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Journal of Zhejiang University SCIENCE A 2003 Vol.4 No.1 P.64~68

http://doi.org/10.1631/jzus.2003.0064


Dynamic balancing of dual-rotor system with very little rotating speed difference


Author(s):  YANG Jian, HE Shi-zheng, WANG Le-qin

Affiliation(s):  The Institute of Chemical Engineering Process and Machinery, Zhejiang University, Hangzhou 310027, China

Corresponding email(s):   zdhjkz@zju.edu.cn

Key Words:  Field dynamic balancing, Dual-rotor system, Speed difference


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YANG Jian, HE Shi-zheng, WANG Le-qin. Dynamic balancing of dual-rotor system with very little rotating speed difference[J]. Journal of Zhejiang University Science A, 2003, 4(1): 64~68.

@article{title="Dynamic balancing of dual-rotor system with very little rotating speed difference",
author="YANG Jian, HE Shi-zheng, WANG Le-qin",
journal="Journal of Zhejiang University Science A",
volume="4",
number="1",
pages="64~68",
year="2003",
publisher="Zhejiang University Press & Springer",
doi="10.1631/jzus.2003.0064"
}

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%T Dynamic balancing of dual-rotor system with very little rotating speed difference
%A YANG Jian
%A HE Shi-zheng
%A WANG Le-qin
%J Journal of Zhejiang University SCIENCE A
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%I Zhejiang University Press & Springer
%DOI 10.1631/jzus.2003.0064

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T1 - Dynamic balancing of dual-rotor system with very little rotating speed difference
A1 - YANG Jian
A1 - HE Shi-zheng
A1 - WANG Le-qin
J0 - Journal of Zhejiang University Science A
VL - 4
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SP - 64
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PB - Zhejiang University Press & Springer
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DOI - 10.1631/jzus.2003.0064


Abstract: 
Unbalanced vibration in dual-rotor rotating machinery was studied with numerical simulations and experiments. A new method is proposed to separate vibration signals of inner and outer rotors for a system with very little difference in rotating speeds. Magnitudes and phase values of unbalance defects can be obtained directly by sampling the vibration signal synchronized with reference signal. The balancing process is completed by the reciprocity influence coefficients of inner and outer rotors method. Results showed the advantage of such method for a dual-rotor system as compared with conventional balancing.

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Reference

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