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Flow-Induced Instabilities in Pump-Turbines in China

Zhigang Zuo,Shuhong Liu

Engineering 2017, Volume 3, Issue 4,   Pages 504-511 doi: 10.1016/J.ENG.2017.04.010

Abstract: scientists working on pump-turbines, this paper summarizes the hydraulic instabilities and performance characteristics

Keywords： Pump-turbines     Flow-induced instability     Pressure fluctuations     S-shaped characteristics     Positive slopes    

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China’s Coal Resources: Octothorpe Shaped Distribution Characteristics and Sustainable Development Strategies

Peng Suping,Zhang Bo and Wang Tong

Strategic Study of CAE 2015, Volume 17, Issue 9,   Pages 29-35

Abstract:

Coal is the dominant energy resource in China’s primary energy mix.The systematical identification of distribution pattern and occurrence characteristic of China’sDa Hingganling-Taihangshan-Xuefengshan Line and Helanshan-Longmenshan Line), and then an octothorpe shapedThe octothorpe shaped division can not only reflect the aggregation and distribution pattern of China’s coal basin and coal resources, but also be directly relative to the physical geographic feature

Keywords： coal resources     octothorpe shaped distribution     eastern resource protection     sustainable development    

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A New Model Shaped Charge Warhead and the Discussion of It's Evolution

An Erfeng,Shen Zhaowu,Zhou Tingqing,Wang Derun

Strategic Study of CAE 2004, Volume 6, Issue 6,   Pages 85-90

Abstract:

The shaped charge warheads are designed only based on one single liner absolutely today.Authors of this paper put forward a new combined model of shaped charge warhead based on the energy viewpointThe experiment results reveal that the penetration of new model shaped charge warhead can achieve anA design of new shaped charge warhead is put out against the ERA.

Keywords： shaped charge warhead     explosively formed projectile     shaped charge jet     ERA     penetration    

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A novel flow electrode capacitive deionization device with spindle-shaped desalting chamber

Frontiers of Environmental Science & Engineering 2023, Volume 18, Issue 4, doi: 10.1007/s11783-024-1800-y

Abstract:

● A spindle-shaped influent chamber was designed and equipped in

Keywords： Spindle-shaped chamber     Desalination performance     Flow electrode capacitive deionization    

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The Arithmetic of GTEM Cell Axe-shaped Piece´s Side Curve Equation

Zhou Xu

Strategic Study of CAE 2003, Volume 5, Issue 9,   Pages 36-38

Abstract:

To be convenient for machining, the conventional axe-shaped pieces were approximately designed.So this paper gives the exact continuous curve equation for the axe-shaped piece´s two sides for

Keywords： giga-hz transverse electromagnetic cell     the axe-shaped piece     the side curve equation     impedance matching    

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Machine of testing the ceramic’s bending strength properties at high temperature and ultra-low

Jianhui ZHANG, Fang YE, Onuki AKIYOSHI,

Frontiers of Mechanical Engineering 2010, Volume 5, Issue 3,   Pages 289-293 doi: 10.1007/s11465-010-0094-x

Abstract: According to the established rules for testing ceramic’s bending strength, the falling velocityFor the machine of testing the ceramic’s bending strength properties, most designs adopt the lowestvelocity is increasing; thus, the intense requirements for the machine of testing the ceramic’s

Keywords： piezoelectricity     value     pump     experiment     “     E”     -shaped value    

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Bending performance of composite bridge deck with T-shaped ribs

Qingtian SU, Changyuan DAI, Xu JIANG

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 4,   Pages 990-997 doi: 10.1007/s11709-019-0532-8

Abstract: new type of steel-concrete composite deck, which is composed of orthotropic steel deck (OSD) with T-shaped

Keywords： bending performance     composite bridge deck     T-shaped steel ribs    

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V-shaped substrate for surface and volume enhanced Raman spectroscopic analysis of microplastics

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 11, doi: 10.1007/s11783-022-1578-8

Abstract:

● V-shaped substrate was obtained for SERS analysis of microplastics

Keywords： SERS     V-shaped     AAO     Microplastic     Atmospheric aerosol    

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Performance of vertical axis water turbine with eye-shaped baffle for pico hydropower

Zhuohuan HU, Dongcheng WANG, Wei LU, Jian CHEN, Yuwen ZHANG

Frontiers in Energy 2022, Volume 16, Issue 4,   Pages 683-696 doi: 10.1007/s11708-020-0689-9

Abstract: The turbine with an eye-shaped vertical water baffle was developed to evaluate the hydraulic performanceThe proper eye-shaped baffle not only accelerates the fluid flow and generates positive hydrodynamic

Keywords： vertical axis water turbine     eye-shaped     vertical water baffle     pico hydropower    

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Parametric computational study on butterfly-shaped hysteretic dampers

Ali Reza FARZAMPOUR, Matthew Roy EATHERTON

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 5,   Pages 1214-1226 doi: 10.1007/s11709-019-0550-6

Abstract: investigate the shear yielding, flexural yielding, and lateral torsional buckling limit states for butterfly-shapedThe results indicate that as the shape of the butterfly-shaped links become too straight or conversely

Keywords： structural fuse     hysteretic damper     finite element analysis     energy dissipation     initial imperfection     butterfly-shaped    

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Optimization of WEDM process of pure titanium with multiple performance characteristics using Taguchi’s DOE approach and utility concept

Rupesh CHALISGAONKAR, Jatinder KUMAR

Frontiers of Mechanical Engineering 2013, Volume 8, Issue 2,   Pages 201-214 doi: 10.1007/s11465-013-0256-8

Abstract: Experiments were planned using Taguchi’s L27 orthogonal array.

Keywords： wire electro-discharge machining (WEDM)     Taguchi method     analysis of variance (ANOVA)     utility concept     cutting speed (CS)     surface roughness (SR)    

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Thermal degradation characteristics and products obtained after pyrolysis of specific polymers found

Rousi, Dimitris S. Achilias

Frontiers of Environmental Science & Engineering 2017, Volume 11, Issue 5, doi: 10.1007/s11783-017-0996-5

Abstract: Modern societies strongly support the recycling practices over simple waste accumulation due to environmental harm caused. In the framework of sustainable recycling of plastics from WEEE, pyrolysis is proposed here as a means of obtaining secondary value-added products. The aim of this study was to investigate the thermal degradation and the products obtained after pyrolysis of specific polymers found in the plastic part of WEEE, using thermogravimetric analysis and a pyrolizer equipped with a GC/MS. Polymers studied include ABS, HIPS, PC and a blend having a composition similar to that appearing in WEEE. It was found that, PC shows greater heat endurance compared to the other polymers, whereas ABS depolymerizes in three-steps. The existence of several polymers in the blend results in synergistic effects which decrease the onset and final temperature of degradation. Moreover, the fragmentation occurred in the pyrolyzer, at certain temperatures, resulted in a great variety of compounds, depending on the polymer type, such as monomers, aromatic products, phenolic compounds and hydrocarbons. The main conclusion from this investigation is that pyrolysis could be an effective method for the sustainable recycling of the plastic part of WEEE resulting in a mixture of chemicals with varying composition but being excellent to be used as fuel retrieved from secondary recycling sources.

Keywords： Pyrolysis     WEEE recycling     ABS     HIPS     PC     Py-GC/MS     TGA    

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Characteristics and mixing state of S-rich particles in haze episodes in Beijing

Jun Hu, Fengkui Duan, Kebin He, Yongliang Ma, Shuping Dong, Xiande Liu

Frontiers of Environmental Science & Engineering 2016, Volume 10, Issue 5, doi: 10.1007/s11783-016-0861-y

Abstract: Four types of S-rich particles are identified by SEM/FESEM-EDX With on-line observation, characteristicsof S-rich particles are discovered Intensities of formation of S-rich particles are seasonally different, S-rich mineral particles (SRM), S-rich water droplets (SRW) and (C, O, S)-rich particles (COS) werethat (C, O, S)-rich particles had two major mixing states in different seasons.On the basis of the S-rich particles’ relative abundances, S concentrations and their relationships with

Keywords： S-rich particles     Morphology     Element distribution     Mixing state    

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Seismic behavior experimental study of frame joints with special-shaped column and dispersed steel bar

Shuchun LI, Bo DIAO, Youpo SU,

Frontiers of Structural and Civil Engineering 2009, Volume 3, Issue 4,   Pages 378-383 doi: 10.1007/s11709-009-0064-8

Abstract: To overcome the problem that steel bars are put too close at a flame joint with special-shaped beam andcolumn, mechanical performance of three groups of six RC flame joints with special-shaped (L, T and+Experimental comparison was conducted between special-shaped (L, T and+) column and normal beams.of experimental analysis indicate that the mechanical and seismic behaviors of frame joints with T-shapedand+-shaped column are nearly not changed when suitable proportion steel bars are dispersed to flange

Keywords： beam with dispersed steel bar     flame joints with special-shaped beam and column     seismic behavior     scale    

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Soil arching effect of Lattice-Shaped Diaphragm Wall as bridge foundation

Jiujiang WU, Lingjuan WANG, Qiangong CHENG

Frontiers of Structural and Civil Engineering 2017, Volume 11, Issue 4,   Pages 446-454 doi: 10.1007/s11709-017-0397-7

Abstract: As a new type of bridge foundation, Lattice-Shaped Diaphragm Wall (hereinafter for LSDW) is highly concerned

Keywords： LSDW     soil arching     PFC2D     shape of soil arching     influencing factors    

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Title Author Date Type Operation

Flow-Induced Instabilities in Pump-Turbines in China

Zhigang Zuo,Shuhong Liu

Journal Article

China’s Coal Resources: Octothorpe Shaped Distribution Characteristics and Sustainable Development Strategies

Peng Suping,Zhang Bo and Wang Tong

Journal Article

A New Model Shaped Charge Warhead and the Discussion of It's Evolution

An Erfeng,Shen Zhaowu,Zhou Tingqing,Wang Derun

Journal Article

A novel flow electrode capacitive deionization device with spindle-shaped desalting chamber

Journal Article

The Arithmetic of GTEM Cell Axe-shaped Piece´s Side Curve Equation

Zhou Xu

Journal Article

Machine of testing the ceramic’s bending strength properties at high temperature and ultra-low

Jianhui ZHANG, Fang YE, Onuki AKIYOSHI,

Journal Article

Bending performance of composite bridge deck with T-shaped ribs

Qingtian SU, Changyuan DAI, Xu JIANG

Journal Article

V-shaped substrate for surface and volume enhanced Raman spectroscopic analysis of microplastics

Journal Article

Performance of vertical axis water turbine with eye-shaped baffle for pico hydropower

Zhuohuan HU, Dongcheng WANG, Wei LU, Jian CHEN, Yuwen ZHANG

Journal Article

Parametric computational study on butterfly-shaped hysteretic dampers

Ali Reza FARZAMPOUR, Matthew Roy EATHERTON

Journal Article

Optimization of WEDM process of pure titanium with multiple performance characteristics using Taguchi’s DOE approach and utility concept

Rupesh CHALISGAONKAR, Jatinder KUMAR

Journal Article

Thermal degradation characteristics and products obtained after pyrolysis of specific polymers found

Rousi, Dimitris S. Achilias

Journal Article

Characteristics and mixing state of S-rich particles in haze episodes in Beijing

Jun Hu, Fengkui Duan, Kebin He, Yongliang Ma, Shuping Dong, Xiande Liu

Journal Article

Seismic behavior experimental study of frame joints with special-shaped column and dispersed steel bar

Shuchun LI, Bo DIAO, Youpo SU,

Journal Article

Soil arching effect of Lattice-Shaped Diaphragm Wall as bridge foundation

Jiujiang WU, Lingjuan WANG, Qiangong CHENG

Journal Article