The mistuning effects on the aero-elastic stability of axial compressor rotor blades have been investigated by employing aero-elastic eigenvalue method. An axial compressor rotor suffered from flutter failure has been analyzed with four intentional mistuning patterns and their sensitivities to random mistuning. Through a comparison of four intentional mistuning patterns, the mistuning mechanism of improving aero-elastic stability may be understood from the combining effects of frequency offset and the destruction of periodicity by the introduction of mistuning. Increasing the amount of alternate mistuning cannot provide any additional improving effects on the aero-elastic stability when the mistuning amount reaches a critical value. However, the further mistuning effects can be obtained by placing several groups (isolation zone) with additional frequency offset relative to the alternately mistuned system. The random mistuning can always improve the aero-elastic stability of the tuned system. However, for the intentionally mistuned system, the inclusion of random mistuning with a small level may weaken the improving effects of intentional mistuning and even makes the system unstable.
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October 2015
Research-Article
Mistuning Effects on Aero-elastic Stability of Axial Compressor Rotor Blades
Yanrong Wang,
Yanrong Wang
Collaborative Innovation Center
for Advanced Aero-Engine,
School of Energy and Power Engineering,
e-mail: yrwang@buaa.edu.cn
for Advanced Aero-Engine,
School of Energy and Power Engineering,
Beihang University
,37 Xueyuan Road, Haidian District
,Beijing 100191
, China
e-mail: yrwang@buaa.edu.cn
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Zhizhong Fu,
Zhizhong Fu
Collaborative Innovation Center
for Advanced Aero-Engine,
School of Energy and Power Engineering,
e-mail: buaaxiaochuang@163.com
for Advanced Aero-Engine,
School of Energy and Power Engineering,
Beihang University
,37 Xueyuan Road, Haidian District
,Beijing 100191
, China
e-mail: buaaxiaochuang@163.com
Search for other works by this author on:
Xianghua Jiang,
Xianghua Jiang
1
Collaborative Innovation Center
for Advanced Aero-Engine,
School of Energy and Power Engineering,
e-mail: jxh@buaa.edu.cn
for Advanced Aero-Engine,
School of Energy and Power Engineering,
Beihang University
,37 Xueyuan Road, Haidian District
,Beijing 100191
, China
e-mail: jxh@buaa.edu.cn
1Corresponding author.
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Aimei Tian
Aimei Tian
School of Astronautics,
e-mail: amtian@buaa.edu.cn
Beijing University of Aeronautics and Astronautics
,37 Xueyuan Road, Haidian District
,Beijing 100191
, China
e-mail: amtian@buaa.edu.cn
Search for other works by this author on:
Yanrong Wang
Collaborative Innovation Center
for Advanced Aero-Engine,
School of Energy and Power Engineering,
e-mail: yrwang@buaa.edu.cn
for Advanced Aero-Engine,
School of Energy and Power Engineering,
Beihang University
,37 Xueyuan Road, Haidian District
,Beijing 100191
, China
e-mail: yrwang@buaa.edu.cn
Zhizhong Fu
Collaborative Innovation Center
for Advanced Aero-Engine,
School of Energy and Power Engineering,
e-mail: buaaxiaochuang@163.com
for Advanced Aero-Engine,
School of Energy and Power Engineering,
Beihang University
,37 Xueyuan Road, Haidian District
,Beijing 100191
, China
e-mail: buaaxiaochuang@163.com
Xianghua Jiang
Collaborative Innovation Center
for Advanced Aero-Engine,
School of Energy and Power Engineering,
e-mail: jxh@buaa.edu.cn
for Advanced Aero-Engine,
School of Energy and Power Engineering,
Beihang University
,37 Xueyuan Road, Haidian District
,Beijing 100191
, China
e-mail: jxh@buaa.edu.cn
Aimei Tian
School of Astronautics,
e-mail: amtian@buaa.edu.cn
Beijing University of Aeronautics and Astronautics
,37 Xueyuan Road, Haidian District
,Beijing 100191
, China
e-mail: amtian@buaa.edu.cn
1Corresponding author.
Contributed by the Structures and Dynamics Committee of ASME for publication in the JOURNAL OF ENGINEERING FOR GAS TURBINES AND POWER. Manuscript received February 13, 2015; final manuscript received March 18, 2015; published online May 6, 2015. Editor: David Wisler.
J. Eng. Gas Turbines Power. Oct 2015, 137(10): 102504 (12 pages)
Published Online: October 1, 2015
Article history
Received:
February 13, 2015
Revision Received:
March 18, 2015
Online:
May 6, 2015
Citation
Wang, Y., Fu, Z., Jiang, X., and Tian, A. (October 1, 2015). "Mistuning Effects on Aero-elastic Stability of Axial Compressor Rotor Blades." ASME. J. Eng. Gas Turbines Power. October 2015; 137(10): 102504. https://doi.org/10.1115/1.4030280
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