade-disc coupling system based on this method. According to the analysis results, the dynamic characteristics of the blade-disc coupling system are discussed. The analysis method and results in this paper can be used for further study on optimal design and vibration safety verification for the turbine blade-disc coupling system.

Vibration Characteristics Analysis of an Aero-Engine Turbine Blade

2012 ◽  
Vol 487 ◽  
pp. 894-897
Author(s):  
Wei Qiang Zhao ◽  
Yong Xian Liu ◽  
Mo Wu Lu ◽  
Qing Jun Guo
Keyword(s):  
Optimal Design ◽  
Turbine Blade ◽  
Dynamic Characteristics ◽  
Natural Frequencies ◽  
Vibration Characteristics ◽  
Mode Shapes ◽  
Vibration Characteristic ◽  
Analysis Method ◽  
Aero Engine ◽  
Characteristics Analysis

This paper introduces the FEA method for a certain type of aero-engine turbine blade and makes a vibration characteristics analysis to this aero-engine turbine blade based on this method. The vibration characteristic of this aero-engine turbine blade is studied and the natural modal of the turbine blade is calculated based on UG software. The first six natural frequencies and mode shapes are given. According to the analysis results the dynamic characteristics of the blade are discussed. The analysis method and results in this paper can be used for further study on optimal design and vibration safety verification for the blade.

FEA on Vibration Characteristics of a Shrouded Turbine Blade

2012 ◽  
Vol 189 ◽  
pp. 443-447
Author(s):  
Wei Qiang Zhao ◽  
Yong Xian Liu ◽  
Mo Wu Lu
Keyword(s):  
Optimal Design ◽  
Modal Analysis ◽  
Turbine Blade ◽  
Dynamic Characteristics ◽  
Natural Frequencies ◽  
Vibration Characteristics ◽  
Mode Shapes ◽  
Software Environment ◽  
Aero Engine ◽  
Characteristics Analysis

This paper introduces a FEA method for vibration characteristics analysis of an aero-engine shrouded turbine blade and makes an actual modal analysis of this shrouded blade based on this method in UG software environment. The first six natural frequencies and mode shapes of this shrouded blade are calculated. And also, the dynamic characteristics of the shrouded turbine blade are discussed in detail according to the analysis results. The FEA method and the vibration characteristics analysis results in the paper can be used for optimal design and vibration safety verification of this aero-engine shrouded turbine blade.

The Dynamic Characteristics Analysis of Liaocheng Guangyue Tower

2015 ◽  
Vol 744-746 ◽  
pp. 920-923
Author(s):  
Zhao Bo Meng ◽  
Yu Cao ◽  
Jie Jin
Keyword(s):  
Numerical Analysis ◽  
Dynamic Characteristics ◽  
Natural Vibration ◽  
Damping Ratio ◽  
Analysis Method ◽  
Vibration Period ◽  
Incentive Effect ◽  
First Order ◽  
Characteristics Analysis ◽  
Dynamic Characteristics Analysis

Taking Liaocheng Guangyue tower as an example, based on the on-site measurements, to determine its dynamic characteristics and provide a basis by numerical analysis method for determining traffic incentive effect on the ancient timber buildings. From the research, we can conclude that the first-order self-vibration frequency of Guangyue tower can be taken as 1.638Hz, the corresponding natural vibration period is 0.61s,the damping ratio is 1.098.

FEA on Vibration Characteristics of a Gas Turbine Blade-Disc

2012 ◽  
Vol 516-517 ◽  
pp. 731-734 ◽  
Author(s):  
Wei Qiang Zhao ◽  
Yong Xian Liu ◽  
Mo Wu Lu
Keyword(s):  
Optimal Design ◽  
Gas Turbine ◽  
Turbine Blade ◽  
Natural Frequencies ◽  
Vibration Characteristics ◽  
Natural Mode ◽  
Analysis Method ◽  
Gas Turbine Blade ◽  
Natural Modes ◽  
Characteristics Analysis

This paper introduces a FEA method for vibration characteristics analysis of blade-disc structure and makes a modal analysis of a certain gas turbine blade-disc based on this method. The natural frequencies and natural modes of this blade-disc are obtained and also vibration characteristics of each natural mode and corresponding influence on gas turbine blade-disc and other components are discussed in detail. The analysis method and analysis results presented in this paper are helpful for further research on optimal design and vibration safety verification for this gas turbine blade-disc.

SOME STUDIES ON FREE VIBRATION ANALYSIS OF CYCLIC SYMMETRIC STRUCTURES USING SUBSPACE METHOD

1993 ◽  
Vol 10 (3) ◽  
pp. 279-286
Author(s):  
P. BALASUBRAMANIAN ◽  
J.G. JAGADEESH ◽  
H.K. SUHAS ◽  
V. RAMAMURTI
Keyword(s):  
Free Vibration ◽  
Vibration Analysis ◽  
Free Vibration Analysis ◽  
Subspace Method ◽  
Cyclic Symmetric ◽  
Symmetric Structures

Free-vibration analysis of cyclic symmetric structures

1991 ◽  
Vol 7 (2) ◽  
pp. 131-139 ◽  
Author(s):  
P. Balasubramanian ◽  
J. G. Jagadeesh ◽  
H. K. Suhas ◽  
V. Ramamurti
Keyword(s):  
Free Vibration ◽  
Vibration Analysis ◽  
Free Vibration Analysis ◽  
Cyclic Symmetric ◽  
Symmetric Structures

Vibration Characteristics Analysis of an Aeroengine Compressor Disc

2013 ◽  
Vol 327 ◽  
pp. 280-283
Author(s):  
Wei Qiang Zhao ◽  
Yong Xian Liu
Keyword(s):  
Optimal Design ◽  
Natural Frequencies ◽  
Vibration Characteristics ◽  
Dynamical Analysis ◽  
Mode Shapes ◽  
Analysis Method ◽  
Aero Engine ◽  
Characteristics Analysis ◽  
Engine Compressor ◽  
Free Status

This paper introduces the FEA method for vibration characteristics analysis of a certain type of aero-engine compressor disc. Natural modal analysis for dynamical analysis is made and the results can be used as criterion of many dynamics characteristics and further analysis. In this paper, the natural modal of an aero-engine compressor disc with the joint hole fully constrained and in free status is calculated respectively. And the first ten natural frequencies and mode shapes are obtained. Also, vibration characteristics of each natural modal and the corresponding influence on the compressor disc and other structure are discussed. The analysis method and results in this paper can be used for further study on optimal design and vibration safety verification for the compressor disc system.

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