The loose lashing wire grouped blade, all blades of which are linked by a loose lashing wire, is a kind of damped blade. The linear analysis method cannot be used for the dynamic analysis of loose lashing wire grouped blade because of the contact between loose lashing wire and blades. A non-linear dynamic analysis method is advanced and an application of the method to a kind of loose lashing wire grouped blade is shown in this paper. First, the nonlinear transient dynamic analysis and maximum entropy spectrum analysis methods for loose lashing wire grouped blade are studied. Then, an algorithm to calculate the dynamical stress of loose lashing wire grouped blade with transient dynamical analysis method is proposed. The proposed method provides a useful numerical calculating method for the calculation of dynamical frequency and dynamical stress of loose lashing wire grouped blades.
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ASME 2005 Power Conference
April 5–7, 2005
Chicago, Illinois, USA
Conference Sponsors:
- Power Division
ISBN:
0-7918-4182-0
PROCEEDINGS PAPER
A Dynamic Analysis for the Loose Lashing Wire Grouped Blade
Shan Chai,
Shan Chai
Shandong University of Technology, Zibo, Shandong, P. R. China
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Xianyue Gang,
Xianyue Gang
Shandong University of Technology, Zibo, Shandong, P. R. China
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Yigang Sun,
Yigang Sun
Hangzhou Industrial Steam Turbine Institute, Hangzhou, Zhejian, P. R. China
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Ensun Yu
Ensun Yu
Hangzhou Industrial Steam Turbine Institute, Hangzhou, Zhejian, P. R. China
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Shan Chai
Shandong University of Technology, Zibo, Shandong, P. R. China
Xianyue Gang
Shandong University of Technology, Zibo, Shandong, P. R. China
Yigang Sun
Hangzhou Industrial Steam Turbine Institute, Hangzhou, Zhejian, P. R. China
Ensun Yu
Hangzhou Industrial Steam Turbine Institute, Hangzhou, Zhejian, P. R. China
Paper No:
PWR2005-50162, pp. 465-472; 8 pages
Published Online:
October 27, 2008
Citation
Chai, S, Gang, X, Sun, Y, & Yu, E. "A Dynamic Analysis for the Loose Lashing Wire Grouped Blade." Proceedings of the ASME 2005 Power Conference. ASME 2005 Power Conference. Chicago, Illinois, USA. April 5–7, 2005. pp. 465-472. ASME. https://doi.org/10.1115/PWR2005-50162
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