TVMS Calculation and Dynamic Analysis of Cracked Gear considering Oil Film Stiffness
A time-varying meshing stiffness (TVMS) model that includes oil film stiffness in the elastohydrodynamic lubrication (EHL) line contact is proposed for tooth root cracking. This model employs the oil film thickness to estimate the stiffness of the oil film in gear contact by considering the profile...
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| Format: | Article |
| Language: | English |
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Wiley
2024-01-01
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| Series: | Shock and Vibration |
| Online Access: | http://dx.doi.org/10.1155/2024/5571578 |
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| _version_ | 1832553196753518592 |
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| author | Jiateng Wu Zhenqi Du Chengbiao Tong |
| author_facet | Jiateng Wu Zhenqi Du Chengbiao Tong |
| author_sort | Jiateng Wu |
| collection | DOAJ |
| description | A time-varying meshing stiffness (TVMS) model that includes oil film stiffness in the elastohydrodynamic lubrication (EHL) line contact is proposed for tooth root cracking. This model employs the oil film thickness to estimate the stiffness of the oil film in gear contact by considering the profile variation of the oil film induced by tooth root cracks, to provide the evolution principle of TVMS in EHL line contact to study the effects of oil film stiffness of cracked gear on the TVMS. The results of the analysis reveal that the overall result of TVMS decreases owing to the stiffness of the oil film, whereas the combined TVMS depends mainly on the rotation speed of the gear system because the thickness of the oil film in the tooth crack is affected by the velocity of the entrainment. Furthermore, a six-degree-of-freedom (DOF) dynamic model is introduced to analyze the vibration behavior of the gear system using the combined TVMS results for different crack levels, and the influence of the combined TVMS on the vibration response of the tooth root crack is exhibited from the time-domain analysis, frequency-domain analysis, and statistical indicator analysis. |
| format | Article |
| id | doaj-art-6169e7be7d364cb6b8610e7e57fdb96b |
| institution | Kabale University |
| issn | 1875-9203 |
| language | English |
| publishDate | 2024-01-01 |
| publisher | Wiley |
| record_format | Article |
| series | Shock and Vibration |
| spelling | doaj-art-6169e7be7d364cb6b8610e7e57fdb96b2025-02-03T05:54:34ZengWileyShock and Vibration1875-92032024-01-01202410.1155/2024/5571578TVMS Calculation and Dynamic Analysis of Cracked Gear considering Oil Film StiffnessJiateng Wu0Zhenqi Du1Chengbiao Tong2College of Mechanical and Electrical EngineeringCollege of Mechanical and Electrical EngineeringCollege of Mechanical and Electrical EngineeringA time-varying meshing stiffness (TVMS) model that includes oil film stiffness in the elastohydrodynamic lubrication (EHL) line contact is proposed for tooth root cracking. This model employs the oil film thickness to estimate the stiffness of the oil film in gear contact by considering the profile variation of the oil film induced by tooth root cracks, to provide the evolution principle of TVMS in EHL line contact to study the effects of oil film stiffness of cracked gear on the TVMS. The results of the analysis reveal that the overall result of TVMS decreases owing to the stiffness of the oil film, whereas the combined TVMS depends mainly on the rotation speed of the gear system because the thickness of the oil film in the tooth crack is affected by the velocity of the entrainment. Furthermore, a six-degree-of-freedom (DOF) dynamic model is introduced to analyze the vibration behavior of the gear system using the combined TVMS results for different crack levels, and the influence of the combined TVMS on the vibration response of the tooth root crack is exhibited from the time-domain analysis, frequency-domain analysis, and statistical indicator analysis.http://dx.doi.org/10.1155/2024/5571578 |
| spellingShingle | Jiateng Wu Zhenqi Du Chengbiao Tong TVMS Calculation and Dynamic Analysis of Cracked Gear considering Oil Film Stiffness Shock and Vibration |
| title | TVMS Calculation and Dynamic Analysis of Cracked Gear considering Oil Film Stiffness |
| title_full | TVMS Calculation and Dynamic Analysis of Cracked Gear considering Oil Film Stiffness |
| title_fullStr | TVMS Calculation and Dynamic Analysis of Cracked Gear considering Oil Film Stiffness |
| title_full_unstemmed | TVMS Calculation and Dynamic Analysis of Cracked Gear considering Oil Film Stiffness |
| title_short | TVMS Calculation and Dynamic Analysis of Cracked Gear considering Oil Film Stiffness |
| title_sort | tvms calculation and dynamic analysis of cracked gear considering oil film stiffness |
| url | http://dx.doi.org/10.1155/2024/5571578 |
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