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Air-bearing position optimization based on dynamic characteristics of ultra-precision linear stages

CHEN Xuedong, LI Zhixin

Frontiers of Mechanical Engineering 2008, Volume 3, Issue 4,   Pages 400-407 doi: 10.1007/s11465-008-0060-z

Abstract: Air-bearings are installed between the stator and the mover of ultra-precision linear stages to suppressincluding mode frequency, mode shape, and response amplitude are obviously changed with the position of air-bearingsThe combined optimization method is used to optimize the air-bearings position.

Keywords: manufacture     different     interaction     air-bearings     response amplitude    

Rolling-element bearings in China: From ancient times to the 20th century

Lie SUN,Ang LI

Frontiers of Mechanical Engineering 2016, Volume 11, Issue 1,   Pages 33-43 doi: 10.1007/s11465-016-0373-2

Abstract:

The development of rolling-element bearings in China has spanned a long period.several typical and important cases, the present article reconstructs the history of rolling-element bearingsin China by dividing it into four stages according to the various characteristics of the bearings.The first stage represents the origin of rolling bearings in China, which remains controversial becauseas replacement for traditional sliding bearings.

Keywords: bearing movement     rolling-element bearing     China     early rolling bearings     technology transfer    

Application of Porous Aerostatic Bearings in Three-axis Table

Du Jinming

Strategic Study of CAE 2005, Volume 7, Issue 1,   Pages 65-68

Abstract:

Aerostatic bearings have been applied widely in aviation, aerospace and precision electronics.Porous aerostatic bearings have higher load capacity, static stiffness and highed damping than otherrestricted bearings.aerostatic bearings.The results show the load capacity of porous aerostatic bearings is higher than orifice aerostatic bearings

Keywords: aerostatic bearings     porous     orifice restricted     three-axis table    

Review of the damage mechanism in wind turbine gearbox bearings under rolling contact fatigue

Yun-Shuai SU, Shu-Rong YU, Shu-Xin LI, Yan-Ni HE

Frontiers of Mechanical Engineering 2019, Volume 14, Issue 4,   Pages 434-441 doi: 10.1007/s11465-018-0474-1

Abstract: Wind turbine gearbox bearings fail with the service life is much shorter than the designed life.Gearbox bearings are subjected to rolling contact fatigue (RCF) and they are observed to fail due to

Keywords: rolling contact fatigue (RCF)     white etching area (WEA)     white etching crack (WEC)     adiabatic shear band (ASB)    

Dynamical Experiment Research on New Seismic Isolation Bearings with SMA Wires

Deng Zongcai,Sun Hongjun,Liu Chunguo,Niu Kun,Deng Hongliang

Strategic Study of CAE 2005, Volume 7, Issue 12,   Pages 61-68

Abstract:

As the aim of improving the utilization ratio of SMAs in SMA-rubber seismic isolation bearings, severaldifferent SMA-rubber seismic isolation bearings were designed, and energy dissipation experiments werethe level stiffness, energy dissipation and equivalent damping ratio of SMA-rubber seismic isolation bearingsResult showed that the new SMA-rubber seismic isolation bearings have better hysteresis and energy dissipationIt provided the base to optimize the SMA-rubber seismic isolation bearings.

Keywords: shape memory alloy     seismic isolation bearings     initial stiffness     hysteresis energy dissipation     equivalent    

Intercontinental transport of air pollution

Lin ZHANG,

Frontiers of Environmental Science & Engineering 2010, Volume 4, Issue 1,   Pages 20-29 doi: 10.1007/s11783-010-0014-7

Abstract: There is an increasing interest on the intercontinental transport of air pollution among the three mainAir pollutants with sufficient long lifetime can be transported from one continent to another.from ground sites, aircraft and satellites have demonstrated this intercontinental-scale transport of airmodeling studies of intercontinental transport of ozone and its precursors, and the resulting impacts on air

Keywords: intercontinental transport     ozone     air pollution    

Health impacts of air pollution in China

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 4, doi: 10.1007/s11783-020-1367-1

Abstract:

•Impacts of air pollution on various body systems health in China were

Keywords: Health impacts     Air pollution     China     Advances    

Experimental investigation on desiccant air-conditioning system in India

Vijay MITTAL, B. Kant KHAN,

Frontiers in Energy 2010, Volume 4, Issue 2,   Pages 161-165 doi: 10.1007/s11708-009-0070-5

Abstract: in a room with a volume of 86.4 m, air ducts and a blower.The experiment was made in such a way that the percentages of return air, outdoor air and indoor airmixed with the air leaving the desiccant and desiccant bed thickness could be adjusted.The optimum percentages of air ratios were as follows: 10% of outdoor air, 10% of return air (mixed togetherat the desiccant bed inlet) and 80% of indoor air mixed with the dry air leaving the desiccant.

Keywords: air ratios     ambient conditions     desiccant air-conditioning     silica gel    

Phenolic compounds removal by wet air oxidation based processes

Linbi Zhou, Hongbin Cao, Claude Descorme, Yongbing Xie

Frontiers of Environmental Science & Engineering 2018, Volume 12, Issue 1, doi: 10.1007/s11783-017-0970-2

Abstract: Wet air oxidation (WAO) and catalytic wet air oxidation (CWAO) are efficient processes to degrade organic

Keywords: Wet air oxidation     Catalytic wet air oxidation     Phenolic compounds     Heterogeneous catalysts     Mechanism    

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: Given the complexity and time-consuming of the conventional environmental capacity based assessment on airenvironment carrying capacity; a new method for assessing urban air environment carrying capacity basedon air pollution index (API) is presented.By using this new method, the air environmental bearing capability of 333 cities at the prefecture levelThe assessment results imply that the existing air quality standard (GB3095-1996) is quite unsound.

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

Development of an integrated policy making tool for assessing air quality and human health benefits ofair pollution control

Xuezhen QIU,Yun ZHU,Carey JANG,Che-Jen LIN,Shuxiao WANG,Joshua FU,Junping XIE,Jiandong WANG,Dian DING,Shicheng LONG

Frontiers of Environmental Science & Engineering 2015, Volume 9, Issue 6,   Pages 1056-1065 doi: 10.1007/s11783-015-0796-8

Abstract: Efficient air quality management is critical to protect public health from the adverse impacts of airTo evaluate the effectiveness of air pollution control strategies, the US Environmental Protection AgencyEPA) has developed the Software for Model Attainment Test-Community Edition (SMAT-CE) to assess the airand Analysis Program-Community Edition (BenMAP-CE) to evaluate the health and economic benefits of airThe new module streamlines the assessment of air quality and human health benefits for a proposed air

Keywords: air quality assessment     human health benefit     economic benefit     air quality attainment assessment     air pollution    

Clean air captures attention whereas pollution distracts: evidence from brain activities

Frontiers of Environmental Science & Engineering 2023, Volume 18, Issue 4, doi: 10.1007/s11783-024-1801-x

Abstract:

● We find air pollution distracts attention and reveal the neurocognitive

Keywords: Air pollution     Attention     Disengagement     Performance     Event-related potential    

Investigation on regeneration and energy storage characteristics of a solar liquid desiccant air-conditioning

SHI Mingheng, DU Bin, ZHAO Yun

Frontiers in Energy 2007, Volume 1, Issue 1,   Pages 85-90 doi: 10.1007/s11708-007-0008-8

Abstract: Solar liquid desiccant air-conditioner is a new air-conditioning system in which liquid desiccant canA principal solar liquid desiccant air-conditioning system under energy storage operating mode is proposed

Keywords: desiccant air-conditioning     regeneration process     air-conditioning system     energy     regeneration    

New developments in mobile air conditioning systems in China

Jiangping CHEN, Yu ZHAO, Zhaogang QI

Frontiers in Energy 2011, Volume 5, Issue 1,   Pages 53-58 doi: 10.1007/s11708-010-0137-3

Abstract: Global warming poses serious global concerns, and the mobile air conditioning (MAC) industry must be

Keywords: global warming potential     mobile air conditioning (MAC)     energy saving     new developments    

tree-inspired network: a decision-tree-structured neural network for hierarchical fault diagnosis of bearings

Frontiers of Mechanical Engineering 2021, Volume 16, Issue 4,   Pages 814-828 doi: 10.1007/s11465-021-0650-6

Abstract: The fault diagnosis of bearings is crucial in ensuring the reliability of rotating machinery.that is, the deep convolutional tree-inspired network (DCTN), for the hierarchical fault diagnosis of bearings

Keywords: bearing     cross-severity fault diagnosis     hierarchical fault diagnosis     convolutional neural network     decision tree    

Title Author Date Type Operation

Air-bearing position optimization based on dynamic characteristics of ultra-precision linear stages

CHEN Xuedong, LI Zhixin

Journal Article

Rolling-element bearings in China: From ancient times to the 20th century

Lie SUN,Ang LI

Journal Article

Application of Porous Aerostatic Bearings in Three-axis Table

Du Jinming

Journal Article

Review of the damage mechanism in wind turbine gearbox bearings under rolling contact fatigue

Yun-Shuai SU, Shu-Rong YU, Shu-Xin LI, Yan-Ni HE

Journal Article

Dynamical Experiment Research on New Seismic Isolation Bearings with SMA Wires

Deng Zongcai,Sun Hongjun,Liu Chunguo,Niu Kun,Deng Hongliang

Journal Article

Intercontinental transport of air pollution

Lin ZHANG,

Journal Article

Health impacts of air pollution in China

Journal Article

Experimental investigation on desiccant air-conditioning system in India

Vijay MITTAL, B. Kant KHAN,

Journal Article

Phenolic compounds removal by wet air oxidation based processes

Linbi Zhou, Hongbin Cao, Claude Descorme, Yongbing Xie

Journal Article

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

Jinnan WANG,Jing ZHANG,Hongqiang JIANG,Yaling LU

Journal Article

Development of an integrated policy making tool for assessing air quality and human health benefits ofair pollution control

Xuezhen QIU,Yun ZHU,Carey JANG,Che-Jen LIN,Shuxiao WANG,Joshua FU,Junping XIE,Jiandong WANG,Dian DING,Shicheng LONG

Journal Article

Clean air captures attention whereas pollution distracts: evidence from brain activities

Journal Article

Investigation on regeneration and energy storage characteristics of a solar liquid desiccant air-conditioning

SHI Mingheng, DU Bin, ZHAO Yun

Journal Article

New developments in mobile air conditioning systems in China

Jiangping CHEN, Yu ZHAO, Zhaogang QI

Journal Article

tree-inspired network: a decision-tree-structured neural network for hierarchical fault diagnosis of bearings

Journal Article