Fault Diagnosis of Dynamically Loaded Bearing with Localized Defect Based on Defect-Induced Excitation
Abstract The defect-induced excitations causing the bearing to vibrate have significant contribution in vibration generated from rolling element bearings. Therefore, in this work an investigation has been made to estimate the excitations caused by localized defects on different elements of a bearing...
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Gespeichert in:
| Autor*in: |
Govardhan, T. [verfasserIn] |
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| Format: |
E-Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2019 |
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| Schlagwörter: |
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| Anmerkung: |
© ASM International 2019 |
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| Übergeordnetes Werk: |
Enthalten in: Practical failure analysis - Springer New York, 2001, 19(2019), 3 vom: Juni, Seite 844-857 |
|---|---|
| Übergeordnetes Werk: |
volume:19 ; year:2019 ; number:3 ; month:06 ; pages:844-857 |
| Links: |
|---|
| DOI / URN: |
10.1007/s11668-019-00668-0 |
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SPR021679452 |
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| 520 | |a Abstract The defect-induced excitations causing the bearing to vibrate have significant contribution in vibration generated from rolling element bearings. Therefore, in this work an investigation has been made to estimate the excitations caused by localized defects on different elements of a bearing, viz., inner race, rolling element and outer race, subjected to load. The applied load on a radially loaded bearing is often not of pure static nature but has a dynamic component associated with it. The dynamic load on bearing has been considered to be composed of a static and a dynamic component. The dynamic component has been considered to be either harmonic or random in nature. The spectra of excitations have been obtained to correlate with the significant spectral components of respective response. The amplitudes of harmonic and variance of random loading have been varied to investigate the effects of dynamic loading on excitation spectra. Numerical results have been obtained for NJ305 bearing with normal clearance. For harmonic load, a new spectral component has been noticed in frequency spectrum of excitation for the defects on outer race and rolling element, whereas there is no new component for inner race defect. In the case of random loading, noise in the spectrum has been noticed. The rise in noise level and coefficients of spectral components also perceived with the increase in variance of random load. The rise in noise level with increment in dispersion of random loading is significant so that few spectral components have been masked under the noise for non-stationary defect, whereas for stationary defect the spectral components are clearly detected in spite of rise in noise level. The numerical procedure explained can be extended for different kinds of loading which may be due to the defects in mating components supported by shaft and bearing system. | ||
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10.1007/s11668-019-00668-0 doi (DE-627)SPR021679452 (SPR)s11668-019-00668-0-e DE-627 ger DE-627 rakwb eng Govardhan, T. verfasserin aut Fault Diagnosis of Dynamically Loaded Bearing with Localized Defect Based on Defect-Induced Excitation 2019 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © ASM International 2019 Abstract The defect-induced excitations causing the bearing to vibrate have significant contribution in vibration generated from rolling element bearings. Therefore, in this work an investigation has been made to estimate the excitations caused by localized defects on different elements of a bearing, viz., inner race, rolling element and outer race, subjected to load. The applied load on a radially loaded bearing is often not of pure static nature but has a dynamic component associated with it. The dynamic load on bearing has been considered to be composed of a static and a dynamic component. The dynamic component has been considered to be either harmonic or random in nature. The spectra of excitations have been obtained to correlate with the significant spectral components of respective response. The amplitudes of harmonic and variance of random loading have been varied to investigate the effects of dynamic loading on excitation spectra. Numerical results have been obtained for NJ305 bearing with normal clearance. For harmonic load, a new spectral component has been noticed in frequency spectrum of excitation for the defects on outer race and rolling element, whereas there is no new component for inner race defect. In the case of random loading, noise in the spectrum has been noticed. The rise in noise level and coefficients of spectral components also perceived with the increase in variance of random load. The rise in noise level with increment in dispersion of random loading is significant so that few spectral components have been masked under the noise for non-stationary defect, whereas for stationary defect the spectral components are clearly detected in spite of rise in noise level. The numerical procedure explained can be extended for different kinds of loading which may be due to the defects in mating components supported by shaft and bearing system. Bearing (dpeaa)DE-He213 Vibration (dpeaa)DE-He213 Dynamic load (dpeaa)DE-He213 Fault diagnosis (dpeaa)DE-He213 Localized defect (dpeaa)DE-He213 Excitation (dpeaa)DE-He213 Harmonic load (dpeaa)DE-He213 Random load (dpeaa)DE-He213 Choudhury, Achintya aut Enthalten in Practical failure analysis Springer New York, 2001 19(2019), 3 vom: Juni, Seite 844-857 (DE-627)886125871 (DE-600)2893589-5 5555-1313 nnns volume:19 year:2019 number:3 month:06 pages:844-857 https://dx.doi.org/10.1007/s11668-019-00668-0 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER AR 19 2019 3 06 844-857 |
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10.1007/s11668-019-00668-0 doi (DE-627)SPR021679452 (SPR)s11668-019-00668-0-e DE-627 ger DE-627 rakwb eng Govardhan, T. verfasserin aut Fault Diagnosis of Dynamically Loaded Bearing with Localized Defect Based on Defect-Induced Excitation 2019 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © ASM International 2019 Abstract The defect-induced excitations causing the bearing to vibrate have significant contribution in vibration generated from rolling element bearings. Therefore, in this work an investigation has been made to estimate the excitations caused by localized defects on different elements of a bearing, viz., inner race, rolling element and outer race, subjected to load. The applied load on a radially loaded bearing is often not of pure static nature but has a dynamic component associated with it. The dynamic load on bearing has been considered to be composed of a static and a dynamic component. The dynamic component has been considered to be either harmonic or random in nature. The spectra of excitations have been obtained to correlate with the significant spectral components of respective response. The amplitudes of harmonic and variance of random loading have been varied to investigate the effects of dynamic loading on excitation spectra. Numerical results have been obtained for NJ305 bearing with normal clearance. For harmonic load, a new spectral component has been noticed in frequency spectrum of excitation for the defects on outer race and rolling element, whereas there is no new component for inner race defect. In the case of random loading, noise in the spectrum has been noticed. The rise in noise level and coefficients of spectral components also perceived with the increase in variance of random load. The rise in noise level with increment in dispersion of random loading is significant so that few spectral components have been masked under the noise for non-stationary defect, whereas for stationary defect the spectral components are clearly detected in spite of rise in noise level. The numerical procedure explained can be extended for different kinds of loading which may be due to the defects in mating components supported by shaft and bearing system. Bearing (dpeaa)DE-He213 Vibration (dpeaa)DE-He213 Dynamic load (dpeaa)DE-He213 Fault diagnosis (dpeaa)DE-He213 Localized defect (dpeaa)DE-He213 Excitation (dpeaa)DE-He213 Harmonic load (dpeaa)DE-He213 Random load (dpeaa)DE-He213 Choudhury, Achintya aut Enthalten in Practical failure analysis Springer New York, 2001 19(2019), 3 vom: Juni, Seite 844-857 (DE-627)886125871 (DE-600)2893589-5 5555-1313 nnns volume:19 year:2019 number:3 month:06 pages:844-857 https://dx.doi.org/10.1007/s11668-019-00668-0 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER AR 19 2019 3 06 844-857 |
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10.1007/s11668-019-00668-0 doi (DE-627)SPR021679452 (SPR)s11668-019-00668-0-e DE-627 ger DE-627 rakwb eng Govardhan, T. verfasserin aut Fault Diagnosis of Dynamically Loaded Bearing with Localized Defect Based on Defect-Induced Excitation 2019 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © ASM International 2019 Abstract The defect-induced excitations causing the bearing to vibrate have significant contribution in vibration generated from rolling element bearings. Therefore, in this work an investigation has been made to estimate the excitations caused by localized defects on different elements of a bearing, viz., inner race, rolling element and outer race, subjected to load. The applied load on a radially loaded bearing is often not of pure static nature but has a dynamic component associated with it. The dynamic load on bearing has been considered to be composed of a static and a dynamic component. The dynamic component has been considered to be either harmonic or random in nature. The spectra of excitations have been obtained to correlate with the significant spectral components of respective response. The amplitudes of harmonic and variance of random loading have been varied to investigate the effects of dynamic loading on excitation spectra. Numerical results have been obtained for NJ305 bearing with normal clearance. For harmonic load, a new spectral component has been noticed in frequency spectrum of excitation for the defects on outer race and rolling element, whereas there is no new component for inner race defect. In the case of random loading, noise in the spectrum has been noticed. The rise in noise level and coefficients of spectral components also perceived with the increase in variance of random load. The rise in noise level with increment in dispersion of random loading is significant so that few spectral components have been masked under the noise for non-stationary defect, whereas for stationary defect the spectral components are clearly detected in spite of rise in noise level. The numerical procedure explained can be extended for different kinds of loading which may be due to the defects in mating components supported by shaft and bearing system. Bearing (dpeaa)DE-He213 Vibration (dpeaa)DE-He213 Dynamic load (dpeaa)DE-He213 Fault diagnosis (dpeaa)DE-He213 Localized defect (dpeaa)DE-He213 Excitation (dpeaa)DE-He213 Harmonic load (dpeaa)DE-He213 Random load (dpeaa)DE-He213 Choudhury, Achintya aut Enthalten in Practical failure analysis Springer New York, 2001 19(2019), 3 vom: Juni, Seite 844-857 (DE-627)886125871 (DE-600)2893589-5 5555-1313 nnns volume:19 year:2019 number:3 month:06 pages:844-857 https://dx.doi.org/10.1007/s11668-019-00668-0 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER AR 19 2019 3 06 844-857 |
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10.1007/s11668-019-00668-0 doi (DE-627)SPR021679452 (SPR)s11668-019-00668-0-e DE-627 ger DE-627 rakwb eng Govardhan, T. verfasserin aut Fault Diagnosis of Dynamically Loaded Bearing with Localized Defect Based on Defect-Induced Excitation 2019 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © ASM International 2019 Abstract The defect-induced excitations causing the bearing to vibrate have significant contribution in vibration generated from rolling element bearings. Therefore, in this work an investigation has been made to estimate the excitations caused by localized defects on different elements of a bearing, viz., inner race, rolling element and outer race, subjected to load. The applied load on a radially loaded bearing is often not of pure static nature but has a dynamic component associated with it. The dynamic load on bearing has been considered to be composed of a static and a dynamic component. The dynamic component has been considered to be either harmonic or random in nature. The spectra of excitations have been obtained to correlate with the significant spectral components of respective response. The amplitudes of harmonic and variance of random loading have been varied to investigate the effects of dynamic loading on excitation spectra. Numerical results have been obtained for NJ305 bearing with normal clearance. For harmonic load, a new spectral component has been noticed in frequency spectrum of excitation for the defects on outer race and rolling element, whereas there is no new component for inner race defect. In the case of random loading, noise in the spectrum has been noticed. The rise in noise level and coefficients of spectral components also perceived with the increase in variance of random load. The rise in noise level with increment in dispersion of random loading is significant so that few spectral components have been masked under the noise for non-stationary defect, whereas for stationary defect the spectral components are clearly detected in spite of rise in noise level. The numerical procedure explained can be extended for different kinds of loading which may be due to the defects in mating components supported by shaft and bearing system. Bearing (dpeaa)DE-He213 Vibration (dpeaa)DE-He213 Dynamic load (dpeaa)DE-He213 Fault diagnosis (dpeaa)DE-He213 Localized defect (dpeaa)DE-He213 Excitation (dpeaa)DE-He213 Harmonic load (dpeaa)DE-He213 Random load (dpeaa)DE-He213 Choudhury, Achintya aut Enthalten in Practical failure analysis Springer New York, 2001 19(2019), 3 vom: Juni, Seite 844-857 (DE-627)886125871 (DE-600)2893589-5 5555-1313 nnns volume:19 year:2019 number:3 month:06 pages:844-857 https://dx.doi.org/10.1007/s11668-019-00668-0 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER AR 19 2019 3 06 844-857 |
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10.1007/s11668-019-00668-0 doi (DE-627)SPR021679452 (SPR)s11668-019-00668-0-e DE-627 ger DE-627 rakwb eng Govardhan, T. verfasserin aut Fault Diagnosis of Dynamically Loaded Bearing with Localized Defect Based on Defect-Induced Excitation 2019 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © ASM International 2019 Abstract The defect-induced excitations causing the bearing to vibrate have significant contribution in vibration generated from rolling element bearings. Therefore, in this work an investigation has been made to estimate the excitations caused by localized defects on different elements of a bearing, viz., inner race, rolling element and outer race, subjected to load. The applied load on a radially loaded bearing is often not of pure static nature but has a dynamic component associated with it. The dynamic load on bearing has been considered to be composed of a static and a dynamic component. The dynamic component has been considered to be either harmonic or random in nature. The spectra of excitations have been obtained to correlate with the significant spectral components of respective response. The amplitudes of harmonic and variance of random loading have been varied to investigate the effects of dynamic loading on excitation spectra. Numerical results have been obtained for NJ305 bearing with normal clearance. For harmonic load, a new spectral component has been noticed in frequency spectrum of excitation for the defects on outer race and rolling element, whereas there is no new component for inner race defect. In the case of random loading, noise in the spectrum has been noticed. The rise in noise level and coefficients of spectral components also perceived with the increase in variance of random load. The rise in noise level with increment in dispersion of random loading is significant so that few spectral components have been masked under the noise for non-stationary defect, whereas for stationary defect the spectral components are clearly detected in spite of rise in noise level. The numerical procedure explained can be extended for different kinds of loading which may be due to the defects in mating components supported by shaft and bearing system. Bearing (dpeaa)DE-He213 Vibration (dpeaa)DE-He213 Dynamic load (dpeaa)DE-He213 Fault diagnosis (dpeaa)DE-He213 Localized defect (dpeaa)DE-He213 Excitation (dpeaa)DE-He213 Harmonic load (dpeaa)DE-He213 Random load (dpeaa)DE-He213 Choudhury, Achintya aut Enthalten in Practical failure analysis Springer New York, 2001 19(2019), 3 vom: Juni, Seite 844-857 (DE-627)886125871 (DE-600)2893589-5 5555-1313 nnns volume:19 year:2019 number:3 month:06 pages:844-857 https://dx.doi.org/10.1007/s11668-019-00668-0 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER AR 19 2019 3 06 844-857 |
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Fault Diagnosis of Dynamically Loaded Bearing with Localized Defect Based on Defect-Induced Excitation Bearing (dpeaa)DE-He213 Vibration (dpeaa)DE-He213 Dynamic load (dpeaa)DE-He213 Fault diagnosis (dpeaa)DE-He213 Localized defect (dpeaa)DE-He213 Excitation (dpeaa)DE-He213 Harmonic load (dpeaa)DE-He213 Random load (dpeaa)DE-He213 |
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Govardhan, T. Choudhury, Achintya |
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Elektronische Aufsätze |
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Govardhan, T. |
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10.1007/s11668-019-00668-0 |
| title_sort |
fault diagnosis of dynamically loaded bearing with localized defect based on defect-induced excitation |
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Fault Diagnosis of Dynamically Loaded Bearing with Localized Defect Based on Defect-Induced Excitation |
| abstract |
Abstract The defect-induced excitations causing the bearing to vibrate have significant contribution in vibration generated from rolling element bearings. Therefore, in this work an investigation has been made to estimate the excitations caused by localized defects on different elements of a bearing, viz., inner race, rolling element and outer race, subjected to load. The applied load on a radially loaded bearing is often not of pure static nature but has a dynamic component associated with it. The dynamic load on bearing has been considered to be composed of a static and a dynamic component. The dynamic component has been considered to be either harmonic or random in nature. The spectra of excitations have been obtained to correlate with the significant spectral components of respective response. The amplitudes of harmonic and variance of random loading have been varied to investigate the effects of dynamic loading on excitation spectra. Numerical results have been obtained for NJ305 bearing with normal clearance. For harmonic load, a new spectral component has been noticed in frequency spectrum of excitation for the defects on outer race and rolling element, whereas there is no new component for inner race defect. In the case of random loading, noise in the spectrum has been noticed. The rise in noise level and coefficients of spectral components also perceived with the increase in variance of random load. The rise in noise level with increment in dispersion of random loading is significant so that few spectral components have been masked under the noise for non-stationary defect, whereas for stationary defect the spectral components are clearly detected in spite of rise in noise level. The numerical procedure explained can be extended for different kinds of loading which may be due to the defects in mating components supported by shaft and bearing system. © ASM International 2019 |
| abstractGer |
Abstract The defect-induced excitations causing the bearing to vibrate have significant contribution in vibration generated from rolling element bearings. Therefore, in this work an investigation has been made to estimate the excitations caused by localized defects on different elements of a bearing, viz., inner race, rolling element and outer race, subjected to load. The applied load on a radially loaded bearing is often not of pure static nature but has a dynamic component associated with it. The dynamic load on bearing has been considered to be composed of a static and a dynamic component. The dynamic component has been considered to be either harmonic or random in nature. The spectra of excitations have been obtained to correlate with the significant spectral components of respective response. The amplitudes of harmonic and variance of random loading have been varied to investigate the effects of dynamic loading on excitation spectra. Numerical results have been obtained for NJ305 bearing with normal clearance. For harmonic load, a new spectral component has been noticed in frequency spectrum of excitation for the defects on outer race and rolling element, whereas there is no new component for inner race defect. In the case of random loading, noise in the spectrum has been noticed. The rise in noise level and coefficients of spectral components also perceived with the increase in variance of random load. The rise in noise level with increment in dispersion of random loading is significant so that few spectral components have been masked under the noise for non-stationary defect, whereas for stationary defect the spectral components are clearly detected in spite of rise in noise level. The numerical procedure explained can be extended for different kinds of loading which may be due to the defects in mating components supported by shaft and bearing system. © ASM International 2019 |
| abstract_unstemmed |
Abstract The defect-induced excitations causing the bearing to vibrate have significant contribution in vibration generated from rolling element bearings. Therefore, in this work an investigation has been made to estimate the excitations caused by localized defects on different elements of a bearing, viz., inner race, rolling element and outer race, subjected to load. The applied load on a radially loaded bearing is often not of pure static nature but has a dynamic component associated with it. The dynamic load on bearing has been considered to be composed of a static and a dynamic component. The dynamic component has been considered to be either harmonic or random in nature. The spectra of excitations have been obtained to correlate with the significant spectral components of respective response. The amplitudes of harmonic and variance of random loading have been varied to investigate the effects of dynamic loading on excitation spectra. Numerical results have been obtained for NJ305 bearing with normal clearance. For harmonic load, a new spectral component has been noticed in frequency spectrum of excitation for the defects on outer race and rolling element, whereas there is no new component for inner race defect. In the case of random loading, noise in the spectrum has been noticed. The rise in noise level and coefficients of spectral components also perceived with the increase in variance of random load. The rise in noise level with increment in dispersion of random loading is significant so that few spectral components have been masked under the noise for non-stationary defect, whereas for stationary defect the spectral components are clearly detected in spite of rise in noise level. The numerical procedure explained can be extended for different kinds of loading which may be due to the defects in mating components supported by shaft and bearing system. © ASM International 2019 |
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Fault Diagnosis of Dynamically Loaded Bearing with Localized Defect Based on Defect-Induced Excitation |
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