Study on Vibration and Bifurcation of an Aeroengine Rotor System with Elastic Ring Squeeze Film Damper
To analyze the problem of vibration and bifurcation in the rotor system of the aeroengine with the elastic ring squeeze film damper (ERSFD) and elastic supports, the theoretical equation of the dynamic rotor system is developed in this paper, based on the rotor system, elastic ring squeeze film damp...
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| Main Authors: | , , , |
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| Format: | Article |
| Language: | English |
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Wiley
2021-01-01
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| Series: | Shock and Vibration |
| Online Access: | http://dx.doi.org/10.1155/2021/4651339 |
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| _version_ | 1832549201042472960 |
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| author | Guoying Pang Shuqian Cao Yushu Chen Huizheng Chen |
| author_facet | Guoying Pang Shuqian Cao Yushu Chen Huizheng Chen |
| author_sort | Guoying Pang |
| collection | DOAJ |
| description | To analyze the problem of vibration and bifurcation in the rotor system of the aeroengine with the elastic ring squeeze film damper (ERSFD) and elastic supports, the theoretical equation of the dynamic rotor system is developed in this paper, based on the rotor system, elastic ring squeeze film damper (ERSFD), and three elastic supports. The estimated analytical solution of the oil film force is solved using the short bearing approximation theory and the semi-oil film inference theory in the suspension and the inner and outer boss contact. Considering the oil film stiffness and damping of rolling bearings, the rolling bearing force model is established based on the elastohydrodynamic lubrication (EHL) theory. By the average method, the vibration and bifurcation modes are obtained concerning the bearing coefficient and parameters. The range optimization of parameters can be appropriately improved to enhance the dynamic characteristics of the device given different parameters of the hole of oil seepage, the stiffness, the position of elastic supports, and other structural parameters. |
| format | Article |
| id | doaj-art-da8df6619c4f4f17af559d5705dfb13c |
| institution | Kabale University |
| issn | 1070-9622 1875-9203 |
| language | English |
| publishDate | 2021-01-01 |
| publisher | Wiley |
| record_format | Article |
| series | Shock and Vibration |
| spelling | doaj-art-da8df6619c4f4f17af559d5705dfb13c2025-02-03T06:12:01ZengWileyShock and Vibration1070-96221875-92032021-01-01202110.1155/2021/46513394651339Study on Vibration and Bifurcation of an Aeroengine Rotor System with Elastic Ring Squeeze Film DamperGuoying Pang0Shuqian Cao1Yushu Chen2Huizheng Chen3Department of Mechanics, Tianjin University, Tianjin 300354, ChinaDepartment of Mechanics, Tianjin University, Tianjin 300354, ChinaDepartment of Mechanics, Tianjin University, Tianjin 300354, ChinaInstitute of Dynamics and Control Science, Shandong Normal University, Jinan 250014, ChinaTo analyze the problem of vibration and bifurcation in the rotor system of the aeroengine with the elastic ring squeeze film damper (ERSFD) and elastic supports, the theoretical equation of the dynamic rotor system is developed in this paper, based on the rotor system, elastic ring squeeze film damper (ERSFD), and three elastic supports. The estimated analytical solution of the oil film force is solved using the short bearing approximation theory and the semi-oil film inference theory in the suspension and the inner and outer boss contact. Considering the oil film stiffness and damping of rolling bearings, the rolling bearing force model is established based on the elastohydrodynamic lubrication (EHL) theory. By the average method, the vibration and bifurcation modes are obtained concerning the bearing coefficient and parameters. The range optimization of parameters can be appropriately improved to enhance the dynamic characteristics of the device given different parameters of the hole of oil seepage, the stiffness, the position of elastic supports, and other structural parameters.http://dx.doi.org/10.1155/2021/4651339 |
| spellingShingle | Guoying Pang Shuqian Cao Yushu Chen Huizheng Chen Study on Vibration and Bifurcation of an Aeroengine Rotor System with Elastic Ring Squeeze Film Damper Shock and Vibration |
| title | Study on Vibration and Bifurcation of an Aeroengine Rotor System with Elastic Ring Squeeze Film Damper |
| title_full | Study on Vibration and Bifurcation of an Aeroengine Rotor System with Elastic Ring Squeeze Film Damper |
| title_fullStr | Study on Vibration and Bifurcation of an Aeroengine Rotor System with Elastic Ring Squeeze Film Damper |
| title_full_unstemmed | Study on Vibration and Bifurcation of an Aeroengine Rotor System with Elastic Ring Squeeze Film Damper |
| title_short | Study on Vibration and Bifurcation of an Aeroengine Rotor System with Elastic Ring Squeeze Film Damper |
| title_sort | study on vibration and bifurcation of an aeroengine rotor system with elastic ring squeeze film damper |
| url | http://dx.doi.org/10.1155/2021/4651339 |
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