Dynamic Analysis of Flexible Shaft and Elastic Disk Rotor System Based on the Effect of Alford Force
Taken the flexible shaft and elastic disk rotor system as the research object, vibration differential equations are established by the modal synthesis method. Based on the Runge–Kutta method of direct integration, dynamic equations are solved successfully. Then, the effects of Alford force caused by...
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| Main Authors: | , , , |
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| Format: | Article |
| Language: | English |
| Published: |
Wiley
2019-01-01
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| Series: | Shock and Vibration |
| Online Access: | http://dx.doi.org/10.1155/2019/3545939 |
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| _version_ | 1832568254308024320 |
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| author | Wenjun Yang Huiqun Yuan Li Hui Kaifeng Zhang |
| author_facet | Wenjun Yang Huiqun Yuan Li Hui Kaifeng Zhang |
| author_sort | Wenjun Yang |
| collection | DOAJ |
| description | Taken the flexible shaft and elastic disk rotor system as the research object, vibration differential equations are established by the modal synthesis method. Based on the Runge–Kutta method of direct integration, dynamic equations are solved successfully. Then, the effects of Alford force caused by the airflow excitation are researched on the stability and dynamic response. The results show modal vibration of the disk takes a great effect on the coupled natural frequency of shaft transverse vibration in the high rotational speed region. The effect of shaft-disk coupling makes rotor frequency to decrease, and different rotational speeds have little effect on rotor frequency. Eccentric distance is sensitive to the amplitude of rotor response, but it has little effect on rotor stability, motion law, and relative relationship of two response frequencies. The proportion of rotor responses caused by aerodynamic excitation force becomes larger with the increase of rotational speed and disk radius. However, the proportion decreases with the second support moving to the right, and it is helpful for the stable operation of the rotor system. |
| format | Article |
| id | doaj-art-e4c1fcdcede0423bbfa2ccba3692f6c0 |
| institution | Kabale University |
| issn | 1070-9622 1875-9203 |
| language | English |
| publishDate | 2019-01-01 |
| publisher | Wiley |
| record_format | Article |
| series | Shock and Vibration |
| spelling | doaj-art-e4c1fcdcede0423bbfa2ccba3692f6c02025-02-03T00:59:26ZengWileyShock and Vibration1070-96221875-92032019-01-01201910.1155/2019/35459393545939Dynamic Analysis of Flexible Shaft and Elastic Disk Rotor System Based on the Effect of Alford ForceWenjun Yang0Huiqun Yuan1Li Hui2Kaifeng Zhang3School of Mechatronics Engineering, Shenyang Aerospace University, Shenyang, ChinaCollege of Science, Northeastern University, Shenyang, ChinaState Key Laboratory for Aviation Digital Manufacturing Process, Shenyang Aerospace University, Shenyang, ChinaSchool of Mechatronics Engineering, Shenyang Aerospace University, Shenyang, ChinaTaken the flexible shaft and elastic disk rotor system as the research object, vibration differential equations are established by the modal synthesis method. Based on the Runge–Kutta method of direct integration, dynamic equations are solved successfully. Then, the effects of Alford force caused by the airflow excitation are researched on the stability and dynamic response. The results show modal vibration of the disk takes a great effect on the coupled natural frequency of shaft transverse vibration in the high rotational speed region. The effect of shaft-disk coupling makes rotor frequency to decrease, and different rotational speeds have little effect on rotor frequency. Eccentric distance is sensitive to the amplitude of rotor response, but it has little effect on rotor stability, motion law, and relative relationship of two response frequencies. The proportion of rotor responses caused by aerodynamic excitation force becomes larger with the increase of rotational speed and disk radius. However, the proportion decreases with the second support moving to the right, and it is helpful for the stable operation of the rotor system.http://dx.doi.org/10.1155/2019/3545939 |
| spellingShingle | Wenjun Yang Huiqun Yuan Li Hui Kaifeng Zhang Dynamic Analysis of Flexible Shaft and Elastic Disk Rotor System Based on the Effect of Alford Force Shock and Vibration |
| title | Dynamic Analysis of Flexible Shaft and Elastic Disk Rotor System Based on the Effect of Alford Force |
| title_full | Dynamic Analysis of Flexible Shaft and Elastic Disk Rotor System Based on the Effect of Alford Force |
| title_fullStr | Dynamic Analysis of Flexible Shaft and Elastic Disk Rotor System Based on the Effect of Alford Force |
| title_full_unstemmed | Dynamic Analysis of Flexible Shaft and Elastic Disk Rotor System Based on the Effect of Alford Force |
| title_short | Dynamic Analysis of Flexible Shaft and Elastic Disk Rotor System Based on the Effect of Alford Force |
| title_sort | dynamic analysis of flexible shaft and elastic disk rotor system based on the effect of alford force |
| url | http://dx.doi.org/10.1155/2019/3545939 |
| work_keys_str_mv | AT wenjunyang dynamicanalysisofflexibleshaftandelasticdiskrotorsystembasedontheeffectofalfordforce AT huiqunyuan dynamicanalysisofflexibleshaftandelasticdiskrotorsystembasedontheeffectofalfordforce AT lihui dynamicanalysisofflexibleshaftandelasticdiskrotorsystembasedontheeffectofalfordforce AT kaifengzhang dynamicanalysisofflexibleshaftandelasticdiskrotorsystembasedontheeffectofalfordforce |