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Theoretical study on flow and radiation in tubular solar photocatalytic reactor

Frontiers in Energy 2021, Volume 15, Issue 3,   Pages 687-699 doi: 10.1007/s11708-021-0773-9

Abstract: In this paper, based on the mixture flow model, an optimized six-flux model is first established andIt is found that, at the outlet of the reactor, the optimized six-flux model has better performances

Keywords： photocatalytic hydrogen photoreactor     nume- rical simulation     solar energy     flow model     radiation model    

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Decontamination efficiency and root structure change in the plant-intercropping model in vertical-flow

Yonghua CHEN, Xiaofu WU, Mingli CHEN, Kelin LI, Jing PENG, Peng ZHAN

Frontiers of Environmental Science & Engineering 2013, Volume 7, Issue 6,   Pages 906-912 doi: 10.1007/s11783-013-0579-z

Abstract: Three contrasting experiments, the plant-intercropping model (A), the warm-seasonal plant model (B),change in root structure of plants in the plant-intercropping model within the vertical-flow constructedThe results indicate that model A was able to solve the aforementioned problem.than those observed using model B during the lower temperature part of the year ( <0.01).cold-seasonal plants with major growth advantages used in A were capable of creating a more favorable vertical-flow

Keywords： vertical-flow constructed wetlands     plant intercropping model     warm seasonal plant model    

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Multi-class dynamic network traffic flow propagation model with physical queues

Yanfeng LI, Jun LI

Frontiers of Engineering Management 2017, Volume 4, Issue 4,   Pages 399-407 doi: 10.15302/J-FEM-2017041

Abstract: This paper proposes an improved multi-class dynamic network traffic flow propagation model with a considerationEach link is divided into two areas: Free flow area and queue area.link, and the vehicles of the different classes also follow FIFO in the queue area but not in the free flowof the improved model.This analysis can more realistically capture the traffic flow propagation, such as interactions between

Keywords： first-in-first-out (FIFO)     multi-class traffic     physical queues     traffic flow modeling    

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A novel flow-resistor network model for characterizing enhanced geothermal system heat reservoir

Jian GUO, Wenjiong CAO, Yiwei WANG, Fangming JIANG

Frontiers in Energy 2019, Volume 13, Issue 1,   Pages 99-106 doi: 10.1007/s11708-018-0555-1

Abstract: This paper presents the development of a novel flow-resistor network model to describe the hydraulicFor heat reservoirs with various fracture configurations, the corresponding flow-resistor networks areidentical in terms of framework though the networks may have different section numbers and the flowIt is also observed that a linear dependence of the total flow resistance on the number of fracturesThe results provide insight on the tortuosity of the flow path between different wells.

Keywords： enhanced geothermal systems     flow-resistor network model     fracture characteristics     heat reservoir    

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Microdamage study of granite under thermomechanical coupling based on the particle flow code

Frontiers of Structural and Civil Engineering   Pages 1413-1427 doi: 10.1007/s11709-023-0953-2

Abstract: In this study, an improved temperature-dependent linear parallel bond model is introduced under the frameworkof a particle flow simulation.thermomechanical coupling tests are then conducted to calibrate the micro-parameters of the proposed modelWith this improved model, the thermodynamic response and underlying cracking behavior of a deep-buried

Keywords： thermomechanical coupling effect     granite     improved linear parallel bond model     thermal property     particleflow code    

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Pressure Drop Characteristics of Flow Boiling in Microchannel With Low Aspect Ratio

Zhang Binglei,Xu Jinliang and Xiao Zejun

Strategic Study of CAE 2007, Volume 9, Issue 12,   Pages 86-93

Abstract: The present experimental data were compared with the predictions of the homogeneous flow model and separatedflow model respectively.The comparison indicates that the homogeneous flow model cannot predict the twophase pressure drop wellexcept using the twophase viscosity model of the Dukler correlation.model also failed to predict the twophase pressure drop in the microchannel of this study .

Keywords： pressure drop characteristics；homogeneous flow model；separated flow model；microchannel；flow boiling    

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Extended two-fluid model applied to analysis of bubbly flow in multiphase rotodynamic pump impeller

Zhiyi YU, Guoyu WANG, Shuliang CAO

Frontiers of Mechanical Engineering 2009, Volume 4, Issue 1,   Pages 53-59 doi: 10.1007/s11465-009-0006-0

Abstract: This paper presents an extended two-fluid model based on the Navier-Stokes equations and the standardturbulence model, to simulate the three-dimensional air-water bubbly flow in turbo machinery.Simulation is then carried out for the pure liquid flow and air-water two-phase flow with the inlet gasComparison with experimental results shows the reliability and commonality of the numerical model.

Keywords： two-fluid model     multiphase rotodynamic pump     SIMPLEC algorithm     numerical simulation    

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Study on three-dimensional numerical model for shallow water flow

Ding Daoyang,Wu Shiqiang

Strategic Study of CAE 2010, Volume 12, Issue 2,   Pages 32-39

Abstract:

A three-dimensional numerical model for shallow flow based on a layer-integratedThe experiment data in mending channel flow is selected to verify the proposed model.Therefore, the present 3D shallow flow model is a robust and efficient tool for simulating the shallowflow hydrodynamics.

Keywords： three-dimensional flow model     numerical simulation     mending channel     shallow water flow    

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Analysis of flow over backward facing step with transition

Dwarikanath RATHA,Arindam SARKAR

Frontiers of Structural and Civil Engineering 2015, Volume 9, Issue 1,   Pages 71-81 doi: 10.1007/s11709-014-0270-x

Abstract: The present study deals with the study of the velocity distribution and the separation phenomenon of flowThe flow of air over a backward facing step has been investigated numerically using FLUENT.Flow simulation has been carried out in a backward facing step having an expansion ratio (ratio of theComparison of flow characteristics between steps with three different transitions is made.Simulation of the flow over steps with expansion ratios of 1:1.24, 1:1.38, 1:1.47, 1:1.53, 1:1.94, 1:

Keywords： Reattachment length     backward facing step     transition     flow separation     k-? model    

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Predictor-corrector algorithm for solving quasi-separated-flow and transient distributed-parameter model

Ping ZHANG, Guoliang DING

Frontiers in Energy 2010, Volume 4, Issue 4,   Pages 535-541 doi: 10.1007/s11708-010-0113-y

Abstract: stitution (SS) method is a suitable approach to solving the transient distributed-parameter model forWhen the iterative initial pressure is improperly assigned, the calculated flow rates become negativeTotal fluid mass is adopted as the convergence criterion of pressure iteration instead of outlet flow

Keywords： algorithm     convergence     heat exchanger     modeling     transient    

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Simulation of abrasive flow machining process for 2D and 3D mixture models

Rupalika DASH,Kalipada MAITY

Frontiers of Mechanical Engineering 2015, Volume 10, Issue 4,   Pages 424-432 doi: 10.1007/s11465-015-0366-6

Abstract: surface finish and material removal has been quite a challenge in a finishing operation such as abrasive flowIn the current work, a 2D model was designed, and the flow analysis, force calculation, and materialAnother 3D model for a swaging die finishing using AFM was simulated at different viscosities of theTwo phases were considered for the flow analysis, and multiphase mixture model was taken into accountThe fluid was considered to be a Newtonian fluid and the flow laminar with no wall slip.

Keywords： abrasive flow machining (AFM)     computational fluid dynamics (CFD) modeling     mixture model    

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Application of a weakly compressible smoothed particle hydrodynamics multi-phase model to non-cohesiveembankment breaching due to flow overtopping

Rasoul MEMARZADEH, Gholamabbas BARANI, Mahnaz GHAEINI-HESSAROEYEH

Frontiers of Structural and Civil Engineering 2018, Volume 12, Issue 3,   Pages 412-424 doi: 10.1007/s11709-017-0432-8

Abstract: present study is the application of mesh free Lagrangian two-dimensional non-cohesive sediment transport modelTo simulate the movement of sediment particles, the model considers a powerful two-part technique; whenIn the present model, the interactions between different phases are calculated automatically, even withbetween computational results and experimental data shows that the model generally predicts well theflow propagation over movable beds, the induced sediment transport and bed changes, and temporal evolution

Keywords： WCSPH method     non-cohesive sediment transport     rheological model     two-part technique     two-phase dam break    

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Research and Application on Industrial Internet Ecosystem Model

Zhao Min , Liu Junyan , Zhu Duoxian

Strategic Study of CAE 2022, Volume 24, Issue 4,   Pages 53-61 doi: 10.15302/J-SSCAE-2022.04.006

Abstract: Digital intelligence flow exhibits the flow value of data—a new production factor—at differentThe digital-knowledge flow is the data flow that carries digital knowledge.flow

The data-information-knowledge-wisdom (DIKW) model is dividedBased on the DIKW model, this study proposes a digital BDIKW model.and cross-domain flow of digital knowledge is the flow, interaction, and empowerment of value at different

Keywords： industrial Internet     ecosystem     model     digital intelligence flow     dynamic value flow    

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Kinetic studies of xylan hydrolysis of corn stover in a dilute acid cycle spray flow-through reactor

Hongman ZHANG, Qiang JIN, Rui XU, Lishi YAN, Zengxiang LIN

Frontiers of Chemical Science and Engineering 2011, Volume 5, Issue 2,   Pages 252-257 doi: 10.1007/s11705-010-1010-y

Abstract: w) sulfuric acid at relatively low temperatures (90°C, 95°C and 100°C) in a dilute acid cycle spray flow-throughresults confirmed that the kinetic data of xylan hydrolysis fitted a first-order irreversible reaction model

Keywords： corn stover     xylan hydrolysis     biphasic model     Saeman model     cycle spray     kinetics    

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Hydroelastic model experimental study on large scale high arch dam vibration by discharge flow

Ma Bin,Lian Jijian,Yang Min

Strategic Study of CAE 2008, Volume 10, Issue 11,   Pages 23-29

Abstract:

Scale effect exists in the model experiment, so large-scale model isBased on Laxiwa arch dam, the hydroelastic model with a scale of 1∶100 is built, which is made of weightedThe equivalent load is determined by inverse analysis method for flow induced vibration, then the dynamicresponse of the dam is obtained and influence of flow-induced vibration is assessed.

Keywords： Laxiwa arch dam     hydroelastic model     flow-induced vibration     vibration response     inverse analysis    

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Title Author Date Type Operation

Theoretical study on flow and radiation in tubular solar photocatalytic reactor

Journal Article

Decontamination efficiency and root structure change in the plant-intercropping model in vertical-flow

Yonghua CHEN, Xiaofu WU, Mingli CHEN, Kelin LI, Jing PENG, Peng ZHAN

Journal Article

Multi-class dynamic network traffic flow propagation model with physical queues

Yanfeng LI, Jun LI

Journal Article

A novel flow-resistor network model for characterizing enhanced geothermal system heat reservoir

Jian GUO, Wenjiong CAO, Yiwei WANG, Fangming JIANG

Journal Article

Microdamage study of granite under thermomechanical coupling based on the particle flow code

Journal Article

Pressure Drop Characteristics of Flow Boiling in Microchannel With Low Aspect Ratio

Zhang Binglei,Xu Jinliang and Xiao Zejun

Journal Article

Extended two-fluid model applied to analysis of bubbly flow in multiphase rotodynamic pump impeller

Zhiyi YU, Guoyu WANG, Shuliang CAO

Journal Article

Study on three-dimensional numerical model for shallow water flow

Ding Daoyang,Wu Shiqiang

Journal Article

Analysis of flow over backward facing step with transition

Dwarikanath RATHA,Arindam SARKAR

Journal Article

Predictor-corrector algorithm for solving quasi-separated-flow and transient distributed-parameter model

Ping ZHANG, Guoliang DING

Journal Article

Simulation of abrasive flow machining process for 2D and 3D mixture models

Rupalika DASH,Kalipada MAITY

Journal Article

Application of a weakly compressible smoothed particle hydrodynamics multi-phase model to non-cohesiveembankment breaching due to flow overtopping

Rasoul MEMARZADEH, Gholamabbas BARANI, Mahnaz GHAEINI-HESSAROEYEH

Journal Article

Research and Application on Industrial Internet Ecosystem Model

Zhao Min , Liu Junyan , Zhu Duoxian

Journal Article

Kinetic studies of xylan hydrolysis of corn stover in a dilute acid cycle spray flow-through reactor

Hongman ZHANG, Qiang JIN, Rui XU, Lishi YAN, Zengxiang LIN

Journal Article

Hydroelastic model experimental study on large scale high arch dam vibration by discharge flow

Ma Bin,Lian Jijian,Yang Min

Journal Article