Numerical Calculation of Rotation Effects on Hybrid Air Journal Bearings
Hybrid air journal bearings are of great importance in the precision engineering. Despite much progress, the influence of the aerostatic effect and the aerodynamic effect on the bearings is still not clear. Numerical calculation is a useful technique to evaluate bearing performance. Many theoretical...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Wang, Xinkuan [verfasserIn] |
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| Format: |
Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2017 |
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| Rechteinformationen: |
Nutzungsrecht: © 2017 Society of Tribologists and Lubrication Engineers 2017 |
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| Schlagwörter: |
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| Übergeordnetes Werk: |
Enthalten in: Tribology transactions - Philadelphia, Pa. : Taylor & Francis, 1988, 60(2017), 2, Seite 195-207 |
|---|---|
| Übergeordnetes Werk: |
volume:60 ; year:2017 ; number:2 ; pages:195-207 |
| Links: |
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| DOI / URN: |
10.1080/10402004.2016.1155786 |
|---|
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| 520 | |a Hybrid air journal bearings are of great importance in the precision engineering. Despite much progress, the influence of the aerostatic effect and the aerodynamic effect on the bearings is still not clear. Numerical calculation is a useful technique to evaluate bearing performance. Many theoretical problems related to Reynolds equation have been figured out by numerical simulation. The present study analyzes the effects of rotational speed-that is, the bearing speed number-on the performance of hybrid bearings. The behaviors of the pure aerostatic bearing and the pure aerodynamic bearing are investigated for comparison. The second-order finite difference method (FDM) and an iterative procedure are proposed to solve the Reynolds equation and derive the air film pressure distribution. The bearing characteristics such as load capacity, stiffness, friction coefficient, attitude angle, and mass inflow rate are taken into consideration. The research reveals the very dependence of the hybrid bearing's performance on the journal rotation and eccentricity ratio. The numerical results indicate that at a small bearing speed number of 0.223 and eccentricity ratio of 0.15, about 99.8% of the load capacity and 99.7% of the stiffness are determined by the aerostatic effect, whereas at a large bearing speed number of 2.229 and eccentricity ratio of 0.55, about 63.2% of the load capacity and 83.3% of the stiffness are determined by the aerodynamic effect. | ||
| 540 | |a Nutzungsrecht: © 2017 Society of Tribologists and Lubrication Engineers 2017 | ||
| 650 | 4 | |a rotation effects | |
| 650 | 4 | |a Finite difference method | |
| 650 | 4 | |a hybrid air journal bearings | |
| 650 | 4 | |a Journal bearings | |
| 650 | 4 | |a Pressure distribution | |
| 650 | 4 | |a Hybrid bearings | |
| 700 | 1 | |a Xu, Qiao |4 oth | |
| 700 | 1 | |a Wang, Baorui |4 oth | |
| 700 | 1 | |a Zhang, Lianxin |4 oth | |
| 700 | 1 | |a Yang, Hong |4 oth | |
| 700 | 1 | |a Peng, Zhike |4 oth | |
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10.1080/10402004.2016.1155786 doi PQ20170301 (DE-627)OLC1990444881 (DE-599)GBVOLC1990444881 (PRQ)c1905-a93d6a5edf53c84af5c4d9b850b105fd52ff79af55f057cb6ce7b5142a51ba950 (KEY)0038662620170000060000200195numericalcalculationofrotationeffectsonhybridairjo DE-627 ger DE-627 rakwb eng 620 600 DE-600 52.12 bkl Wang, Xinkuan verfasserin aut Numerical Calculation of Rotation Effects on Hybrid Air Journal Bearings 2017 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier Hybrid air journal bearings are of great importance in the precision engineering. Despite much progress, the influence of the aerostatic effect and the aerodynamic effect on the bearings is still not clear. Numerical calculation is a useful technique to evaluate bearing performance. Many theoretical problems related to Reynolds equation have been figured out by numerical simulation. The present study analyzes the effects of rotational speed-that is, the bearing speed number-on the performance of hybrid bearings. The behaviors of the pure aerostatic bearing and the pure aerodynamic bearing are investigated for comparison. The second-order finite difference method (FDM) and an iterative procedure are proposed to solve the Reynolds equation and derive the air film pressure distribution. The bearing characteristics such as load capacity, stiffness, friction coefficient, attitude angle, and mass inflow rate are taken into consideration. The research reveals the very dependence of the hybrid bearing's performance on the journal rotation and eccentricity ratio. The numerical results indicate that at a small bearing speed number of 0.223 and eccentricity ratio of 0.15, about 99.8% of the load capacity and 99.7% of the stiffness are determined by the aerostatic effect, whereas at a large bearing speed number of 2.229 and eccentricity ratio of 0.55, about 63.2% of the load capacity and 83.3% of the stiffness are determined by the aerodynamic effect. Nutzungsrecht: © 2017 Society of Tribologists and Lubrication Engineers 2017 rotation effects Finite difference method hybrid air journal bearings Journal bearings Pressure distribution Hybrid bearings Xu, Qiao oth Wang, Baorui oth Zhang, Lianxin oth Yang, Hong oth Peng, Zhike oth Enthalten in Tribology transactions Philadelphia, Pa. : Taylor & Francis, 1988 60(2017), 2, Seite 195-207 (DE-627)129384453 (DE-600)166227-2 (DE-576)018081495 1040-2004 nnns volume:60 year:2017 number:2 pages:195-207 http://dx.doi.org/10.1080/10402004.2016.1155786 Volltext http://www.tandfonline.com/doi/abs/10.1080/10402004.2016.1155786 http://search.proquest.com/docview/1865581183 GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC GBV_ILN_30 GBV_ILN_70 52.12 AVZ AR 60 2017 2 195-207 |
| spelling |
10.1080/10402004.2016.1155786 doi PQ20170301 (DE-627)OLC1990444881 (DE-599)GBVOLC1990444881 (PRQ)c1905-a93d6a5edf53c84af5c4d9b850b105fd52ff79af55f057cb6ce7b5142a51ba950 (KEY)0038662620170000060000200195numericalcalculationofrotationeffectsonhybridairjo DE-627 ger DE-627 rakwb eng 620 600 DE-600 52.12 bkl Wang, Xinkuan verfasserin aut Numerical Calculation of Rotation Effects on Hybrid Air Journal Bearings 2017 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier Hybrid air journal bearings are of great importance in the precision engineering. Despite much progress, the influence of the aerostatic effect and the aerodynamic effect on the bearings is still not clear. Numerical calculation is a useful technique to evaluate bearing performance. Many theoretical problems related to Reynolds equation have been figured out by numerical simulation. The present study analyzes the effects of rotational speed-that is, the bearing speed number-on the performance of hybrid bearings. The behaviors of the pure aerostatic bearing and the pure aerodynamic bearing are investigated for comparison. The second-order finite difference method (FDM) and an iterative procedure are proposed to solve the Reynolds equation and derive the air film pressure distribution. The bearing characteristics such as load capacity, stiffness, friction coefficient, attitude angle, and mass inflow rate are taken into consideration. The research reveals the very dependence of the hybrid bearing's performance on the journal rotation and eccentricity ratio. The numerical results indicate that at a small bearing speed number of 0.223 and eccentricity ratio of 0.15, about 99.8% of the load capacity and 99.7% of the stiffness are determined by the aerostatic effect, whereas at a large bearing speed number of 2.229 and eccentricity ratio of 0.55, about 63.2% of the load capacity and 83.3% of the stiffness are determined by the aerodynamic effect. Nutzungsrecht: © 2017 Society of Tribologists and Lubrication Engineers 2017 rotation effects Finite difference method hybrid air journal bearings Journal bearings Pressure distribution Hybrid bearings Xu, Qiao oth Wang, Baorui oth Zhang, Lianxin oth Yang, Hong oth Peng, Zhike oth Enthalten in Tribology transactions Philadelphia, Pa. : Taylor & Francis, 1988 60(2017), 2, Seite 195-207 (DE-627)129384453 (DE-600)166227-2 (DE-576)018081495 1040-2004 nnns volume:60 year:2017 number:2 pages:195-207 http://dx.doi.org/10.1080/10402004.2016.1155786 Volltext http://www.tandfonline.com/doi/abs/10.1080/10402004.2016.1155786 http://search.proquest.com/docview/1865581183 GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC GBV_ILN_30 GBV_ILN_70 52.12 AVZ AR 60 2017 2 195-207 |
| allfields_unstemmed |
10.1080/10402004.2016.1155786 doi PQ20170301 (DE-627)OLC1990444881 (DE-599)GBVOLC1990444881 (PRQ)c1905-a93d6a5edf53c84af5c4d9b850b105fd52ff79af55f057cb6ce7b5142a51ba950 (KEY)0038662620170000060000200195numericalcalculationofrotationeffectsonhybridairjo DE-627 ger DE-627 rakwb eng 620 600 DE-600 52.12 bkl Wang, Xinkuan verfasserin aut Numerical Calculation of Rotation Effects on Hybrid Air Journal Bearings 2017 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier Hybrid air journal bearings are of great importance in the precision engineering. Despite much progress, the influence of the aerostatic effect and the aerodynamic effect on the bearings is still not clear. Numerical calculation is a useful technique to evaluate bearing performance. Many theoretical problems related to Reynolds equation have been figured out by numerical simulation. The present study analyzes the effects of rotational speed-that is, the bearing speed number-on the performance of hybrid bearings. The behaviors of the pure aerostatic bearing and the pure aerodynamic bearing are investigated for comparison. The second-order finite difference method (FDM) and an iterative procedure are proposed to solve the Reynolds equation and derive the air film pressure distribution. The bearing characteristics such as load capacity, stiffness, friction coefficient, attitude angle, and mass inflow rate are taken into consideration. The research reveals the very dependence of the hybrid bearing's performance on the journal rotation and eccentricity ratio. The numerical results indicate that at a small bearing speed number of 0.223 and eccentricity ratio of 0.15, about 99.8% of the load capacity and 99.7% of the stiffness are determined by the aerostatic effect, whereas at a large bearing speed number of 2.229 and eccentricity ratio of 0.55, about 63.2% of the load capacity and 83.3% of the stiffness are determined by the aerodynamic effect. Nutzungsrecht: © 2017 Society of Tribologists and Lubrication Engineers 2017 rotation effects Finite difference method hybrid air journal bearings Journal bearings Pressure distribution Hybrid bearings Xu, Qiao oth Wang, Baorui oth Zhang, Lianxin oth Yang, Hong oth Peng, Zhike oth Enthalten in Tribology transactions Philadelphia, Pa. : Taylor & Francis, 1988 60(2017), 2, Seite 195-207 (DE-627)129384453 (DE-600)166227-2 (DE-576)018081495 1040-2004 nnns volume:60 year:2017 number:2 pages:195-207 http://dx.doi.org/10.1080/10402004.2016.1155786 Volltext http://www.tandfonline.com/doi/abs/10.1080/10402004.2016.1155786 http://search.proquest.com/docview/1865581183 GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC GBV_ILN_30 GBV_ILN_70 52.12 AVZ AR 60 2017 2 195-207 |
| allfieldsGer |
10.1080/10402004.2016.1155786 doi PQ20170301 (DE-627)OLC1990444881 (DE-599)GBVOLC1990444881 (PRQ)c1905-a93d6a5edf53c84af5c4d9b850b105fd52ff79af55f057cb6ce7b5142a51ba950 (KEY)0038662620170000060000200195numericalcalculationofrotationeffectsonhybridairjo DE-627 ger DE-627 rakwb eng 620 600 DE-600 52.12 bkl Wang, Xinkuan verfasserin aut Numerical Calculation of Rotation Effects on Hybrid Air Journal Bearings 2017 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier Hybrid air journal bearings are of great importance in the precision engineering. Despite much progress, the influence of the aerostatic effect and the aerodynamic effect on the bearings is still not clear. Numerical calculation is a useful technique to evaluate bearing performance. Many theoretical problems related to Reynolds equation have been figured out by numerical simulation. The present study analyzes the effects of rotational speed-that is, the bearing speed number-on the performance of hybrid bearings. The behaviors of the pure aerostatic bearing and the pure aerodynamic bearing are investigated for comparison. The second-order finite difference method (FDM) and an iterative procedure are proposed to solve the Reynolds equation and derive the air film pressure distribution. The bearing characteristics such as load capacity, stiffness, friction coefficient, attitude angle, and mass inflow rate are taken into consideration. The research reveals the very dependence of the hybrid bearing's performance on the journal rotation and eccentricity ratio. The numerical results indicate that at a small bearing speed number of 0.223 and eccentricity ratio of 0.15, about 99.8% of the load capacity and 99.7% of the stiffness are determined by the aerostatic effect, whereas at a large bearing speed number of 2.229 and eccentricity ratio of 0.55, about 63.2% of the load capacity and 83.3% of the stiffness are determined by the aerodynamic effect. Nutzungsrecht: © 2017 Society of Tribologists and Lubrication Engineers 2017 rotation effects Finite difference method hybrid air journal bearings Journal bearings Pressure distribution Hybrid bearings Xu, Qiao oth Wang, Baorui oth Zhang, Lianxin oth Yang, Hong oth Peng, Zhike oth Enthalten in Tribology transactions Philadelphia, Pa. : Taylor & Francis, 1988 60(2017), 2, Seite 195-207 (DE-627)129384453 (DE-600)166227-2 (DE-576)018081495 1040-2004 nnns volume:60 year:2017 number:2 pages:195-207 http://dx.doi.org/10.1080/10402004.2016.1155786 Volltext http://www.tandfonline.com/doi/abs/10.1080/10402004.2016.1155786 http://search.proquest.com/docview/1865581183 GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC GBV_ILN_30 GBV_ILN_70 52.12 AVZ AR 60 2017 2 195-207 |
| allfieldsSound |
10.1080/10402004.2016.1155786 doi PQ20170301 (DE-627)OLC1990444881 (DE-599)GBVOLC1990444881 (PRQ)c1905-a93d6a5edf53c84af5c4d9b850b105fd52ff79af55f057cb6ce7b5142a51ba950 (KEY)0038662620170000060000200195numericalcalculationofrotationeffectsonhybridairjo DE-627 ger DE-627 rakwb eng 620 600 DE-600 52.12 bkl Wang, Xinkuan verfasserin aut Numerical Calculation of Rotation Effects on Hybrid Air Journal Bearings 2017 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier Hybrid air journal bearings are of great importance in the precision engineering. Despite much progress, the influence of the aerostatic effect and the aerodynamic effect on the bearings is still not clear. Numerical calculation is a useful technique to evaluate bearing performance. Many theoretical problems related to Reynolds equation have been figured out by numerical simulation. The present study analyzes the effects of rotational speed-that is, the bearing speed number-on the performance of hybrid bearings. The behaviors of the pure aerostatic bearing and the pure aerodynamic bearing are investigated for comparison. The second-order finite difference method (FDM) and an iterative procedure are proposed to solve the Reynolds equation and derive the air film pressure distribution. The bearing characteristics such as load capacity, stiffness, friction coefficient, attitude angle, and mass inflow rate are taken into consideration. The research reveals the very dependence of the hybrid bearing's performance on the journal rotation and eccentricity ratio. The numerical results indicate that at a small bearing speed number of 0.223 and eccentricity ratio of 0.15, about 99.8% of the load capacity and 99.7% of the stiffness are determined by the aerostatic effect, whereas at a large bearing speed number of 2.229 and eccentricity ratio of 0.55, about 63.2% of the load capacity and 83.3% of the stiffness are determined by the aerodynamic effect. Nutzungsrecht: © 2017 Society of Tribologists and Lubrication Engineers 2017 rotation effects Finite difference method hybrid air journal bearings Journal bearings Pressure distribution Hybrid bearings Xu, Qiao oth Wang, Baorui oth Zhang, Lianxin oth Yang, Hong oth Peng, Zhike oth Enthalten in Tribology transactions Philadelphia, Pa. : Taylor & Francis, 1988 60(2017), 2, Seite 195-207 (DE-627)129384453 (DE-600)166227-2 (DE-576)018081495 1040-2004 nnns volume:60 year:2017 number:2 pages:195-207 http://dx.doi.org/10.1080/10402004.2016.1155786 Volltext http://www.tandfonline.com/doi/abs/10.1080/10402004.2016.1155786 http://search.proquest.com/docview/1865581183 GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC GBV_ILN_30 GBV_ILN_70 52.12 AVZ AR 60 2017 2 195-207 |
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Wang, Xinkuan @@aut@@ Xu, Qiao @@oth@@ Wang, Baorui @@oth@@ Zhang, Lianxin @@oth@@ Yang, Hong @@oth@@ Peng, Zhike @@oth@@ |
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Despite much progress, the influence of the aerostatic effect and the aerodynamic effect on the bearings is still not clear. Numerical calculation is a useful technique to evaluate bearing performance. Many theoretical problems related to Reynolds equation have been figured out by numerical simulation. The present study analyzes the effects of rotational speed-that is, the bearing speed number-on the performance of hybrid bearings. The behaviors of the pure aerostatic bearing and the pure aerodynamic bearing are investigated for comparison. The second-order finite difference method (FDM) and an iterative procedure are proposed to solve the Reynolds equation and derive the air film pressure distribution. The bearing characteristics such as load capacity, stiffness, friction coefficient, attitude angle, and mass inflow rate are taken into consideration. The research reveals the very dependence of the hybrid bearing's performance on the journal rotation and eccentricity ratio. 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numerical calculation of rotation effects on hybrid air journal bearings |
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Numerical Calculation of Rotation Effects on Hybrid Air Journal Bearings |
| abstract |
Hybrid air journal bearings are of great importance in the precision engineering. Despite much progress, the influence of the aerostatic effect and the aerodynamic effect on the bearings is still not clear. Numerical calculation is a useful technique to evaluate bearing performance. Many theoretical problems related to Reynolds equation have been figured out by numerical simulation. The present study analyzes the effects of rotational speed-that is, the bearing speed number-on the performance of hybrid bearings. The behaviors of the pure aerostatic bearing and the pure aerodynamic bearing are investigated for comparison. The second-order finite difference method (FDM) and an iterative procedure are proposed to solve the Reynolds equation and derive the air film pressure distribution. The bearing characteristics such as load capacity, stiffness, friction coefficient, attitude angle, and mass inflow rate are taken into consideration. The research reveals the very dependence of the hybrid bearing's performance on the journal rotation and eccentricity ratio. The numerical results indicate that at a small bearing speed number of 0.223 and eccentricity ratio of 0.15, about 99.8% of the load capacity and 99.7% of the stiffness are determined by the aerostatic effect, whereas at a large bearing speed number of 2.229 and eccentricity ratio of 0.55, about 63.2% of the load capacity and 83.3% of the stiffness are determined by the aerodynamic effect. |
| abstractGer |
Hybrid air journal bearings are of great importance in the precision engineering. Despite much progress, the influence of the aerostatic effect and the aerodynamic effect on the bearings is still not clear. Numerical calculation is a useful technique to evaluate bearing performance. Many theoretical problems related to Reynolds equation have been figured out by numerical simulation. The present study analyzes the effects of rotational speed-that is, the bearing speed number-on the performance of hybrid bearings. The behaviors of the pure aerostatic bearing and the pure aerodynamic bearing are investigated for comparison. The second-order finite difference method (FDM) and an iterative procedure are proposed to solve the Reynolds equation and derive the air film pressure distribution. The bearing characteristics such as load capacity, stiffness, friction coefficient, attitude angle, and mass inflow rate are taken into consideration. The research reveals the very dependence of the hybrid bearing's performance on the journal rotation and eccentricity ratio. The numerical results indicate that at a small bearing speed number of 0.223 and eccentricity ratio of 0.15, about 99.8% of the load capacity and 99.7% of the stiffness are determined by the aerostatic effect, whereas at a large bearing speed number of 2.229 and eccentricity ratio of 0.55, about 63.2% of the load capacity and 83.3% of the stiffness are determined by the aerodynamic effect. |
| abstract_unstemmed |
Hybrid air journal bearings are of great importance in the precision engineering. Despite much progress, the influence of the aerostatic effect and the aerodynamic effect on the bearings is still not clear. Numerical calculation is a useful technique to evaluate bearing performance. Many theoretical problems related to Reynolds equation have been figured out by numerical simulation. The present study analyzes the effects of rotational speed-that is, the bearing speed number-on the performance of hybrid bearings. The behaviors of the pure aerostatic bearing and the pure aerodynamic bearing are investigated for comparison. The second-order finite difference method (FDM) and an iterative procedure are proposed to solve the Reynolds equation and derive the air film pressure distribution. The bearing characteristics such as load capacity, stiffness, friction coefficient, attitude angle, and mass inflow rate are taken into consideration. The research reveals the very dependence of the hybrid bearing's performance on the journal rotation and eccentricity ratio. The numerical results indicate that at a small bearing speed number of 0.223 and eccentricity ratio of 0.15, about 99.8% of the load capacity and 99.7% of the stiffness are determined by the aerostatic effect, whereas at a large bearing speed number of 2.229 and eccentricity ratio of 0.55, about 63.2% of the load capacity and 83.3% of the stiffness are determined by the aerodynamic effect. |
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Numerical Calculation of Rotation Effects on Hybrid Air Journal Bearings |
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Xu, Qiao Wang, Baorui Zhang, Lianxin Yang, Hong Peng, Zhike |
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