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Mechanism and control factors of hydrate plugging in multiphase liquid-rich pipeline flow systems: a

Shuwei ZHANG, Liyan SHANG, Zhen PAN, Li ZHOU, You GUO

Frontiers in Energy 2022, Volume 16, Issue 5,   Pages 747-773 doi: 10.1007/s11708-022-0830-z

Abstract: and high-pressure environment, although requiring the cooperation of flow rate, water content, gas-liquidanalyzed the significant research efforts specializing in the mechanisms of hydrate blockages in the liquid-richsystem, including oil-based, water-based, and partially dispersed systems (PD systems), in gatheringReasons of diversity of hydrate plugging mechanism in oil-based system ought to be studied in-depth by

Keywords： hydrate     flow rate     water content     mechanism of pipeline blockage     rich liquid phase system    

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Research progress on hydrate plugging in multiphase mixed rich-liquid transportation pipelines

Shuyu SONG, Zhiming LIU, Li ZHOU, Liyan SHANG, Yaxin WANG

Frontiers in Energy 2022, Volume 16, Issue 5,   Pages 774-792 doi: 10.1007/s11708-020-0688-x

Abstract: The plugging mechanism of multiphase mixed rich-liquid transportation in submarine pipeline is a prerequisiteexperimental devices used to study multiphase flow, and summarized the plugging progress and mechanism in the liquid-richsystem.Besides, it divided the rich-liquid phase system into an oil-based system, a partially dispersed systemNext, the dynamic analysis of a multiphase mixed rich-liquid transportation pipeline should be coupled

Keywords： hydrate     rich-liquid phase     plugging mechanism     coalescence     deposition     anti-agglomerate    

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Development of new transient liquid phase system Au-Sn-Au for microsystem technology

Kirsten BOBZIN, Nazlim BAGCIVAN, Lidong ZHAO, Stefania FERRARA, Jan PERNE

Frontiers of Mechanical Engineering 2010, Volume 5, Issue 4,   Pages 370-375 doi: 10.1007/s11465-010-0107-9

Abstract: In this study, a new transient liquid phase (TLP) system Au-Sn-Au was developed for potential medical

Keywords： transient liquid phase     microtechnology     soldering     diffusion     physical vapor deposition (PVD)    

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Microfluidic production of liposomes through liquid–liquid phase separation in ternary droplets

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 6,   Pages 1017-1022 doi: 10.1007/s11705-021-2118-y

Abstract: For demonstration, we used butyl acetate-water-ethanol ternary mixtures as inner phase and an aqueoussolution of surfactants as outer phase to make oil-in-water droplets, which can evolve into water-in-oil-in-waterdouble emulsion droplets by liquid–liquid phase separation of ternary mixtures.

Keywords： microfluidics     liposomes     ternary droplets     phase separation    

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Advances and perspectives in catalysts for liquid-phase oxidation of cyclohexane

Hui LI, Yuanbin SHE, Tao WANG

Frontiers of Chemical Science and Engineering 2012, Volume 6, Issue 3,   Pages 356-368 doi: 10.1007/s11705-012-0903-3

Abstract: The latest progress and developments in catalysts for the oxidation of cyclohexane are reviewed. Catalytic systems for the oxidation of cyclohexane including metal supported, metal oxides, molecular sieves, metal substituted polyoxometalates, photocatalysts, organocatalysts, Gif systems, metal-organic catalysts and metalloporphyrins are discussed with a particular emphasis on metalloporphyrin catalytic systems. The advantages and disadvantages of these methods are summarized and analyzed. Finally, the development trends in the oxidation technology of cyclohexane are examined.

Keywords： cyclohexane     liquid-phase oxidation     catalysis    

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Analysis of the radiation heat transfer process of phase change for a liquid droplet radiator in space

Jinying YIN, Linhua LIU

Frontiers in Energy 2011, Volume 5, Issue 2,   Pages 166-173 doi: 10.1007/s11708-010-0105-y

Abstract: The optimization of a space power system is greatly affected by the radiation heat transfer in a liquidRadiation heat transfer in a two-dimensional bed of phase-change particle is modeled by solving the radiativeMultiple factors affect heat flux in the LDR, such as size distribution, flow velocity, phase change

Keywords： radiation heat transfer     particle polydispersion     liquid droplet radiator     phase change    

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Shock wave of vapor-liquid two-phase flow

ZHAO Liangju, GAO Hong, TANG Jingwen, YUAN Yuexiang, WANG Fei

Frontiers in Energy 2008, Volume 2, Issue 3,   Pages 344-347 doi: 10.1007/s11708-008-0065-7

Abstract: The shock wave of vapor-liquid two-phase flow in a pressure-gain steam injector is studied by buildingThe pressure and Mach number of two-phase shock conform to the shock of ideal gas.

Keywords： available     mathematic     conform     vapor-liquid two-phase     analysis    

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Reconstruction of Cu–ZnO catalyst by organic acid and deactivation mechanism in liquid-phase hydrogenation

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 9,   Pages 1311-1319 doi: 10.1007/s11705-022-2281-9

Abstract: reconstructed Cu–ZnO catalyst with improved stability was fabricated by organic acid treatment method for the liquid-phaselatter two forms of ZnO took the main responsibility for the deactivation of Cu–ZnO catalysts in the liquid-phaseFurthermore, the deactivation mechanism of Cu–ZnO catalysts in liquid-phase diester hydrogenation incontinuous flow system was proposed: the deposition of the polyesters on the catalysts via transesterification

Keywords： liquid phase     hydrogenation     Cu–ZnO     deactivation mechanism     1     4-butanediol     diester    

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Residence time distribution and modeling of the liquid phase in an impinging stream reactor

Xingjun WANG, Xianhui HU, Lishun HU, Guangsuo YU, Fuchen WANG,

Frontiers of Chemical Science and Engineering 2010, Volume 4, Issue 3,   Pages 353-359 doi: 10.1007/s11705-009-0262-x

Abstract: Based on some experimental investigations of liquid phase residence time distribution (RTD) in an impingingstream reactor, a two-dimensional plug-flow dispersion model for predicting the liquid phase RTD inThe axial liquid dispersion coefficient increases monotonously with the increasing liquid flux, but isAs the liquid flux and the gas flux increase, the liquid dispersion coefficient of center-to-wall decreasesthe liquid RTD is dominated mainly by axial liquid dispersion in the impinging stream reactor.

Keywords： RTD     liquid dispersion     reactor     liquid     independent    

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SiO2 passivation layer grown by liquid phase deposition for silicon solar cell application

Yanlin CHEN,Sihua ZHONG,Miao TAN,Wenzhong SHEN

Frontiers in Energy 2017, Volume 11, Issue 1,   Pages 52-59 doi: 10.1007/s11708-016-0429-3

Abstract: In this paper, a comprehensive understanding of the SiO passivation layer grown by liquid phase deposition

Keywords： Si solar cell     passivation     SiO2     liquid phase deposition     carrier lifetime    

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Synthesis of methanol and ethanol over CuZnAl slurry catalyst prepared by complete liquid-phase technology

Wei HUANG, Linmei YU, Wenhui LI, Zhili MA

Frontiers of Chemical Science and Engineering 2010, Volume 4, Issue 4,   Pages 472-475 doi: 10.1007/s11705-010-0525-6

Abstract: A new method, named the complete liquid-phase technology, has been applied to prepare catalysts for methanol

Keywords： methanol     slurry     ethanol     complete liquid-phase technology     CuZnAl catalyst    

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Numerical simulation of three-dimensional gas/liquid two-phase flow in a proton exchange membrane fuel

ZHUGE Weilin, ZHANG Yangjun, LAO Xingsheng, CHEN Xiao, MING Pingwen

Frontiers in Energy 2007, Volume 1, Issue 3,   Pages 305-310 doi: 10.1007/s11708-007-0044-4

Abstract: Investigation into the formation and transport of liquid water in proton exchange membrane fuel cellsA three-dimensional gas/liquid two-phase flow and heat transfer model is developed based on the multiphaseThe reactant gas flow, diffusion, and chemical reaction as well as the liquid water transport and phaseNumerical simulations on liquid water distribution and its effects on the performance of a PEMFC arequickly at high current density due to the obstruction of liquid water to oxygen diffusion.

Keywords： diffusion     gas/liquid two-phase     management     exchange     transfer    

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Effect of counter current gas phase on liquid film

Shujuan LUO, Huaizhi LI, Weiyang FEI, Yundong WANG

Frontiers of Chemical Science and Engineering 2009, Volume 3, Issue 2,   Pages 135-137 doi: 10.1007/s11705-009-0129-1

Abstract: Liquid film flow is very important in many industrial applications.The effect of counter current gas phase on the liquid film was taken into consideration.It is shown that both liquid and gas phases have strong effects on film characteristics.In the present work, liquid film width increased by 57% because of increasing liquid flow rate, whileit decreased by 25% resulting from the counter current gas phase.

Keywords： counter current     liquid film     two phases     structured packings    

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Energy distribution between liquid hydrogen and liquid oxygen temperatures in a Stirling/pulse tube refrigerator

Frontiers in Energy 2023, Volume 17, Issue 4,   Pages 516-526 doi: 10.1007/s11708-022-0844-6

Abstract: gas-coupled regenerative refrigerator, the energy flow distribution between the two stages, and optimal phaseThe effects of displacer displacement on the pressure wave, phase difference, acoustic power distributionIn the present study, an SPR was designed and manufactured to work between the liquid hydrogen and liquid

Keywords： Stirling/pulse tube refrigerator     displacer displacement     space application     phase shift     energy distribution    

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Thermodynamic analysis of liquid phase in situ hydrogenation of glycerol for 1,3-propanediol synthesis

Kun OUYANG, Yu HUANG, Haoyi CHEN, Tao LI, Fahai CAO, Dingye FANG

Frontiers of Chemical Science and Engineering 2011, Volume 5, Issue 1,   Pages 67-73 doi: 10.1007/s11705-010-0541-6

Abstract: Based on the combination of the glycerol aqueous-phase reforming (APR) and catalytic hydrogenation ofglycerol, a novel reaction system of liquid phase in situ hydrogenation of glycerol for the synthesisof 1,3-propanediol is proposed, in which hydrogen is produced from glycerol aqueous-phase reformingIn this new system, the glycerol is the raw material of the aqueous-phase reforming reaction; the hydrogen

Keywords： glycerol     aqueous-phase reforming     1     3-propanediol     in-situ reduction    

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Title Author Date Type Operation

Mechanism and control factors of hydrate plugging in multiphase liquid-rich pipeline flow systems: a

Shuwei ZHANG, Liyan SHANG, Zhen PAN, Li ZHOU, You GUO

Journal Article

Research progress on hydrate plugging in multiphase mixed rich-liquid transportation pipelines

Shuyu SONG, Zhiming LIU, Li ZHOU, Liyan SHANG, Yaxin WANG

Journal Article

Development of new transient liquid phase system Au-Sn-Au for microsystem technology

Kirsten BOBZIN, Nazlim BAGCIVAN, Lidong ZHAO, Stefania FERRARA, Jan PERNE

Journal Article

Microfluidic production of liposomes through liquid–liquid phase separation in ternary droplets

Journal Article

Advances and perspectives in catalysts for liquid-phase oxidation of cyclohexane

Hui LI, Yuanbin SHE, Tao WANG

Journal Article

Analysis of the radiation heat transfer process of phase change for a liquid droplet radiator in space

Jinying YIN, Linhua LIU

Journal Article

Shock wave of vapor-liquid two-phase flow

ZHAO Liangju, GAO Hong, TANG Jingwen, YUAN Yuexiang, WANG Fei

Journal Article

Reconstruction of Cu–ZnO catalyst by organic acid and deactivation mechanism in liquid-phase hydrogenation

Journal Article

Residence time distribution and modeling of the liquid phase in an impinging stream reactor

Xingjun WANG, Xianhui HU, Lishun HU, Guangsuo YU, Fuchen WANG,

Journal Article

SiO2 passivation layer grown by liquid phase deposition for silicon solar cell application

Yanlin CHEN,Sihua ZHONG,Miao TAN,Wenzhong SHEN

Journal Article

Synthesis of methanol and ethanol over CuZnAl slurry catalyst prepared by complete liquid-phase technology

Wei HUANG, Linmei YU, Wenhui LI, Zhili MA

Journal Article

Numerical simulation of three-dimensional gas/liquid two-phase flow in a proton exchange membrane fuel

ZHUGE Weilin, ZHANG Yangjun, LAO Xingsheng, CHEN Xiao, MING Pingwen

Journal Article

Effect of counter current gas phase on liquid film

Shujuan LUO, Huaizhi LI, Weiyang FEI, Yundong WANG

Journal Article

Energy distribution between liquid hydrogen and liquid oxygen temperatures in a Stirling/pulse tube refrigerator

Journal Article

Thermodynamic analysis of liquid phase in situ hydrogenation of glycerol for 1,3-propanediol synthesis

Kun OUYANG, Yu HUANG, Haoyi CHEN, Tao LI, Fahai CAO, Dingye FANG

Journal Article