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Jianhao Dong, Guangheng Wang, Hui Lin, Xinsheng Bi, Zhantao Li, Pengda Zhao, Tingwen Pei and Fei Tan
The frame of the cotton picker is exposed to complex and varying loads during its operation. Therefore, conducting research on the vibration characteristics of the frame is crucial. In this study, vibration tests were conducted on the main vibration sour...
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Fanhao Meng, Yong Ma, Yongjun Xia, Yimin Ma and Ming Jiang
This paper investigates system identification algorithms for modal identification of frame structures, such as a suspension bridge and an overhead transmission line-crossing frame, using ambient vibration measurements. The modal identification procedures...
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Anne-Lise Fiquet, Stéphane Aubert, Nicolas Buffaz, Agathe Vercoutter and Christoph Brandstetter
Non-synchronous blade vibrations have been observed in an experimental multi-stage high-speed compressor setup at part-speed conditions. A detailed numerical study has been carried out to understand the observed phenomenon by performing unsteady full-ann...
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Yun Zheng, Xiubo Jin and Hui Yang
Asymmetric vane pitch is a key technique to suppress the forced response of downstream rotor blades. To address the problem of low-engine-order (LEO) excitation with high amplitude under an asymmetric configuration (half-and-half layout) widely recognize...
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Cui Dai, Yuhang Zhang, Qi Pan, Liang Dong and Houlin Liu
In order to study the vibration mechanism of a marine centrifugal pump unit and explore the contribution of vibration caused by different vibration excitation sources, a marine centrifugal pump with a specific speed of 66.7 was used for research. A numer...
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Myeong-Ho Song, Taek-Kun Nam and Jae-ung Lee
The reliability of propulsion shafting systems is a major concern for ocean-going vessels because mid-ocean repairs can be time-consuming and spare parts must be available. To address this concern, vibration modeling and experimental measurements were co...
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Gwan-Hee Son, Beom-Soo Kim, Seung-Je Cho and Young-Jun Park
As the demand for agricultural electric vehicles increases, it is becoming important to conduct noise reduction in consideration of the characteristics of an electric powertrain. This study was conducted to optimize the shape design of gearbox housing fo...
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Guangtao Zhang, Junyong Wu and Liangliang Hao
Inter-turn short circuit of field windings (ISCFW) may cause the field current of a generator to increase, output reactive power to decrease, and unit vibration to intensify, seriously affecting its safe and stable operation. Full integration of mechanic...
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