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Stormwater treatment: examples of computational fluid dynamics modeling

Gaoxiang YING, John SANSALONE, Srikanth PATHAPATI, Giuseppina GAROFALO, Marco MAGLIONICO, Andrea BOLOGNESI, Alessandro ARTINA

Frontiers of Environmental Science & Engineering 2012, Volume 6, Issue 5, Pages 638-648 doi: 10.1007/s11783-012-0442-7

Abstract: Navier-Stokes (NS) system of nonlinear partial differential equations for multi-phase hydrodynamics and separationFlow rates examined are scaled based on sizing of common unit operations such as hydrodynamic separators

Keywords： stormwater unit operations and processes (UOPs) hydrodynamic separation filtration adsorption computationalfluid dynamics (CFD) turbulence modeling discrete phase model particle separation detention/retention

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Recent progress in hydrodynamic characteristics research and application of annular centrifugal extractors

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 6, Pages 854-873 doi: 10.1007/s11705-022-2156-0

Abstract: The annular centrifugal extractor (ACE) integrates mixing and separation.More recently, research on hydrodynamic behavior and structural optimization has received widespreadHence, this paper reviews research progress regarding ACE in terms of hydrodynamic characteristics and

Keywords： annular centrifugal extractor hydrodynamic characteristics structure optimization the latest application

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Theory and Practice of Hydrodynamic Reconstruction in Plain River Networks

Hongwu Tang,Saiyu Yuan,Hao Cao,

Engineering doi: 10.1016/j.eng.2022.01.015

Abstract: From this, a theory for the hydrodynamic reconstruction of plain river networks is proposed.The optimal temporal and spatial distributions of hydrodynamic patterns is reconstructed in order toOn this basis, a complete theoretical method and technical system for multiscale hydrodynamic reconstruction

Keywords： Plain river network Water security problems Hydrodynamic reconstruction Multi-objective Integrated management

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Recent Developments in Hydrodynamic Cavitation Reactors: Cavitation Mechanism, Reactor Design, and Applications Review

Haoxuan Zheng, Ying Zheng, Jesse Zhu

Engineering 2022, Volume 19, Issue 12, Pages 180-198 doi: 10.1016/j.eng.2022.04.027

Abstract:

Hydrodynamic cavitation is considered to be a promising technology for process intensification, dueIn the past decade, advancements have been made in the fundamental understanding of hydrodynamic cavitationTwo types of hydrodynamic cavitation reactors—namely, stationary and rotational—are comparedThe design parameters of a hydrodynamic cavitation reactor and reactor performance at the laboratoryThe unique features of hydrodynamic cavitation have been widely applied to various chemical reactions

Keywords： Hydrodynamic cavitation Cavitation nuclei Hydroxyl radicals Stationary/rotational hydrodynamic cavitation

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Numerical analysis of hydrodynamic process of circular-translational-moving polishing (CTMP)

ZHAI Wenjie, LIU Changxiong, LIANG Yingchun

Frontiers of Mechanical Engineering 2008, Volume 3, Issue 4, Pages 441-448 doi: 10.1007/s11465-008-0074-6

Abstract: mechanisms of CTMP and determine the optimum process variables in a CTMP process, a three-dimensional hydrodynamic

Keywords： numerical analysis practical CTMP circular-translational-moving polishing CTMP different

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Uncertainty quantification of stability and damage detection parameters of coupled hydrodynamic-ground

Nazim Abdul NARIMAN, Tom LAHMER, Peyman KARAMPOUR

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 2, Pages 303-323 doi: 10.1007/s11709-018-0462-x

Abstract: In this paper, models of the global system of the Koyna dam have been created using ABAQUS software considering the dam-reservoir-foundation interaction. Non coupled models and the coupled models were compared regarding the horizontal displacement of the dam crest and the differential settlement of the dam base in clay foundation. Meta models were constructed and uncertainty quantification process was adopted by the support of Sobol’s sensitivity indices considering five uncertain parameters by exploiting Box-Behnken experimental method. The non coupled models results determined overestimated predicted stability and damage detection in the dam. The rational effects of the reservoir height were very sensitive in the variation of the horizontal displacement of the dam crest with a small interaction effect with the beta viscous damping coefficient of the clay foundation. The modulus of elasticity of the clay foundation was the decisive parameter regarding the variation of the differential settlement of the dam base. The XFEM approach has been used for damage detection in relation with both minimum and maximum values of each uncertain parameter. Finally the effects of clay and rock foundations were determined regarding the resistance against the propagation of cracks in the dam, where the rock foundation was the best.

Keywords： massed foundation hydrodynamic pressure Box-Behnken method meta model Sobol’s sensitivity indices

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Scenario analysis of water pollution control in the typical peri-urban river using a coupled hydrodynamic-water

Haifeng JIA, Shuo WANG, Mingjie WEI, Yansong ZHANG

Frontiers of Environmental Science & Engineering 2011, Volume 5, Issue 2, Pages 255-265 doi: 10.1007/s11783-010-0279-x

Abstract: The water quality pollution and ecological deterioration in peri-urban rivers are usually serious under rapid urbanization and economic growth. In the study, a typical peri-urban river, Nansha River, was selected as a case study to discuss the scheme of peri-urban river rehabilitation. Located in the north part of the Beijing central region, the Nansha River watershed has been designated as an ecologically friendly garden-style area with high-tech industry parks and upscale residential zones. However, the Nansha River is currently seriously contaminated by urban and rural pollutants from both nonpoint sources (NPS) and point sources (PS). In this study, the pollutant loads from point sources and nonpoint sources in the Nansha River watershed were first assessed. A coupled model, derived from the Environmental Fluid Dynamics Code and Water Quality Analysis Simulation Program, was developed to simulate the hydrodynamics and water quality in the Nansha River. According to the characteristics of the typical peri-urban river, three different PS and NPS control scenarios were designed and examined by modeling analyses. Based on the results of the scenario analysis, a river rehabilitation scheme was recommended for implementation.

Keywords： peri-urban river coupled hydrodynamic-water quality modeling scenario analysis river rehabilitation

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Development of a hydrodynamic model and the corresponding virtual software for dual-loop circulating

Shanwei Hu, Xinhua Liu

Frontiers of Chemical Science and Engineering 2021, Volume 15, Issue 3, Pages 579-590 doi: 10.1007/s11705-020-1953-6

Abstract: modeling scheme was implemented by using the EMMS model and/or its extension models to compute the hydrodynamic

Keywords： multi-loop circulating fluidized bed mathematical modeling energy minimization multiscale virtual fluidization mesoscale structure

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Study on hydrodynamic and synthetic water quality model for river networks

Zhang Mingliang,Shen Yongming

Strategic Study of Chinese Academy of Engineering 2008, Volume 10, Issue 10, Pages 78-83

Abstract: one-dimensional Saint-Venant equation and the river-junction-river method is applied to resolve the hydrodynamic

Keywords： Preissmann implicit scheme river networks hydrodynamic model water quality model WASP model

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Method of internal 3D flow field numerical simulation for hydrodynamic torque converter

SHANG Tao, ZHAO Dingxuan, ZHANG Yuankun, GUO Xiangen, SHI Xiangzhong

Frontiers of Mechanical Engineering 2008, Volume 3, Issue 1, Pages 86-90 doi: 10.1007/s11465-008-0012-7

Abstract: To enhance the performance of a hydrodynamic torque converter and thoroughly understand the trait ofinside flow, a numerical simulation method of internal 3D flow for the three-element centrifugal hydrodynamicThe performance parameters of the hydrodynamic torque converter were predicted.velocity distribution of the flow field, have practical significance for the design and improvement of a hydrodynamic

Keywords： velocity distribution calculation numerical simulation three-element centrifugal converter

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Highly hydrophobic oil−water separation membrane: reutilization of waste reverse osmosis membrane

Frontiers of Chemical Science and Engineering Pages 1606-1615 doi: 10.1007/s11705-022-2200-0

Abstract: modified membrane displayed good hydrophobicity with a contact angle of 135.2° ± 0.3°, and its oil–water separationAfter 20 recycle tests, the oil–water separation performance remained more than 96%, which was attributed

Keywords： oil–water separation wasted reverse osmosis membrane hydrophobic modification

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Easily-manufactured paper-based materials with high porosity for adsorption/separation applications in

Frontiers of Chemical Science and Engineering doi: 10.1007/s11705-022-2267-7

Abstract: The separation efficiency of the emulsified oil was 99.3%, and the water flux was up to 2020 L·m

Keywords： adsorption oil–water separation underwater superoleophobicity wastewater treatment

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Phase separation time/temperature dependence of thermoplastics-modified thermosetting systems

ZHANG Xiujuan, XU Yuanze, YI Xiaosu

Frontiers of Chemical Science and Engineering 2008, Volume 2, Issue 3, Pages 276-285 doi: 10.1007/s11705-008-0057-5

Abstract: The cure-induced phase separation processes of various thermoplastics(TP)-modified thermosetting systemsWe found that the phase separation time/temperature relationship follows the simple Arrhenius equationThe cure-induced phase separation activation energy (ps) generated from the linear fitting of the Arrheniusequation is irrelevant to the detection means of phase separation time.With the established phase separation time-temperature dependence relation, we can easily establish the

Keywords： separation time-temperature temperature dependency cure-induced separation activation temperature

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Imprinted membranes for sustainable separation processes

Laura Donato, Enrico Drioli

Frontiers of Chemical Science and Engineering 2021, Volume 15, Issue 4, Pages 775-792 doi: 10.1007/s11705-020-1991-0

Abstract: recycling raw materials increased the interest in the production of highly selective and efficient separationThis work discusses the concept and separation mechanisms of imprinted membranes.

Keywords： sustainable processes membrane separation molecular recognition imprinted membranes water treatment

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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: droplets, which can evolve into water-in-oil-in-water double emulsion droplets by liquid–liquid phase separation

Keywords： microfluidics liposomes ternary droplets phase separation

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Title Author Date Type Operation

Stormwater treatment: examples of computational fluid dynamics modeling

Gaoxiang YING, John SANSALONE, Srikanth PATHAPATI, Giuseppina GAROFALO, Marco MAGLIONICO, Andrea BOLOGNESI, Alessandro ARTINA

Journal Article

Recent progress in hydrodynamic characteristics research and application of annular centrifugal extractors

Journal Article

Theory and Practice of Hydrodynamic Reconstruction in Plain River Networks

Hongwu Tang,Saiyu Yuan,Hao Cao,

Journal Article

Recent Developments in Hydrodynamic Cavitation Reactors: Cavitation Mechanism, Reactor Design, and Applications

Haoxuan Zheng, Ying Zheng, Jesse Zhu

Journal Article

Numerical analysis of hydrodynamic process of circular-translational-moving polishing (CTMP)

ZHAI Wenjie, LIU Changxiong, LIANG Yingchun

Journal Article

Uncertainty quantification of stability and damage detection parameters of coupled hydrodynamic-ground

Nazim Abdul NARIMAN, Tom LAHMER, Peyman KARAMPOUR

Journal Article

Scenario analysis of water pollution control in the typical peri-urban river using a coupled hydrodynamic-water

Haifeng JIA, Shuo WANG, Mingjie WEI, Yansong ZHANG

Journal Article

Development of a hydrodynamic model and the corresponding virtual software for dual-loop circulating

Shanwei Hu, Xinhua Liu

Journal Article

Study on hydrodynamic and synthetic water quality model for river networks

Zhang Mingliang,Shen Yongming

Journal Article

Method of internal 3D flow field numerical simulation for hydrodynamic torque converter

SHANG Tao, ZHAO Dingxuan, ZHANG Yuankun, GUO Xiangen, SHI Xiangzhong

Journal Article

Highly hydrophobic oil−water separation membrane: reutilization of waste reverse osmosis membrane

Journal Article

Easily-manufactured paper-based materials with high porosity for adsorption/separation applications in

Journal Article

Phase separation time/temperature dependence of thermoplastics-modified thermosetting systems

ZHANG Xiujuan, XU Yuanze, YI Xiaosu

Journal Article

Imprinted membranes for sustainable separation processes

Laura Donato, Enrico Drioli

Journal Article

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

Journal Article

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