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Characteristic Analysis for Journal Bearing Under Thin Film Lubrication

Qu Qingwen,Chai Shan,Yao Fusheng

Strategic Study of CAE 2003, Volume 5, Issue 6,   Pages 44-48

Abstract:

The characteristic of the bearing under thin film lubrication is far different to that of conventionalcalculation bearing.An equivalent viscosity corrected model is applied to analyze characteristic of journal bearing in thisFor infinite width bearing, an analysis equation on pressure distribution is gained.Then, the properties of journal bearing are calculated accurately.

Keywords： thin film lubrication     equivalent viscosity     journal bearing    

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Calculated journal bearing lubrication of non-Newtonian medium with surface roughness effects

CHEN Hao-sheng, CHEN Da-rong, WANG Jia-dao, LI Yong-jian

Frontiers of Mechanical Engineering 2006, Volume 1, Issue 3,   Pages 270-275 doi: 10.1007/s11465-006-0028-9

Abstract: To analyze the effects of non-Newtonian lubricants and surface roughness in journal bearing lubrication

Keywords： rheological     dynamic     lubrication     roughness     shearing    

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Stability and coupling dynamic behavior of nonlinear journal active electromagnetic bearing rotor system

LU Yanjun, HEI Di, WANG Yuan, DAI Rong, LU Yanjun, LIU Heng, YU Lie

Frontiers of Mechanical Engineering 2008, Volume 3, Issue 2,   Pages 193-199 doi: 10.1007/s11465-008-0023-4

Abstract: The stability and coupling dynamic behavior of a journal active electromagnetic bearing rotor system

Keywords： proportional integral     bifurcation     corresponding     integral differential     predictor-corrector mechanism    

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The cavitation erosion damage process of dynamically loaded journal bearings

MA Yan-yan, CHENG Xian-hua

Frontiers of Mechanical Engineering 2006, Volume 1, Issue 4,   Pages 461-464 doi: 10.1007/s11465-006-0059-2

Abstract: analyze the action process based on damage mechanics when a jet created by bubble collapse acted on the bearingThe values of damage scalar are higher on the bearing surface and subsurface, and decrease when it approachesThe strain history and damage evolvement of bearing material acted on by jet impact load can be calculatedusing the proposed method, which develops a new method of analyzing cavitation erosion failure of the bearing

Keywords： bearing     fraction increase     collapse     process     evolvement    

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CAPEES and FESE journal: Together to serve the environmental research community

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 5, doi: 10.1007/s11783-022-1546-3

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Iterative HOEO fusion strategy: a promising tool for enhancing bearing fault feature

Frontiers of Mechanical Engineering 2023, Volume 18, Issue 1, doi: 10.1007/s11465-022-0725-z

Abstract: techniques, the energy operator (EO) and its variants have received considerable attention in the field of bearingTo address these issues, this paper presents a novel EO fusion strategy for enhancing the bearing faultand experimental verifications confirm that the proposed strategy is more effective for enhancing the bearing

Keywords： higher order energy operator     fault diagnosis     manifold learning     rolling element bearing     information    

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New analysis model for rotor-bearing systems based on plate theory

Zhinan ZHANG, Mingdong ZHOU, Weimin DING, Huifang MA

Frontiers of Mechanical Engineering 2019, Volume 14, Issue 4,   Pages 461-473 doi: 10.1007/s11465-019-0525-2

Abstract: The purpose of this work is to develop a new analysis model for angular-contact, ball-bearing systemsThe new analysis model is suitable for static and modal analyses of rotor-bearing systems.

Keywords： rotor-bearing system     rolling element bearing     plate theory     finite element analysis    

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Aiming to Be a World-Class Journal Leading in Innovation: A Letter from the Editors-in-Chief

Ji Zhou, Jianfeng Chen

Engineering 2018, Volume 4, Issue 5,   Pages 581-581 doi: 10.1016/j.eng.2018.09.008

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API-based assessment on urban air environment bearing capability in China

Jinnan WANG,Jing ZHANG,Hongqiang JIANG,Yaling LU

Frontiers of Environmental Science & Engineering 2015, Volume 9, Issue 6,   Pages 1049-1055 doi: 10.1007/s11783-014-0662-0

Abstract: By using this new method, the air environmental bearing capability of 333 cities at the prefecture levelThe results show that of the 333 cities 9.6% is of high bearing capability, 34.5% relatively high bearingcapability, 52.6% medium bearing capability, 2.7% low capability, and 0.6% is of weak bearing capability; in terms of regional distribution, the western region is of relatively high air environment bearingChengdu-Chongqing agglomerations are of relatively high carrying capacity while other agglomerations are of medium bearing

Keywords： air pollution index (API)     air environment bearing capability     key city     assessment method    

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The convexity about ultimate bearing hypersurfaces of structures

Chengxi GUO,Tingting GUO

Frontiers of Structural and Civil Engineering 2016, Volume 10, Issue 4,   Pages 456-461 doi: 10.1007/s11709-016-0334-1

Abstract: The relationship between the convexity on the ultimate bearing surface of a structure and the second-orderHessian matrix composed of the second-order partial derivatives on the hypersurface about the ultimate bearingSome applications in the analysis of bearing capacity of structures were illustrated with examples.The study shows that an evaluation about the bearing capacity state of a complex structure can be madeon the basis of several points on the surface of the ultimate bearing of the structure.

Keywords： service     limit load     ultimate bearing surface     convexity     generalized force     generalized displacement     frame    

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Foundations bearing capacity subjected to seepage by the kinematic approach of the limit analysis

Mehdi VEISKARAMI, Ghasem HABIBAGAHI

Frontiers of Structural and Civil Engineering 2013, Volume 7, Issue 4,   Pages 446-455 doi: 10.1007/s11709-013-0227-5

Abstract: The kinematic approach of the limit analysis was employed to find the upper-bound limit of the bearingIt was found that the bearing capacity has a decreasing trend with increase in the groundwater flow gradientand hence, a reduction factor has been introduced to the third term in the bearing capacity equation

Keywords： foundation     bearing capacity     limit analysis     numerical computation     plasticity     seepage    

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Undrained seismic bearing capacity of strip footing adjacent to a heterogeneous excavation

Frontiers of Structural and Civil Engineering 2023, Volume 17, Issue 4,   Pages 566-583 doi: 10.1007/s11709-023-0905-x

Abstract: The analysis of the bearing capacity of strip footings sited near an excavation is critical in geotechnicseffects of the geometrical features of the excavation and the soil strength properties on the seismic bearingDesign charts and tables were produced to clarify the relationship between the undrained seismic bearing

Keywords： excavation     finite element limit analysis     heterogeneous soil     strip footing     undrained bearing capacity    

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Influence of the Mechanical Seals on the Dynamic Performance of Rotor–Bearing Systems

XU Hua, ZHU Jun

Frontiers of Mechanical Engineering 2006, Volume 1, Issue 1,   Pages 96-100 doi: 10.1007/s11465-005-0008-5

Abstract: the transfer matrix method are used to establish the equations for the dynamics performance of rotor bearingTo check the response of the rotor bearing system under unbalance motivation, the Gauss method is usedthat may affect the dynamic performance and forced vibration under unbalance motivation of the rotor bearingThe analysis results show that the mechanical seal more or less has effects on the rotor bearing systemThe mechanical seal has much more effects on the flexible rotor bearing system than on the rigid one.
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Ultimate bearing capacity of strip footing resting on clay soil mixed with tire-derived aggregates

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 4,   Pages 1016-1024 doi: 10.1007/s11709-021-0751-7

Abstract: use of recycled tire-derived aggregate (TDA) mixed with kaolin as a method of increasing the ultimate bearing

Keywords： kaolin     physical modeling tests     stabilization     numerical modeling    

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Temperature control of transfer roller’s bearing based on finite element analysis

Peng ZHANG, Yourong LI, Han XIAO

Frontiers of Mechanical Engineering 2009, Volume 4, Issue 2,   Pages 215-218 doi: 10.1007/s11465-009-0026-9

Abstract: Second, the sub-model of the fixed end bearing is built and the boundary condition of the sub-model isThe analysis result of the sub-model shows that the temperature of the transfer roller bearing exceeds

Keywords： transfer roller bearing     finite element analysis     sub-model     temperature control    

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Title Author Date Type Operation

Characteristic Analysis for Journal Bearing Under Thin Film Lubrication

Qu Qingwen,Chai Shan,Yao Fusheng

Journal Article

Calculated journal bearing lubrication of non-Newtonian medium with surface roughness effects

CHEN Hao-sheng, CHEN Da-rong, WANG Jia-dao, LI Yong-jian

Journal Article

Stability and coupling dynamic behavior of nonlinear journal active electromagnetic bearing rotor system

LU Yanjun, HEI Di, WANG Yuan, DAI Rong, LU Yanjun, LIU Heng, YU Lie

Journal Article

The cavitation erosion damage process of dynamically loaded journal bearings

MA Yan-yan, CHENG Xian-hua

Journal Article

CAPEES and FESE journal: Together to serve the environmental research community

Journal Article

Iterative HOEO fusion strategy: a promising tool for enhancing bearing fault feature

Journal Article

New analysis model for rotor-bearing systems based on plate theory

Zhinan ZHANG, Mingdong ZHOU, Weimin DING, Huifang MA

Journal Article

Aiming to Be a World-Class Journal Leading in Innovation: A Letter from the Editors-in-Chief

Ji Zhou, Jianfeng Chen

Journal Article

API-based assessment on urban air environment bearing capability in China

Jinnan WANG,Jing ZHANG,Hongqiang JIANG,Yaling LU

Journal Article

The convexity about ultimate bearing hypersurfaces of structures

Chengxi GUO,Tingting GUO

Journal Article

Foundations bearing capacity subjected to seepage by the kinematic approach of the limit analysis

Mehdi VEISKARAMI, Ghasem HABIBAGAHI

Journal Article

Undrained seismic bearing capacity of strip footing adjacent to a heterogeneous excavation

Journal Article

Influence of the Mechanical Seals on the Dynamic Performance of Rotor–Bearing Systems

XU Hua, ZHU Jun

Journal Article

Ultimate bearing capacity of strip footing resting on clay soil mixed with tire-derived aggregates

Journal Article

Temperature control of transfer roller’s bearing based on finite element analysis

Peng ZHANG, Yourong LI, Han XIAO

Journal Article