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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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Strategic Thinking on Shallow-water Oil and Gas Exploration in Offshore China

Ke-qiang Wu,Jian-yong Xu,Bo Kang

Frontiers of Engineering Management 2016, Volume 3, Issue 4,   Pages 349-355 doi: 10.15302/J-FEM-2016056

Abstract: offshore China has made great achievements, and as the important areas of offshore exploration, the shallowTherefore, for effective exploration of shallow-water oil and gas in offshore China, it is necessary

Keywords： offshore China     shallow-water oil and gas exploration     strategic thinking     challenge     countermeasure    

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Land use/cover change effects on floods with different return periods: a case study of Beijing, China

Yueling WANG, Xiaoliu YANG

Frontiers of Environmental Science & Engineering 2013, Volume 7, Issue 5,   Pages 769-776 doi: 10.1007/s11783-013-0542-z

Abstract: quantify the effect of LUCC on floods in terms of inundation extent, flood arrival time and maximum waterarrival time, and floods with longer return periods are more influenced; 3) LUCC can affect maximum waterapproach is demonstrated to be a useful tool for joint assessment, planning and management of land and water

Keywords： inundation extent     flood arrival time     maximum water depth     shallow flow model    

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Numerical simulation of flood inundation processes by 2D shallow water equations

ZHANG Xinhua, LONG Wenfei, XIE Heping, ZHU Jiahua, WANG Jiangping

Frontiers of Structural and Civil Engineering 2007, Volume 1, Issue 1,   Pages 107-113 doi: 10.1007/s11709-007-0011-5

Abstract: and to reduce the loss of lives and properties in urban areas, a numerical simulation model using 2D shallowwater equations was proposed in this study.

Keywords： control     satisfactory     management     central     rescue    

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Two dimensional value simulation of shallow water equation

Xiang Bo,Mi Xiao,Ji Changming,Luo Qingsong

Strategic Study of CAE 2008, Volume 10, Issue 7,   Pages 118-124

Abstract: triangular mesh adapts to complex irregular boundary.Based on this,adopting finite volume method to disperse shallowwater equation and combining with the finite difference method, this paper has developed a new discrete, this paper has simulated and calculated the two-dimensional curve course and some two-dimensional flow

Keywords： shallow water equation     finite volume method     unstructured mesh     dam-break    

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Experimental study of critical flow of water at supercritical pressure

Yuzhou CHEN, Chunsheng YANG, Shuming ZHANG, Minfu ZHAO, Kaiwen DU, Xu CHENG

Frontiers in Energy 2009, Volume 3, Issue 2,   Pages 175-180 doi: 10.1007/s11708-009-0029-6

Abstract: Experimental studies of the critical flow of water were conducted under steady-state conditions withThe parametric trend of the flow rate was investigated, and the experimental data were compared with

Keywords： critical flow     supercritical water-cooled reactor(SCWR)     reactor safety     loss of coolant accident(LOCA)    

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Study on support mechanical behaviour and scheme for shallow buried tunnel in weak wall rock with richwater

Wan Fei,Tan Zhongsheng,Yang Sensen,Ma Dong

Strategic Study of CAE 2014, Volume 16, Issue 8,   Pages 45-53

Abstract:

Shallow buried section under river valley of Guan Jiao tunnel has doneseries of research on support mechanical behaviour and scheme for tunnel in weak wall rock with rich waterPressure of surrounding rock, stress in the steel frames, axial force of rock bolts and water pressureThe result indicates that primary support can't be effectively controlled, inrush of clay and waterThese research results can provide theoretical basis and underlying date for support scheme for Shallow

Keywords： Tunnel project     Shallow buried under river valley     Weak wall rock     Support scheme     Field monitoring    

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The Study on Steady Flow and Transient Flow Mathematical Models for City’s Water Distribution Pipeline

Wang Shoudong,Shen Yongming,Jiang Hengzhi

Strategic Study of CAE 2007, Volume 9, Issue 12,   Pages 26-30

Abstract:

Firstly,  based on node equation method,  a water distributionpipeline network steady flow mathematical model is established and is solved by using the Newton iteration Secondly,  the mathematic model for transient flow set up by characteristic method can beused to forecast the harmful water hammer occurring in operation of the system,  and to find thenbsp;The results are that these models can be applied to hydraulic balance calculation for city's water

Keywords： water distribution pipeline network     steady flow     transient flow     water hammer     Newton’s iteration method    

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Key construction technology of shallow-buried large span highway tunnel through rich water soft soil

Zhao Licai

Strategic Study of CAE 2015, Volume 17, Issue 1,   Pages 81-87

Abstract: reinforcement technology+cross-located right next door after disassembly type excavation technology in shallow-buriedrich water soft soil stratum tunnel excavation process.processing， make the deformation of surrounding rock control， successfully passed the construction of shallow-buried

Keywords： shallow buried； rich water soft soil； tunnel； pipe； reinforcement； cross-located right next door after    

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Mechanical responses of multi-layered ground due to shallow tunneling with arbitrary ground surface load

Frontiers of Structural and Civil Engineering 2023, Volume 17, Issue 5,   Pages 745-762 doi: 10.1007/s11709-023-0935-4

Abstract: analytical model based on complex variable theory is proposed to investigate ground responses due to shallowThe present model is superior to the classical model for analyzing ground responses of shallow tunnelingthus, it can be used with assurance to estimate the ground movement and surface building safety of shallow

Keywords： analytical model     mechanical response     multi-layered ground     shallow tunneling     ground surface load    

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Investigation of bubble diameter and flow regime between water and dilute aqueous ethanol solutions in

Baharak SAJJADI, Mostafa Keshavarz MORAVEJI, Reza DAVARNEJAD

Frontiers of Chemical Science and Engineering 2011, Volume 5, Issue 2,   Pages 194-202 doi: 10.1007/s11705-010-1019-2

Abstract: In this study, the effect of ethanol addition into pure water and its concentration on bubble diameter, gas hold-up and flow regimes were investigated in an airlift reactor.Air and water with ethanol (concentration ranging from 0%–1%, v/v) were as dispersed and continuous phasesFor ethanol solutions in lower superficial gas velocity, a homogenous flow regime was observed.The transition flow regime occurred after this datum although in pure water, a homogenous flow regime

Keywords： airlift rector     bubble diameter     gas hold-up     flow regime     ethanol    

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Comparison of shallow tunneling method with pile and rib method for construction of subway station in

Sina AMIRI; Ali Naghi DEHGHAN

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 6,   Pages 704-717 doi: 10.1007/s11709-021-0746-4

Abstract: In the present study, a comparison between the new shallow tunneling method (STM) and the traditional

Keywords： shallow tunneling method     pile and rib method     ground surface settlement     subway station construction    

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Centrifuge experiments for shallow tunnels at active reverse fault intersection

Mehdi SABAGH, Abbas GHALANDARZADEH

Frontiers of Structural and Civil Engineering 2020, Volume 14, Issue 3,   Pages 731-745 doi: 10.1007/s11709-020-0614-7

Abstract: Tunnels extend in large stretches with continuous lengths of up to hundreds of kilometers which are vulnerable to faulting in earthquake-prone areas. Assessing the interaction of soil and tunnel at an intersection with an active fault during an earthquake can be a beneficial guideline for tunnel design engineers. Here, a series of 4 centrifuge tests are planned and tested on continuous tunnels. Dip-slip surface faulting in reverse mechanism of 60-degree is modeled by a fault simulator box in a quasi-static manner. Failure mechanism, progression and locations of damages to the tunnels are assessed through a gradual increase in Permanent Ground Displacement (PGD). The ground surface deformations and strains, fault surface trace, fault scarp and the sinkhole caused by fault movement are observed here. These ground surface deformations are major threats to stability, safety and serviceability of the structures. According to the observations, the modeled tunnels are vulnerable to reverse fault rupture and but the functionality loss is not abrupt, and the tunnel will be able to tolerate some fault displacements. By monitoring the progress of damage states by increasing PGD, the fragility curves corresponding to each damage state were plotted and interpreted in related figures.

Keywords： reverse fault rupture     continuous tunnel     geotechnical centrifuge     ground surface deformations     fragility curves    

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Continuous flow removal of acid fuchsine by dielectric barrier discharge plasma water bed enhanced by

Rusen Zhou, Renwu Zhou, Xianhui Zhang, Kateryna Bazaka, Kostya (Ken) Ostrikov

Frontiers of Chemical Science and Engineering 2019, Volume 13, Issue 2,   Pages 340-349 doi: 10.1007/s11705-019-1798-z

Abstract: In this study, a dielectric barrier discharge plasma water bed system was designed and then coupled with

Keywords： continuous removal     dye-containing wastewater     dielectric barrier discharge     plasma water bed     activated    

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A hybrid fuel cell for water purification and simultaneously electricity generation

Frontiers of Environmental Science & Engineering 2023, Volume 17, Issue 1, doi: 10.1007/s11783-023-1611-6

Abstract:

● A novel hybrid fuel cell (F-HFC) was fabricated.

Keywords： Flow-through field     Hybrid fuel cell     Polyoxometalates     Water purification     Electricity generation    

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Title Author Date Type Operation

Study on three-dimensional numerical model for shallow water flow

Ding Daoyang,Wu Shiqiang

Journal Article

Strategic Thinking on Shallow-water Oil and Gas Exploration in Offshore China

Ke-qiang Wu,Jian-yong Xu,Bo Kang

Journal Article

Land use/cover change effects on floods with different return periods: a case study of Beijing, China

Yueling WANG, Xiaoliu YANG

Journal Article

Numerical simulation of flood inundation processes by 2D shallow water equations

ZHANG Xinhua, LONG Wenfei, XIE Heping, ZHU Jiahua, WANG Jiangping

Journal Article

Two dimensional value simulation of shallow water equation

Xiang Bo,Mi Xiao,Ji Changming,Luo Qingsong

Journal Article

Experimental study of critical flow of water at supercritical pressure

Yuzhou CHEN, Chunsheng YANG, Shuming ZHANG, Minfu ZHAO, Kaiwen DU, Xu CHENG

Journal Article

Study on support mechanical behaviour and scheme for shallow buried tunnel in weak wall rock with richwater

Wan Fei,Tan Zhongsheng,Yang Sensen,Ma Dong

Journal Article

The Study on Steady Flow and Transient Flow Mathematical Models for City’s Water Distribution Pipeline

Wang Shoudong,Shen Yongming,Jiang Hengzhi

Journal Article

Key construction technology of shallow-buried large span highway tunnel through rich water soft soil

Zhao Licai

Journal Article

Mechanical responses of multi-layered ground due to shallow tunneling with arbitrary ground surface load

Journal Article

Investigation of bubble diameter and flow regime between water and dilute aqueous ethanol solutions in

Baharak SAJJADI, Mostafa Keshavarz MORAVEJI, Reza DAVARNEJAD

Journal Article

Comparison of shallow tunneling method with pile and rib method for construction of subway station in

Sina AMIRI; Ali Naghi DEHGHAN

Journal Article

Centrifuge experiments for shallow tunnels at active reverse fault intersection

Mehdi SABAGH, Abbas GHALANDARZADEH

Journal Article

Continuous flow removal of acid fuchsine by dielectric barrier discharge plasma water bed enhanced by

Rusen Zhou, Renwu Zhou, Xianhui Zhang, Kateryna Bazaka, Kostya (Ken) Ostrikov

Journal Article

A hybrid fuel cell for water purification and simultaneously electricity generation

Journal Article