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Study for entrained-flow gasifier modeling and measurement

Zhe WANG, Zheng LI, Fen HE

Frontiers of Chemical Science and Engineering 2010, Volume 4, Issue 4, Pages 400-403 doi: 10.1007/s11705-010-0510-0

Abstract: The syngas composition change during the measurement process was analyzed using a detailed gas phase reaction mechanism. Results showed that the measurement error induced by the temperature and pressure change in the measurement process cannot be ignored. Based on the results, suggestions were proposed for syngas concentration measurement and temperature measurement.

Keywords： entrained-flow gasifier syngas composition

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Syngas composition study

Zhe WANG , Jinning YANG , Zheng LI , Yong XIANG ,

Frontiers in Energy 2009, Volume 3, Issue 3, Pages 369-372 doi: 10.1007/s11708-009-0044-7

Abstract: The syngas composition characteristic was investigated in the real slurry-feed gasifier using a detailedthat the time for syngas to reach equilibrium is much shorter than the residence time for slurry feed entrained-flow

Keywords： entrained-flow gasifier syngas

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Outlook of Energy Storage via Large-Scale Entrained Flow Coal Gasification

Zhongjie Shen, Junguo Li, Haifeng Liu

Engineering 2023, Volume 29, Issue 10, Pages 50-54 doi: 10.1016/j.eng.2023.08.009

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Numerical study of internal flow field and flow passage improvement of an inlet particle separator

Florian PAOLI, Tong WANG

Frontiers in Energy 2011, Volume 5, Issue 4, Pages 386-397 doi: 10.1007/s11708-011-0156-8

Abstract: By performing gas flow field numerical simulations for several inlet Reynolds numbers (from 2 × 10to 9 × 10 ) and byflow ratios (from 10% to 20%), the present study has proposed to improve the flowNo particle has been included in the gas flow for a -epsilon turbulence model.Then the flow passage improvement method has focused on the separation area.in this study has succeeded in designing a shape which enhances the flow behavior.

Keywords： streamlines pressure losses flow passage improvement inlet particle separator (IPS)

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Experimental evaluation of a 35 kVA downdraft gasifier

Ashok Jayawant Rao KECHE, Gaddale AMBA PRASAD RAO

Frontiers in Energy 2013, Volume 7, Issue 3, Pages 300-306 doi: 10.1007/s11708-013-0247-9

Abstract: The present paper describes an experimental investigation on a biomass based gasifier engine system withThe problem of cooling and cleaning the hot and dirty gas from the gasifier has been satisfactorily solvedThe gasifier developed is observed to be operation friendly.The conversion efficiency of the biomass gasifier is found to be dependent on the operation conditionsand fuel properties of the gasifier.

Keywords： biomass gasification producer gas equivalence ratio total particulate matter conversion efficiency of gasifier

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Pilot scale autothermal gasification of coconut shell with CO

Bayu PRABOWO,Herri SUSANTO,Kentaro UMEKI,Mi YAN,Kunio YOSHIKAWA

Frontiers in Energy 2015, Volume 9, Issue 3, Pages 362-370 doi: 10.1007/s11708-015-0375-5

Abstract: injection on reaction temperature and producer gas composition were examined in a pilot scale downdraft gasifiergeneral, the increase in CO injection resulted in the shift of combustion zone to the downstream of the gasifier

Keywords： biomass gasification CO₂ downdraft gasifier autothermal

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The Following-observing Method for Substance Flow Analysis

Lu Zhongwu

Strategic Study of CAE 2006, Volume 8, Issue 1, Pages 18-25

Abstract:

The fundamental argument set forth in the paper is that flow is the common feature of fluid flow andsubstance flow.(constant output of product), but also for unsteady substance flow (increasing or decreasing outputThe following-observing model of substance flow was explained by using iron flow diagram in the lifeof indexes of lead flow.

Keywords： methods of substance flow analysis following-observing method for substance flow analysis basic equationsfor substance flow analysis degree of unsteadiness of substance flow

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UPFC setting to avoid active power flow loop considering wind power uncertainty

Shenghu LI, Ting WANG

Frontiers in Energy 2023, Volume 17, Issue 1, Pages 165-175 doi: 10.1007/s11708-020-0686-z

Abstract: The active power loop flow (APLF) may be caused by impropriate network configuration, impropriate parameterThe power flow controllers, e.g., the unified power flow controller (UPFC), may be the reason and thepaper, the critical existence condition of the APLF is newly integrated into the simultaneous power flowapproaching to the critical existing condition, the integrated power flow needs less iterations andBesides, with wind power fluctuation, the interval power flow (IPF) is introduced into the integrated

Keywords： active power loop flow (APLF) unified power flow controller (UPFC) wind power uncertainty interval powerflow (IPF)

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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 FCDI system.

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

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Simulation of horizontal slug-flow pneumatic conveying with kinetic theory

GU Zhengmeng, GUO Liejin

Frontiers in Energy 2007, Volume 1, Issue 3, Pages 336-340 doi: 10.1007/s11708-007-0050-6

Abstract: Wavelike slug-flow is a representative flow type in horizontal pneumatic conveying.Kinetic theory was introduced to establish a 3D kinetic numerical model for wavelike slug gas-solid flowThe characteristics of the flow, such as pressure drop, air velocity distribution, slug length and settledindicate that kinetic theory can represent the physical characteristics of the non-suspension dense phase flowThe experiment in this paper introduced a new idea for the numerical calculation of slug-flow pneumatic

Keywords： velocity distribution detailed slug-flow gas-solid theory

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Characterization and comparison of organic functional groups effects on electrolyte performance for vanadium redox flow

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 9, Pages 1221-1230 doi: 10.1007/s11705-023-2298-8

Abstract: The vanadium redox flow battery with a safe and capacity-controllable large-scale energy storage systemlimitations, as well as to investigate the effects of various organic functional groups on the vanadium redox flow

Keywords： vanadium redox flow battery functional groups organic additives energy density stability

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Experimental study on combined buoyant-thermocapillary flow along with rising liquid film on the surface

Manuel J. GOMES, Ning MEI

Frontiers in Energy 2020, Volume 14, Issue 1, Pages 114-126 doi: 10.1007/s11708-017-0483-5

Abstract: immersion of a horizontal metallic mesh tube in the liquid on combined buoyant and thermo-capillary flowThe combined flow occurs along with the rising liquid film flow on the surface of a horizontal metallicThese reveal two distinct flow patterns.with the rising liquid film flow.free surface and identified as the thermo-capillary (Marangoni) flow.

Keywords： rising liquid film combined flow thermo-capillary flow buoyant flow metallic mesh tube horizontal tube

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Comparison of membrane fouling in ultrafiltration of down-flow and up-flow biological activated carbon

Lu Ao, Wenjun Liu, Yang Qiao, Cuiping Li, Xiaomao Wang

Frontiers of Environmental Science & Engineering 2018, Volume 12, Issue 6, doi: 10.1007/s11783-018-1046-7

Abstract:

The UF membrane fouling by down- and up-flow BAC effluents were compared

Up-flow BAC effluent fouled the membrane fasterthan down-flow BAC effluent.

Keywords： Ultrafiltration Membrane fouling Down-flow biological activated carbon Up-flow biological activated carbon

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GIS-based numerical simulation of Amamioshima debris flow in Japan

Jian WU, Guangqi CHEN, Lu ZHENG, Yingbin ZHANG

Frontiers of Structural and Civil Engineering 2013, Volume 7, Issue 2, Pages 206-214 doi: 10.1007/s11709-013-0198-6

Abstract: Debris flow is a rapid flow which could lead to severe flooding with catastrophic consequences such asIt is important to study the movement of debris flow.Since during a debris flow process, the erosion and deposition processes are important, the no entrainmentIn this study, first we considered the debris flow as equivalent fluid and adopted the depth-averagedFinally, the numerical model coupled with GIS is applied to simulate the debris flow occurred on Oct.

Keywords： debris flow numerical simulation GIS movement erosion deposition

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Burnett simulations of gas flow and heat transfer in microchannels

Fubing BAO, Jianzhong LIN

Frontiers of Mechanical Engineering 2009, Volume 4, Issue 3, Pages 252-263 doi: 10.1007/s11465-009-0037-6

Abstract: In micro- and nanoscale gas flows, the flow falls into the transition flow regime.The Navier-Stokes equations fail to describe the gas flow in this regime.As a result, the high-order Burnett equations are used to study the gas flow and heat transfer characteristicsaugmented Burnett equations with high-order slip boundary conditions are then used to model the gas flow

Keywords： micro- and nanoscale gas flow slip-transition flow regime Burnett equations numerical simulation