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Effects of sheet thickness and material on the mechanical properties of flat clinched joint

Chao CHEN, Huiyang ZHANG, Shengdun ZHAO, Xiaoqiang REN

Frontiers of Mechanical Engineering 2021, Volume 16, Issue 2,   Pages 410-419 doi: 10.1007/s11465-020-0618-y

Abstract: The flat clinching process is attracting a growing attention in the joining field of lightweight materialsbecause it avoids the geometric protrusion that appears in the conventional clinching process.The flat clinching process has a great potential in joining dissimilar and various thickness materials

Keywords： clinched joint     flat clinching process     thickness configuration     material configuration     mechanical property    

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Quantitative analysis of microplastics in coastal tidal-flat reclamation in Dongtai, China

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 8, doi: 10.1007/s11783-022-1528-5

Abstract:

• Reclamation projects are important disturbances on microplastic risk in coasts.

Keywords： Coastal reclamation     Engineering geotextiles     Soil microplastics     Weathering simulation     Marine emission    

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Magnetohydrodynamic slip flow and diffusion of a reactive solute past a permeable flat plate with suction

Krishnendu BHATTACHARYYA, G. C. LAYEK

Frontiers of Chemical Science and Engineering 2011, Volume 5, Issue 4,   Pages 471-476 doi: 10.1007/s11705-011-1130-z

Abstract: The magnetohydrodynamic (MHD) boundary layer slip flow and solute transfer over a porous plate in the presence of a chemical reaction are investigated. The governing equations were transformed into self-similar ordinary differential equations by adopting the similarity transformation technique. Then the numerical solutions are obtained by a shooting technique using the fourth order Runge-Kutta method. The study reveals that due to the increase in the boundary slip, the concentration decreases and the velocity increases. On the other hand, with an increase in the magnetic field and mass suction, both boundary layer thicknesses decreased. As the Schmidt number and the reaction rate parameter increases, the concentration decreases and the mass transfer increases.

Keywords： slip flow     MHD boundary layer     reactive solute diffusion     flat plate     suction/injection    

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Transference Process Analysis of Flat Top Laser Pulse in the Uneven Media

Zhang Shaojun,Liu Jingwan,Huang Liu

Strategic Study of CAE 2002, Volume 4, Issue 6,   Pages 13-15

Abstract: type square wave YAG laser's stability, reliability and nonlinear application, the transmission processof flat top laser pules, which is produced with the slowly adjusting Q cavity flowing empty technology

Keywords： equivalent and self-focusing     uneven media     slowly adjusting Q cavity flowing empty     flat top laser pulse    

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Nonlinear numerical simulation of punching shear behavior of reinforced concrete flat slabs with shear-heads

Dan V. BOMPA, Ahmed Y. ELGHAZOULI

Frontiers of Structural and Civil Engineering 2020, Volume 14, Issue 2,   Pages 331-356 doi: 10.1007/s11709-019-0596-5

Abstract: This paper examines the structural response of reinforced concrete flat slabs, provided with fully-embedded

Keywords： non-linear numerical modelling     concrete damage plasticity     RC flat slabs     shear-heads     punching shear    

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Preparation and characterization of PVDF-PFSA flat sheet ultrafiltration membranes

Jiquan MA, Junhong ZHAO, Zhongbin REN, Lei LI

Frontiers of Chemical Science and Engineering 2012, Volume 6, Issue 3,   Pages 301-310 doi: 10.1007/s11705-012-1204-6

Abstract: High performance polyvinylidene fluoride (PVDF) flat sheet ultrafiltration (UF) membranes have been prepared

Keywords： polyvinylidene fluoride     perfluorosulfonic acid     polyethylene glycol     flat sheet membrane     ultrafiltration    

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Modeling of Ce(IV) transport through a dispersion flat combined liquid membrane with carrier P507

Liang PEI,Liming WANG,Zhanying MA

Frontiers of Environmental Science & Engineering 2014, Volume 8, Issue 4,   Pages 503-509 doi: 10.1007/s11783-013-0540-1

Abstract: mathematical model for the transport of Ce(IV) from hydrochloric acid solutions through dispersion flatThis process of facilitated transport, based on membrane technology, is a variation on the conventional

Keywords： Dispersion flat combined liquid membrane (DFCLM)     dispersion phase     feed phase     2-ethyl hexyl phosphonic    

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Enhanced cross-flow filtration with flat-sheet ceramic membranes by titanium-based coagulation for membrane

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 8, doi: 10.1007/s11783-022-1531-x

Abstract:

• Ceramic membrane filtration showed high performance for surface water treatment.

Keywords： Ceramic membrane     Coagulation     Polytitanium chloride     Membrane fouling    

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Compatibility of Utilization and Protection ofTidal Flat and Wetland：A Case Study in Shanghai Area

Chen Jiyu,Cheng Heqin,Dai Zhijun

Strategic Study of CAE 2007, Volume 9, Issue 6,   Pages 11-17

Abstract:

As an important natural resource,  tidal flat imposed wetland is Based on the case of Shanghai area in the Changjiang Estuary,  concept of tidal flat is firstlyFundamental features of tidal flat, and its responsibility to the discharge change of water and sediment Present dynamic processes and change tendency of different types of tidal flat are illuminatedreasonable exploitation,  dynamic protection and ecosystem resilience of each individual tidal flat

Keywords： Shanghai area     tidal flat     wetland     utilization     protection    

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Transversal tube pitch effects on local heat transfer characteristics of the flat tube bank fin mounted

Liangbi WANG, Zhimin LIN, Kangjie SUN, Yuanxin DONG, Song LIU, Yongheng ZHANG,

Frontiers in Energy 2010, Volume 4, Issue 3,   Pages 333-345 doi: 10.1007/s11708-009-0061-6

Abstract: focused on the effect of transversal tube pitch on the local heat transfer performance of the three-row flat

Keywords： heat transfer enhancement     vortex generator     finned flat tube bank     heat exchanger    

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Designing Space-time Trellis Codes in Flat Fast Fading Channels With Large Number of Antennas

Geng Jia,Cao Xiuying,Bi Guangguo

Strategic Study of CAE 2006, Volume 8, Issue 6,   Pages 48-54

Abstract: In flat fast fading channels, when the number of antennas is large, the space-time trellis codes design

Keywords： space-time trellis code     criterion     flat fast fading     distance     distribution    

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Electro-assisted CNTs/ceramic flat sheet ultrafiltration membrane for enhanced antifouling and separation

Shuo Wei, Lei Du, Shuo Chen, Hongtao Yu, Xie Quan

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 1, doi: 10.1007/s11783-020-1303-4

Abstract: Ultrafiltration is employed as an important process for water treatment and reuse, which is of greatIn this work, a CNTs/ceramic flat sheet ultrafiltration membrane coupled with electro-assistance wasThe CNTs/ceramic flat sheet membrane was fabricated by coating cross-linked CNTs on ceramic membrane,Furthermore, the electro-assisted membrane filtration process showed 70% reduction in energy consumptioncompared with the filtration process of the commercial membrane.

Keywords： Ultrafiltration     Electro-assistance     CNTs     Membrane fouling mitigation    

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Thermal-hydraulic performance of novel louvered fin using flat tube cross-flow heat exchanger

DONG Junqi, CHEN Jiangping, CHEN Zhijiu

Frontiers in Energy 2008, Volume 2, Issue 1,   Pages 99-106 doi: 10.1007/s11708-008-0010-9

Abstract: investigate the air-side heat transfer and pressure drop characteristics of a novel louvered fins and flat

Keywords： obvious effect     different     thermal hydraulic     constant tube-side     Colburn    

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Influence of loading ratio on flat slab connections at elevated temperature: A numerical study

Rwayda Kh. S. AL-HAMD, Martin GILLIE, Safaa Adnan MOHAMAD, Lee S. CUNNINGHAM

Frontiers of Structural and Civil Engineering 2020, Volume 14, Issue 3,   Pages 664-674 doi: 10.1007/s11709-020-0620-9

Abstract: For reinforced concrete members subjected to high temperature, the degree of in-service loading, commonly expressed as the loading ratio, can be highly influential on the structural behavior. In particular, the loading ratio may be pivotal in relation to the phenomenon of load-induced thermal strain. Despite its potentially pivotal role, to date, the influence of the loading ratio on both material and structural behavior has not been explored in detail. In practice, real structures experience variation in imposed loading during their service life and it is important to understand the likely response at elevated temperatures across the loading envelope. In this paper, the effect of the loading ratio is numerically investigated at both material and structural level using a validated finite element model. The model incorporates a proposed constitutive model accounting for load-induced thermal strain and this is shown to outperform the existing Eurocode 2 model in terms of accuracy. Using the validated model, the specific case of flats slabs and the associated connections to supporting columns at various loading ratios are explored. For the cases examined, a marked difference in the structural behavior including displacement direction was captured from low to high loading ratios consistent with experimental observations.

Keywords： concrete     finite elements     fire     load-induced thermal strain     punching shear    

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A preliminary analysis and discussion of the condominium building collapse in surfside, Florida, US, June 24, 2021

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 5,   Pages 1097-1110 doi: 10.1007/s11709-021-0766-0

Abstract: On June 24, 2021, a 40-year-old reinforced concrete flat plate structure building in Miami suffered aThe collapse process was simulated and visualized using a physics engine.

Keywords： progressive collapse     flat plate     simulation     punching    

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Title Author Date Type Operation

Effects of sheet thickness and material on the mechanical properties of flat clinched joint

Chao CHEN, Huiyang ZHANG, Shengdun ZHAO, Xiaoqiang REN

Journal Article

Quantitative analysis of microplastics in coastal tidal-flat reclamation in Dongtai, China

Journal Article

Magnetohydrodynamic slip flow and diffusion of a reactive solute past a permeable flat plate with suction

Krishnendu BHATTACHARYYA, G. C. LAYEK

Journal Article

Transference Process Analysis of Flat Top Laser Pulse in the Uneven Media

Zhang Shaojun,Liu Jingwan,Huang Liu

Journal Article

Nonlinear numerical simulation of punching shear behavior of reinforced concrete flat slabs with shear-heads

Dan V. BOMPA, Ahmed Y. ELGHAZOULI

Journal Article

Preparation and characterization of PVDF-PFSA flat sheet ultrafiltration membranes

Jiquan MA, Junhong ZHAO, Zhongbin REN, Lei LI

Journal Article

Modeling of Ce(IV) transport through a dispersion flat combined liquid membrane with carrier P507

Liang PEI,Liming WANG,Zhanying MA

Journal Article

Enhanced cross-flow filtration with flat-sheet ceramic membranes by titanium-based coagulation for membrane

Journal Article

Compatibility of Utilization and Protection ofTidal Flat and Wetland：A Case Study in Shanghai Area

Chen Jiyu,Cheng Heqin,Dai Zhijun

Journal Article

Transversal tube pitch effects on local heat transfer characteristics of the flat tube bank fin mounted

Liangbi WANG, Zhimin LIN, Kangjie SUN, Yuanxin DONG, Song LIU, Yongheng ZHANG,

Journal Article

Designing Space-time Trellis Codes in Flat Fast Fading Channels With Large Number of Antennas

Geng Jia,Cao Xiuying,Bi Guangguo

Journal Article

Electro-assisted CNTs/ceramic flat sheet ultrafiltration membrane for enhanced antifouling and separation

Shuo Wei, Lei Du, Shuo Chen, Hongtao Yu, Xie Quan

Journal Article

Thermal-hydraulic performance of novel louvered fin using flat tube cross-flow heat exchanger

DONG Junqi, CHEN Jiangping, CHEN Zhijiu

Journal Article

Influence of loading ratio on flat slab connections at elevated temperature: A numerical study

Rwayda Kh. S. AL-HAMD, Martin GILLIE, Safaa Adnan MOHAMAD, Lee S. CUNNINGHAM

Journal Article

A preliminary analysis and discussion of the condominium building collapse in surfside, Florida, US, June 24, 2021

Journal Article