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A Non-Contact Original-State Online Real-Time Monitoring Method for Complex Liquids in Industrial Processes Article

Ning Duan, Linhua Jiang, Fuyuan Xu, Ge Zhang

Engineering 2018, Volume 4, Issue 3,   Pages 392-397 doi: 10.1016/j.eng.2018.05.005

Abstract: In this study, we introduce a monitoring method capable of non-contact original-state online real-time

Keywords： Complex liquid     Original-state monitoring     Online real-time     Non-contact identification    

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hexafluoro propylene) membranes prepared via thermally induced phase separation and application in direct contact

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 5,   Pages 720-730 doi: 10.1007/s11705-021-2098-y

Abstract: A non-toxic and environmentally safe diluent, acetyl tributyl citrate, was employed to prepare poly(vinylidenethat the pore size and porosity tended to decrease with increasing polymer concentration, whereas the contactIn direct contact membrane distillation operation with 3.5 wt-% sodium chloride solution

Keywords： poly(vinylidene fluoride)-co-hexafluoropropylene     thermally induced phase separation     non-toxicdiluent     direct contact membrane distillation    

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Non-convex sparse optimization-based impact force identification with limited vibration measurements

Frontiers of Mechanical Engineering 2023, Volume 18, Issue 3, doi: 10.1007/s11465-023-0762-2

Abstract: Impact force identification is important for structure health monitoring especially in applications involvingDifferent from the traditional direct measurement method, the impact force identification technique isregions, interfering with the accurate identification of the true impact locations.To alleviate such limitations, a novel non-convex sparse regularization method that uses the non-convexThe principle of alternating direction method of multipliers (ADMM) is introduced to tackle the non-convex

Keywords： impact force identification     inverse problem     sparse regularization     under-determined condition     alternating    

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3D Printing of Cell-Container-Like Scaffolds for Multicell Tissue Engineering Article

Xiaoya Wang, Meng Zhang, Jingge Ma, Mengchi Xu, Jiang Chang, Michael Gelinsky, Chengtie Wu

Engineering 2020, Volume 6, Issue 11,   Pages 1276-1284 doi: 10.1016/j.eng.2020.08.001

Abstract:

The development of an engineered non-contact multicellular coculture model that can mimic the in vivoThese scaffolds can be used to simultaneously culture four types of cells in a non-contact way.Furthermore, the establishment of multicellular non-contact systems including three types of cells andThis study offers a new direction for developing a scaffold-based multicellular non-contact coculture

Keywords： 3D cell containers     Non-contact multicellular coculture     Interactions     Angiogenesis     Osteogenesis    

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Wireless passive flexible accelerometer fabricated using micro-electro-mechanical system technology for bending structure surfaces Research Article

Chen LI, Mangu JIA, Yingping HONG, Yanan XUE, Jijun XIONG,lichen@nuc.edu.cn

Frontiers of Information Technology & Electronic Engineering 2022, Volume 23, Issue 5,   Pages 801-809 doi: 10.1631/FITEE.2100236

Abstract: We propose an inductor-capacitor (LC) wireless passive , which eliminates the difficulty in measuring the acceleration on the surface of a bending structure. The accelerometer is composed of a flexible polyimide (PI) substrate and a planar spiral inductance coil (thickness 300 nm), made using . It can be bent or folded at will, and can be attached firmly to the surface of objects with a bending structure. The principle of radio frequency wireless transmission is used to measure the acceleration signal by changing the distance between the accelerometer and the antenna. Compared with other accelerometers with a lead wire, the accelerometer can prevent the lead from falling off in the course of vibration, thereby prolonging its service life. Through establishment of an experimental platform, when the distance between the antenna and accelerometer was 5 mm, the characterization of the surface of bending structures demonstrated the sensing capabilities of the accelerometer at accelerations of 20‒100 m/s. The results indicate that the acceleration and peak-to-peak output voltage were nearly linear, with accelerometer sensitivity reaching 0.27 mV/(m·s). Moreover, the maximum error of the accelerometer was less than 0.037%.

Keywords： structure surfaces     Flexible accelerometer     Micro-electro-mechanical system (MEMS) technology     Wireless non-contact    

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Thin-liquid-film evaporation at contact line

Hao WANG, Zhenai PAN, Zhao CHEN

Frontiers in Energy 2009, Volume 3, Issue 2,   Pages 141-151 doi: 10.1007/s11708-009-0020-2

Abstract: When a liquid wets a solid wall, the extended meniscus near the contact line may be divided into three

Keywords： meniscus     thin film     contact line     disjoining pressure     evaporation    

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Modelling of dynamic contact length in rail grinding process

Shaodan ZHI,Jianyong LI,A. M. ZAREMBSKI

Frontiers of Mechanical Engineering 2014, Volume 9, Issue 3,   Pages 242-248 doi: 10.1007/s11465-014-0305-y

Abstract: accumulated stress concentrations will cause the plastic deformation of rail towards generating corrugations, contactFirst of all, it’s important to analyze the contact length between the grinding stone and the rail, because the contact length is a critical parameter to measure the grinding capabilities of stones.Therefore the theoretical model for contact length is developed based on the geometrical analysis.

Keywords： rail grinding     contact length     dynamic model     Hamiltonian system     grinding stone     rail grinding car    

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Nonlinear restoring force identification based on measured time series

Xu Bin,He Jia

Strategic Study of CAE 2011, Volume 13, Issue 9,   Pages 76-82

Abstract:

In this study, a general nonlinear restoring force (NRF) identification

Keywords： nonlinear restoring force identification     MR damper     least-squares techniques     equivalent linear system     non-parametric model    

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Computation and investigation of mode characteristics in nonlinear system with tuned/mistuned contact

Houxin SHE, Chaofeng LI, Qiansheng TANG, Hui MA, Bangchun WEN

Frontiers of Mechanical Engineering 2020, Volume 15, Issue 1,   Pages 133-150 doi: 10.1007/s11465-019-0557-7

Abstract: This study derived a novel computation algorithm for a mechanical system with multiple friction contactThe procedure uses the incremental harmonic balance method to obtain the nonlinear parameters of the contactMoreover, this study analyzed the effects of the tuned and mistuned contact features on the nonlinear

Keywords： coupling vibration     nonlinear mode     original algorithm     contact interface    

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Transient analysis of thermoelastic contact problem of disk brakes

Ali BELHOCINE, Mostefa BOUCHETARA

Frontiers of Mechanical Engineering 2013, Volume 8, Issue 2,   Pages 150-159 doi: 10.1007/s11465-013-0266-6

Abstract:

The main purpose of this study is to analyze the thermomechanical behavior of the dry contact betweenwith coupling to determine the deformation established and the Von Mises stresses in the disk, the contact

Keywords： brake disks     heat flux     heat-transfer coefficient     Von Mises stress     contact pressure    

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Experimental study and numerical simulation on compressive buckling behavior of thin steel skins in unilateral contact

Nicholas KEAGE, Christopher MAIOLO, Rebecca PIEROTTI, Xing MA

Frontiers of Structural and Civil Engineering 2011, Volume 5, Issue 3,   Pages 335-343 doi: 10.1007/s11709-011-0121-y

Abstract: practical test and finite element analysis has been undertaken to further investigate the effects of contactResults from both analyses have been examined and compared to data established from previous studies on contactThe result of the investigation has confirmed contact buckling theories and has foreshadowed the onsetof the newly observed phenomenon of secondary contact buckling.

Keywords： compressive     buckling     thin steel skins     unilateral contact     rigid constraints    

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Contact Pressure and Fatigue Life Prediction of Kiln Rolling Ring Under Intermittent Contact

Shi Yu,Xiao Yougang,Lei Xianming

Strategic Study of CAE 2006, Volume 8, Issue 7,   Pages 54-57

Abstract:

The mathematical models of contact pressure distribution between rolling ring and shell under intermittentcontact are set up, the formulae of bending moment and bending stress of tyre are obtained.

Keywords： rolling ring     contact pressure     support angle     fatigue life    

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Performance of a hybrid anaerobic-contact oxidation biofilm baffled reactor for the treatment of decentralized

Minmin LIU,Ying ZHAO,Beidou XI,Li’an HOU,Xunfeng XIA

Frontiers of Environmental Science & Engineering 2014, Volume 8, Issue 4,   Pages 598-606 doi: 10.1007/s11783-013-0576-2

Abstract: A novel hybrid anaerobic-contact oxidation biofilm baffled reactor (HAOBR) was developed to simultaneouslyIn addition, the high solid retention time of contact oxidation biofilm contributed to stable performance

Keywords： combination filler     contact oxidation biofilm     food wastewater     anaerobic baffled reactor    

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A fast compound direct iterative algorithm for solving transient line contact elastohydrodynamic lubrication

Jian LIU,Yuxue CHEN,Zhenzhi HE,Shunian YANG

Frontiers of Mechanical Engineering 2014, Volume 9, Issue 2,   Pages 156-167 doi: 10.1007/s11465-014-0297-7

Abstract:

A fast compound direct iterative algorithm for solving transient line contact elastohydrodynamicTwo kinds of numerical results of transient EHL line contact problems under sinusoidal excitation or

Keywords： elastohydrodynamic lubrication     transient     line contact     matrix splitting iteration method     the Thomas method    

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Calculating frictional force with considering material microstructure and potential on contact surfaces

XU Zhongming, HUANG Ping

Frontiers of Mechanical Engineering 2007, Volume 2, Issue 4,   Pages 474-477 doi: 10.1007/s11465-007-0082-y

Abstract: The friction work is calculated with considering the potential change of contact surfaces during sliding

Keywords： coefficient     dissipation mechanism     universal adhesive     interfacial     Independent Oscillator    

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Title Author Date Type Operation

A Non-Contact Original-State Online Real-Time Monitoring Method for Complex Liquids in Industrial Processes

Ning Duan, Linhua Jiang, Fuyuan Xu, Ge Zhang

Journal Article

hexafluoro propylene) membranes prepared via thermally induced phase separation and application in direct contact

Journal Article

Non-convex sparse optimization-based impact force identification with limited vibration measurements

Journal Article

3D Printing of Cell-Container-Like Scaffolds for Multicell Tissue Engineering

Xiaoya Wang, Meng Zhang, Jingge Ma, Mengchi Xu, Jiang Chang, Michael Gelinsky, Chengtie Wu

Journal Article

Wireless passive flexible accelerometer fabricated using micro-electro-mechanical system technology for bending structure surfaces

Chen LI, Mangu JIA, Yingping HONG, Yanan XUE, Jijun XIONG,lichen@nuc.edu.cn

Journal Article

Thin-liquid-film evaporation at contact line

Hao WANG, Zhenai PAN, Zhao CHEN

Journal Article

Modelling of dynamic contact length in rail grinding process

Shaodan ZHI,Jianyong LI,A. M. ZAREMBSKI

Journal Article

Nonlinear restoring force identification based on measured time series

Xu Bin,He Jia

Journal Article

Computation and investigation of mode characteristics in nonlinear system with tuned/mistuned contact

Houxin SHE, Chaofeng LI, Qiansheng TANG, Hui MA, Bangchun WEN

Journal Article

Transient analysis of thermoelastic contact problem of disk brakes

Ali BELHOCINE, Mostefa BOUCHETARA

Journal Article

Experimental study and numerical simulation on compressive buckling behavior of thin steel skins in unilateral contact

Nicholas KEAGE, Christopher MAIOLO, Rebecca PIEROTTI, Xing MA

Journal Article

Contact Pressure and Fatigue Life Prediction of Kiln Rolling Ring Under Intermittent Contact

Shi Yu,Xiao Yougang,Lei Xianming

Journal Article

Performance of a hybrid anaerobic-contact oxidation biofilm baffled reactor for the treatment of decentralized

Minmin LIU,Ying ZHAO,Beidou XI,Li’an HOU,Xunfeng XIA

Journal Article

A fast compound direct iterative algorithm for solving transient line contact elastohydrodynamic lubrication

Jian LIU,Yuxue CHEN,Zhenzhi HE,Shunian YANG

Journal Article

Calculating frictional force with considering material microstructure and potential on contact surfaces

XU Zhongming, HUANG Ping

Journal Article