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Project Design of a Pulsed D-D Fusion Neutron Source Based on Field Reversed Configuration

Pan Yuan , Wang Zhijiang , Wu Songtao , Zhang Ming , Chen Zhipeng , Rao Bo , Zhu Ping , Yang Yong , Ding Yonghua

Strategic Study of CAE 2022, Volume 24, Issue 3,   Pages 205-213 doi: 10.15302/J-SSCAE-2022.03.021

Abstract: In this paper, the magnetic field configuration, heating scheme design, and related calculations areThe plasma temperature, density evolution process, and the corresponding neutron yield of the field reversedconfiguration (FRC) plasma after two-stage cascade magnetic compression are analyzed, and the suppressionof the magnetic fluid instabilities such as tilted and rotating modes of the FRC plasma after considering

Keywords： fusion neutron source     field reversal configuration plasma     magnetic compression     deuterium-deuterium    

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Time reversal method for guided wave inspection in pipes

DENG Fei, WU Bin, HE Cunfu

Frontiers of Mechanical Engineering 2008, Volume 3, Issue 3,   Pages 251-260 doi: 10.1007/s11465-008-0050-1

Abstract: The application of the time reversal method in pipe-like structures based on finite element method (FEMmeasuring 70 mm × 3.5 mm is used to analyze the reflection coefficient of the (0,2) mode with the time reversalIn parallel, a circumferential locating method based on the time reversal method is described.The time reversal process used for guided wave inspection leads to the temporal and spatial focusing.When the time reversal signals are re-emitted, the angular profile obtained at the axial location of

Keywords： reversal process     beneficial     circumferential location     energy     number    

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Research Status and Development of the Magnetic Field Design for Stationary Plasma Thruster

Yu Daren,Wu Zhiwen,E Peng,A.I.Bugrova

Strategic Study of CAE 2005, Volume 7, Issue 4,   Pages 22-29

Abstract:

The Stationary Plasma Thruster (SPT) will play a very important role for China's future spaceAnd the magnetic field is the key to improve the performance of SPT.The evolvement of the magnetic field character applied to the two generations SPT has been reviewed.Then a set of engineering method used in the magnetic field design for SPT is set up in the paper.At last, more advanced development and application of the magnetic field design method is imaged.

Keywords： space electric propulsion     stationary plasma thruster     magnetic field design     development trend    

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TiO supported IrO for anode reversal tolerance in proton exchange membrane fuel cell

Frontiers in Energy 2022, Volume 16, Issue 5,   Pages 852-861 doi: 10.1007/s11708-021-0811-7

Abstract: supported IrOx is synthesized by utilizing the surfactant-assistant method and serves as reversalBesides, the MEA has a longer reversal time (530 min) than IrOx (75 min), showing anexcellent reversal tolerance./Ti4O7 with a high dispersity has a great potential to the application on the reversal

Keywords： proton exchange membrane fuel cell (PEMFC)     fuel starvation     cell reverse     reversal tolerance anode    

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Flow, thermal, and vibration analysis using three dimensional finite element analysis for a flux reversal

B. VIDHYA,K. N. SRINIVAS

Frontiers in Energy 2016, Volume 10, Issue 4,   Pages 424-440 doi: 10.1007/s11708-016-0423-9

Abstract: This paper presents the simulation of major mechanical properties of a flux reversal generator (FRG)

Keywords： flux reversal generator     air velocity     computation fluid dynamics     thermal analysis     vibration analysis     finite    

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Effects of green roof damping and configuration on structural seismic response

Frontiers of Structural and Civil Engineering   Pages 1133-1144 doi: 10.1007/s11709-023-0959-9

Abstract: Sustainable structures are critical for addressing global climate change. Hence, their structural resilience or ability to recover from natural events must be considered comprehensively. Green roofs are a widely used sustainable feature that improve the environment while providing excellent occupant amenity. To expand their usage, their inherent damping and layout sensitivity to seismic performance are investigated in this study. The soil of a green roof can serve as a damper to dissipate the energy generated by earthquakes or other dynamic events. Results of preliminary analysis show that a green roof soil can increase localized damping by 2.5% under both dry and saturated conditions. Based on these findings, nonlinear time-history analyses are conducted on a three-story building in SAP2000 to monitor the structural behavior with and without a green roof. The increased damping in the green roof soil is beneficial to the structural performance, i.e., it reduces the building displacement and acceleration by 10% and 12%, respectively. Additionally, certain configurations are more effective and beneficial to the structural response than others, which suggests the possibility of design optimization. Based on the findings of this study, new methods of modeling and considering green roofs in structural design are established.

Keywords： green infrastructure     green roof     structural resilience     seismic design    

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Effect of cutterhead configuration on tunnel face stability during shield machine maintenance outages

Frontiers of Structural and Civil Engineering 2023, Volume 17, Issue 4,   Pages 522-532 doi: 10.1007/s11709-023-0930-9

Abstract: Owing to long-distance advancement or obstacles, shield tunneling machines are typically shut down for maintenance. Engineering safety during maintenance outages is determined by the stability of the tunnel face. Pressure maintenance openings are typically used under complicated hydrogeological conditions. The tunnel face is supported by a medium at the bottom of the excavation chamber and compressed air at the top. Owing to the high risk of face failure, the necessity of support pressure when cutterhead support is implemented and a method for determining the value of compressed air pressure using different support ratios must to be determined. In this study, a non-fully chamber supported rotational failure model considering cutterhead support is developed based on the upper-bound theorem of limit analysis. Numerical simulation is conducted to verify the accuracy of the proposed model. The results indicate that appropriately increasing the specific gravity of the supporting medium can reduce the risk of collapse. The required compressed air pressure increases significantly as the support ratio decreases. Disregarding the supporting effect of the cutterhead will result in a tunnel face with underestimated stability. To satisfy the requirement of chamber openings at atmospheric pressure, the stratum reinforcement strength and range at the shield end are provided based on different cutterhead aperture ratios.

Keywords： tunnel face stability     cutterhead configuration     aperture ratio     pressure gradient     support ratio    

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Optimizing the configuration of a clearwell by integrating pilot and full-scale tracer testing

LIU Wenjun, DU Zhipeng, JIN Junwei

Frontiers of Environmental Science & Engineering 2007, Volume 1, Issue 3,   Pages 270-275 doi: 10.1007/s11783-007-0045-x

Abstract: confirmed that the installation of baffles within clearwells is an efficient way to optimize their configuration
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Diagnostic evaluation of plasma aldosterone concentration to plasma renin activity ratio in primary aldosteronism

ZHANG Huilan, WANG Daowen

Frontiers of Medicine 2008, Volume 2, Issue 1,   Pages 11-14 doi: 10.1007/s11684-008-0003-4

Abstract: Using the plasma aldosterone concentration to plasma renin activity ratio (PAC/PRA ratio) as the screeningThe plasma aldosterone concentration (PAC) and plasma renin activity (PRA) levels were measured by radioimmunoassay
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Important parameters in plasma jets for the production of RONS in liquids for plasma medicine: A brief

Anna Khlyustova, Cédric Labay, Zdenko Machala, Maria-Pau Ginebra, Cristina Canal

Frontiers of Chemical Science and Engineering 2019, Volume 13, Issue 2,   Pages 238-252 doi: 10.1007/s11705-019-1801-8

Abstract: Reactive oxygen and nitrogen species (RONS) are among the key factors in plasma medicine.The wide variety of plasma sources hampers comparisons.This review focuses on atmospheric pressure plasma jets as the most studied plasma devices in plasma

Keywords： atmospheric plasma jets     liquids     ROS     RNS     plasma-dose    

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Tracing the impact of stack configuration on interface resistances in reverse electrodialysis by in situ

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 4, doi: 10.1007/s11783-021-1480-9

Abstract:

• RED performance and stack resistance were studied by EIS and LSV.

Keywords： Reverse electrodialysis     Electrochemical impedance spectroscopy     Concentration polarization     Spacer shadow effect    

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Kinetic Monte Carlo simulations of plasma-surface reactions on heterogeneous surfaces

Daniil Marinov

Frontiers of Chemical Science and Engineering 2019, Volume 13, Issue 4,   Pages 815-822 doi: 10.1007/s11705-019-1837-9

Abstract: Plasma-surface interactions are complex and relatively poorly understood.performed over the last decade by several groups prove that interactions of reactive species with relevant plasma-facing

Keywords： plasma-surface interaction     kinetic Monte Carlo     plasma nano technology    

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From plasma to plasmonics: toward sustainable and clean water production through membranes

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 12,   Pages 1809-1836 doi: 10.1007/s11705-023-2339-3

Abstract: To mitigate such effects, membranes can be treated through two techniques: plasma treatment (a surfaceThis article showcases plasma- and plasmonic-based treatments in the context of water desalination/purification

Keywords： water treatment     membrane-based process     plasma treatment     plasma polymerization     plasmonic     light-to-heat    

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Atomistic simulations of plasma catalytic processes

Erik C. Neyts

Frontiers of Chemical Science and Engineering 2018, Volume 12, Issue 1,   Pages 145-154 doi: 10.1007/s11705-017-1674-7

Abstract: There is currently a growing interest in the realisation and optimization of hybrid plasma/catalyst systemsIn this contribution, an overview is presented on atomic scale simulations of plasma catalytic processesIn particular, this contribution focusses on plasma-assisted catalyzed carbon nanostructure growth, andplasma catalysis for greenhouse gas conversion.

Keywords： atomic scale simulation     plasma-catalyst    

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Plasma-catalysis: Is it just a question of scale?

J. Christopher Whitehead

Frontiers of Chemical Science and Engineering 2019, Volume 13, Issue 2,   Pages 264-273 doi: 10.1007/s11705-019-1794-3

Abstract: describing and understanding the changes in performance that result when a catalyst is placed into plasmaphysical interactions that result and how their combination might produce beneficial results for the plasma-catalyticThe focus is on non-thermal plasma where the lack of thermal equilibrium creates a range of temperatureIt is concluded that plasma-catalysis is best regarded as conventional catalysis perturbed by the presenceThe sometimes used description “plasma-activated catalysis” is an apt one.

Keywords： plasma catalysis     plasma-activated catalysis     non-thermal plasma     CO2 conversion    

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Title Author Date Type Operation

Project Design of a Pulsed D-D Fusion Neutron Source Based on Field Reversed Configuration

Pan Yuan , Wang Zhijiang , Wu Songtao , Zhang Ming , Chen Zhipeng , Rao Bo , Zhu Ping , Yang Yong , Ding Yonghua

Journal Article

Time reversal method for guided wave inspection in pipes

DENG Fei, WU Bin, HE Cunfu

Journal Article

Research Status and Development of the Magnetic Field Design for Stationary Plasma Thruster

Yu Daren,Wu Zhiwen,E Peng,A.I.Bugrova

Journal Article

TiO supported IrO for anode reversal tolerance in proton exchange membrane fuel cell

Journal Article

Flow, thermal, and vibration analysis using three dimensional finite element analysis for a flux reversal

B. VIDHYA,K. N. SRINIVAS

Journal Article

Effects of green roof damping and configuration on structural seismic response

Journal Article

Effect of cutterhead configuration on tunnel face stability during shield machine maintenance outages

Journal Article

Optimizing the configuration of a clearwell by integrating pilot and full-scale tracer testing

LIU Wenjun, DU Zhipeng, JIN Junwei

Journal Article

Diagnostic evaluation of plasma aldosterone concentration to plasma renin activity ratio in primary aldosteronism

ZHANG Huilan, WANG Daowen

Journal Article

Important parameters in plasma jets for the production of RONS in liquids for plasma medicine: A brief

Anna Khlyustova, Cédric Labay, Zdenko Machala, Maria-Pau Ginebra, Cristina Canal

Journal Article

Tracing the impact of stack configuration on interface resistances in reverse electrodialysis by in situ

Journal Article

Kinetic Monte Carlo simulations of plasma-surface reactions on heterogeneous surfaces

Daniil Marinov

Journal Article

From plasma to plasmonics: toward sustainable and clean water production through membranes

Journal Article

Atomistic simulations of plasma catalytic processes

Erik C. Neyts

Journal Article

Plasma-catalysis: Is it just a question of scale?

J. Christopher Whitehead

Journal Article