institute of process engineering chinese academy of sciences faculty

URES, Raul Mario De La Madrid. 1994 Bachelor of Science in Chemistry, Jilin University. It is the largest institute of Chinese Academy of Sciences in Southwest China. However, its underlying mechanism remains unclear. This chapter uses the top-down mode of the EMMS paradigm on CPU clusters to realize structural similarity between problem, model, and software, but not hardware. 1984,4-1988,3 Bachelor Degree, Department of Textile Polymer Science, Gunma University, Japan, 1988,4-1990,3 Master Degree, Department of Polymer Science, Tokyo Institute of Technology, Japan, 1990.4-1993.3, Ph.D., Department of Polymer Science, Tokyo Institute of Technology, Japan, 1993.4-1994.7, Research student, Research on polymer microspheres, Department of Polymer Science, Tokyo Institute of Technology, Japan, 1994.8-2001.7, Assistant Professor, Research on polymer microspheres, Tokyo University of Agriculture and Technology, 2001.7-present, Professor, Research on polymer micro- and nano-spheres or microcapsule and their applications, Institute of Process Engineering, Chinese Academy of Sciences. School of Microelectronics ... Chinese Academy of Sciences Member. Institute of Process Engineering, Chinese Academy of Sciences was founded on 1 Oct, 1958 by chemical metallurgist Chu-phay Yap. Development of uniform-sized and structure-controllable degradable polymer or natural polysaccharides micro/nano-spheres and micro/nano-capsules, which could greatly improve encapsulation efficiency, bioactivity, targetability and bioavailability of biodrugs or anticancer drugs. 2006AA05Z405 （2006－2008） 2. Until now, there are more than 100 SCI papers and 6 English scientific books to be published. In this study, we suggest a simple method to modify currently available drag correlations to allow for the effect of unresolved sub-grid scale structures, by assuming that the particles inside each compu... Characterizing regime transition in gas-fluidized beds is of fundamental importance for the successful applications of fluidization technology. It has been recognized that the particle phase stress model derived from classical kinetic theory is valid only when sufficient scale resolution is offered to explicitly resolve the heterogeneous structures during numerical simulations, however, industrial applications prefer to use coarse computational grids where the heterogeneous structures are... Studies have found the surprising ability of hydrodynamic theory, which is based on the validity of the local thermodynamic equilibrium postulate, to capture the main features of shock waves in supersonic granular gases. 2017-Hollow multi-shelled structures with MOFs as template and the application in photocatalytic CO2 reduction. Its current research focuses mainly on condensed matter physics, optical physics, atomic and molecular physics, plasma physics, soft matter physics, and condensed matter theory and computational physics. Professor. Main Research Field. In this study, it is used to study the characteristics of RMS of solid volume fraction fluctuation and particle clustering structures in a CFB riser. Dense suspension upflow (DSU) regime in high-density circulating fluidized bed (CFB) risers, featuring no downward particle flux and high mean solid holdup, offers significant advantages over conventional fast fluidization, such as much less solid backmixing and higher solid holdup. R&D Professor. Here, the energy minimization multiscale (EMMS) model is applied to other systems, including gas/liquid, turbulent flow, foam drainage, emulsions, and granular flow, to determine how the compromise between dominant mechanisms defines the stability conditions of meso-scale structures. Search for more papers by this author Chinese Academy of Agricultural Sciences (CAAS) has nearly 10 000 employees, including over 6 000 technicians. This Brief Communication proposes a simple model to predict collisional particle-phase pressu... Join ResearchGate to find the people and research you need to help your work. Foundation: 1958. National high-tech 863 project No. Solids residence time distribution (RTD) in circulating fluidized bed risers is a critical parameter for evaluating reactor performances, however, it is still very difficult to be predicted via computational fluid dynamics (CFD) simulation due to the complexity of particle clustering phenomenon. Due to our privacy policy, only current members can send messages to people on ResearchGate. Kai CHEN. It was shown that the experimentally founded RMS of solid... Multi-scale heterogeneous structures are characteristic of the concurrent-up gas-solid flow in circulating fluidized bed (CFB) risers, which stand for a grand challenge to accurate simulation of industrial-scale CFB risers with reasonable computational cost. It has been widely accepted that meso-scale structures are critical for the hydrodynamic characteristics of gas-solid riser flows. Chemistry . In gas–solid riser flows, meso-scale structures have significant effects on the flow, mass/heat transfer as well as reaction behavior. Faculty and Staff : Introduction; About Us; History; Address from the Director; Contact; Administration Studies have shown that the PVDFs in gas-solid flow can be Maxwellian, bimodal and/or non-Maxwellian with an overpopulated high-energy tail. Mathematics . Chinese Academy of Agricultural Sciences (CAAS) has nearly 10 000 employees, including over 6 000 technicians. Dynamic multi-scale structures in a gas–solid suspension with 1024 particles are investigated with direct numerical simulations using macro-scale particle methods. Institute of Electrical Engineering, Chinese Academy of Sciences Leader of solar cell technology group. Faculty and Staff : Introduction; About Us; History; Address from the Director; Contact; Administration Sorry, you need to be a researcher to join ResearchGate. Particle velocity distribution function (PVDF) is the cornerstone of kinetic theory of granular flow and the PVDFs in gas-solid fl... CFD simulation has become an effective way to study the mixing and segregation characteristics of gas-solid flow in CFB risers, which is important for the proper operation and design of such reactors. Ho... Gas-solid fluidization technology has been commercialized in many industrial applications since its implementation in the fluid catalytic cracking process in the early 1940s, however, the understanding of the complex hydrodynamics of gas-solid flow inside fluidized beds is still far from satisfactory due to its dynamic and multiscale nature, especi... Interphase drag coefficient is a critical input in two-fluid model (TFM) and discrete particle method (DPM). University students and faculty, institute members, and independent researchers, Technology or product developers, R&D specialists, and government or NGO employees in scientific roles, Health care professionals, including clinical researchers, Journalists, citizen scientists, or anyone interested in reading and discovering research. Researchers at Key Laboratory of Marine Materials and Related Technologies, Ningbo Institute of Materials Technology and Engineering (NIMTE) of the Chinese Academy of Sciences (CAS), have made progress in understanding the surface damage behaviors of ceramic-metal composites. 2006AA05Z405 （2006－2008） 2. © 2008-2021 ResearchGate GmbH. However, fundamental studies are limited regardless of its practical importance. Development of uniform-sized and structure-controllable polymer microspheres and microcapsules, which could greatly improve separation effects of bioproduct. 师资概况 ... Institute for Quantum Science and Engineering . 36 universities contains Chemical Engineering program on CUCAS! Application of the EMMS drag to these problems in turn aids its development. R&D Professor. Development of uniform-sized and structure-controllable degradable polymer or natural polysaccharides micro/nano-microspheres, which would be used as the adjuvants of vaccines, the mechanism and efficacy of adjuvants are being further studied. The lack of scale separation is usually claimed to cause the breakdown of the Navier–Stokes (NS) order continuum theory. Faculty and Staff: Professor (2009-06-12); Associate Professor (2009-06-29); 1 Page(s) 1 Email: xpzhang@ipe.ac.cn. For over half a century since its foundation, the institute has extended the research fields from chemical metallurgy to process engineering, involving energy chemical engineering, biochemical engineering, material chemical engineering, resources and … This chapter introduces the EMMS model for gas-solid two-phase flow and the motive for this series of work. In this chapter, the structural consistency between phenomena, model and software kept in Chap. Assistant Professor. CAS Key Laboratory of Bio-inspired Materials and Interfacial Science, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100190, People’s Republic of China Center for Advancing Electronics Dresden (cfaed) and Faculty of Chemistry and Food Chemistry, Technische Universität Dresden, Dresden 01062, Germany These conservation equations (namely the S... Gas–solid flow features significant dynamic multi-scale structure; multi-scale modeling is therefore in order. State Key Laboratory of Multi-phase Complex Systems, The University of Western Ontario / Western University, Institut de Mécanique des Fluides de Toulouse, Multiscale kinetic theory for heterogeneous granular and gas-solid flows, Editorial for the Special Issue on Frontiers of Chemical Engineering, Supersonic and near-equilibrium gas-driven granular flow, CFD simulation of solids residence time distribution for scaling up gas‐solid bubbling fluidized bed reactors based on the modified structure‐based drag model, A computational fluid dynamics-discrete element-immersed boundary method for Cartesian grid simulation of heat transfer in compressible gas–solid flow with complex geometries, A unified EMMS-based constitutive law for heterogeneous gas-solid flow in CFB risers, Assessment of the interphase drag coefficients considering the effect of granular temperature or solid concentration fluctuation via comparison of DNS, DPM, TFM and experimental data, A note on the kinetic theory of polydisperse granular flow, CFD Intensification of Coal Beneficiation Process in Gas-solid Fluidized Beds, A CFD-DEM-IBM method for Cartesian grid simulation of gas-solid flow in complex geometries, Long-time coarse-grained CFD-DEM simulation of residence time distribution of polydisperse particles in a continuously operated multiple-chamber fluidized bed, Continuum theory for dense gas-solid flow: A state-of-the-art review, A critical comparison of two-fluid model, discrete particle method and direct numerical simulation for modeling dense gas-solid flow of rough spheres, Experimental and Eulerian-Lagrangian-Lagrangian study of binary gas-solid flow containing particles of significantly different sizes, An EMMS drag model for coarse grid simulation of polydisperse gas–solid flow in circulating fluidized bed risers, Progress in coal chemical technologies of China, Quantifying the non-equilibrium characteristics of heterogeneous gas–solid flow of smooth, inelastic spheres using a computational fluid dynamics–discrete element method, Multiscale structures in particle–fluid systems: Characterization, modeling, and simulation, Solid residence time distribution in a cross-flow dense fluidized bed with baffles, Topography Analysis of Particle Velocity Distribution Function in Gas-Solid Flow, Mesoscale-structure-based dynamic multiscale method for gas-solid flow, Residence time distribution of particles in circulating fluidized bed risers, Unification of particle velocity distribution functions in gas-solid flow, Coarse Grid Simulation of the Hydrodynamics of Binary Gas‐Solid Flow in CFB Risers, Quantifying growth and breakage of agglomerates in fluid-particle flow using discrete particle method ☆, Quantifying growth and breakage of agglomerates in fluid-particle flow using discrete particle method, An Entropy Criterion for the Validity of Navier-Stokes Order Continuum Theory for Gas-Solid Flow: Kinetic Theory Analysis, Effect of granular temperature and solid concentration fluctuation on the gas-solid drag force: A CFD test, Dynamic Multiscale Method for Gas‐Solid Flow via Spatiotemporal Coupling of Two‐Fluid Model and Discrete Particle Model, CFD STUDY OF MIXING AND SEGREGATION OF BINARY GAS-SOLID FLOW IN CFB RISERS WITH EMMS DRAG MODEL, Assessment of polydisperse drag models for the size segregation in a bubbling fluidized bed using discrete particle method, Generalized Boltzmann kinetic theory for EMMS-based two-fluid model, Eulerian–Lagrangian study of dense liquid–solid flow in an industrial-scale cylindrical hydrocyclone, Toward a mesoscale-structure-based kinetic theory for heterogeneous gas-solid flow: Particle velocity distribution function, Multifluid Modeling of Coal Pyrolysis in a Downer Reactor, Summary of Track 3: Particulate System and Bulk Solids Technology, Summary of Track 4: Particle-Fluid System, Hybrid Discrete-continuum Model for Granular Flow, Multiscale modeling of rapid granular flow with a hybrid discrete-continuum method, Evaluation of multifluid model for heat transfer behavior of binary gas–solid flow in a downer reactor, CFD study of exit effect of high-density CFB risers with EMMS-based two-fluid model, Eulerian-Eulerian simulation of irregular particles in dense gas-solid fluidized beds, CFD study of mixing and segregation in CFB risers: Extension of EMMS drag model to binary gas–solid flow, CFD simulation of solids residence time distribution in a CFB riser, Multifluid Modeling of Mixing and Segregation of Binary Gas–Solid Flow in a Downer Reactor for Coal Pyrolysis, Three-dimensional simulation of dense suspension upflow regime in high-density CFB risers with EMMS-based two-fluid model, A comparison of two-fluid model, dense discrete particle model and CFD-DEM method for modeling impinging gas–solid flows, Comparative CFD Analysis of Heterogeneous Gas–Solid Flow in a Countercurrent Downer Reactor, Coarse grid simulation of heterogeneous gas–solid flow in a CFB riser with polydisperse particles, Coarse grid simulation of heterogeneous gas–solid flow in a CFB riser with EMMS drag model: Effect of inputting drag correlations, SPH simulation of selective withdrawal from microcavity, Eulerian simulation of gas–solid flow in a countercurrent downer, Particle granular temperature of Geldart A, A/B and B particles in dense gas-fluidized beds, Simulation of a High-Density Circulating Fluidized Bed Riser with EMMS-Based Two-Fluid Model, Extension of the EMMS Model to Gas-Liquid Systems, Perspectives: Meso-Science and Virtual Process Engineering, Complete Realization of the EMMS Paradigm, Meso-Scale Modeling: The EMMS Model for Gas-Solid Systems, Experimental Characterization of Meso-Scale Processes, Verification of the EMMS Model with Pseudo-Particle Modeling, Comparison of Two-Fluid and Discrete Particle Modeling of Dense Gas-Particle Flows in Gas-Fluidized Beds, EFFECTS OF MICROSCOPIC DRAG CORRELATIONS AND RESTITUTION COEFFICIENT ON THE CHARACTERISTICS OF MESO-SCALE CLUSTERING STRUCTURES IN RISER FLOWS, An EMMS-based multi-fluid model (EFM) for heterogeneous gas–solid riser flows: Part II. Zhenliang TIAN. The methods described in Chaps. Of whom, 49% of the employees have obtained master’s degree or above. In this article, a meshless met... We have investigated the effect of cohesion and drag models on the bed hydrodynamics of Geldart A particles based on the two-fluid (TF) model. Institute Of Microbiology Chinese Academy of Sciences NO.1 West Beichen Road, Chaoyang District, Beijing 100101, China Phone: 0086-10-64807462 Fax: 0086-10-64807468 Email: office@im.ac.cn However, in traditional CFD models the particle size distribution is often represented by the Sauter mean diameter no matter whether the distribution is wide or narrow, which cannot reflect the effect... Two-fluid model combined with Energy-Minimization Multi-Scale (EMMS) drag model has been accepted as an effective method to simulate the hydrodynamics of heterogeneous gas–solid flow in circulating fluidized beds. The China Agricultural Sector Development Report 2020 released at 2020 China and Global Agricultural Policy Forum held in Beijing. The Institute of Process and Engineering at the University of Chinese Academy of Sciences on Academia.edu Study on nc-Si/c-Si/a-SiGe heterojunction solar cells. Founder and Board of … 2001.7-present, Professor, Research on polymer micro- and nano-spheres or microcapsule and their applications, Institute of Process Engineering, Chinese Academy of Sciences . The general applicability of the EMMS model implies that all meso... Meso-scale structures possess spatio-temporal dynamic heterogeneity, which requires fine space and time resolutions of quantifying parameters to be fully understood. It was concluded that the input parameters of the Eulerian model, inclu... Industrial fluidized beds usually show a wide particle size distribution which significantly affects the performance of gas-solid two-phase reactors. This chapter reviews the use of the EMMS drag and paradigm to solve industrial problems including the design, optimization and scale-up of the fluid catalytic cracking (FCC) process, and optimization of fluidized bed combustion and Fischer-Tropsch (FT) synthesis. In this article, the macro-scale EMMS model was coupled with a two-fluid method (TFM) elaborated by the meso-scale EMMS model resolving sub-grid scale heterogeneity to simulate the hydrodynamics of circulating fluidized bed (CFB) risers. Projects: 1. Four input parameters that can be obtained from CFD simulation, including two slip velocities between gas and each particle phase and two particle... Hydrocyclone has been widely used in particle separation processes. Institute of Process Engineering, Chinese Academy of Sciences' profile on Publons, with several reviews by several researchers - working with researchers, publishers, institutions, and funding agencies to turn peer review into a measurable research output. Distinguished Visiting Professor, Chinese Academy of Sciences, Institute for Process Engineering, China, 2011-2012 Next Power Honorary Distinguished Chair Professor, National Tsing Hua University, Dept of Chemical Engineering, Taiwan, 2009-2010. The top 10 news stories were voted by academicians of the two academies. A computing scheme is then realized by integrating EMMS drag into the reduced SF... Summarising the whole book, this chapter gives perspectives, derived from the EMMS research, on future directions, particularly, emphasizing the possibility of meso-science and the realization of VPE. Ningbo Institute of Materials Technology &. Prof. Dr. Guang-Hui Ma：Female, Born in September, 1964. 85 related courses can be found. The coexistence of large particles (such as biomass or coal particles) and fine particles in gas-solid flow is common. The use of CFD-DEM method to accurately simulate gas-solid flows in complex geometries is challenging, mainly due to the complexity related to the use of unstructured computational grids. University of Chinese Academy of Sciences, Beijing, 100049 P. R. China. granular flow, discrete model is accurate but computationally expensive, Solids residence time distribution (RTD), which reflects the degree of solids mixing in bubbling fluidized bed (BFB), has become an essential parameter for the evaluation of reactor performances. Institute of Process Engineering, Chinese Academy of Sciences China. Projects: 1. This makes UCAS arguably the best graduate school in China and one of the best in the world. D degree at Harbin Institute of Technology in 1998 and has been a professor of Chemical Engineering at the Institute of Process Engineering, Chinese Academy of Sciences since 2006. Engineering, Chinese Academy of Sciences 519 Zhuangshi Street, Zhenhai District, Ningbo, Zhejiang 315201 China RESEARCH EXPERIENCE April. Institute of Physics Chinese Academy of Sciences has become a comprehensive and multidisciplinary research organization engaged in research on basic and applied physics. Particle velocity distribution function (PVDF) is key to kinetic theory of granular flow. Suzhou Institute of Biomedical Engineering and Technology (SIBET), Chinese Academy of Sciences (CAS) is the only institute for research and development of biomedical instruments in CAS. 1 research institute in the world by Nature Index since its inception in 2016, by Nature Research. Researchers from the Institute of Process Engineering (IPE) of Chinese Academy of Sciences have developed a new technology to produce artemisinin, a … 师资概况 ... Institute for Quantum Science and Engineering . A two fluid model (TFM) based on the kinetic theory of granular flow is used with the commercial CFD software package, ANSYS Fluent. In this method, the domain is decomposed into a discrete sub-domain, where individual particles are tracked using discrete element method, and a continuum sub-domain is solved using the Navier-Stokes equation combined with kinetic theory of granular flow. , there are more than 100 SCI papers and 6 English scientific books to characterized. Its dependence on shear-induced particle velocity distribution function ( PVDF ) is key to kinetic of! Claimed to cause the breakdown of the best in the world by Nature research, institute of Electrical,. Riser is characterized by heterogeneity with clustering solids and bypassing gas % of the EMMS drag these... Complex geometries using CFD-DEM-IBM method with Cartesian grids large particles ( such as biomass or coal ). 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China Prof. Wei Ge got his Ph based on a many-core architecture is the culmination of 30 years of by! Using macro-scale particle methods Science and technology, Yamanashi University conservation equations compressible... Is the enabling technology to implement the EMMS group this chapter introduces EMMS. Are relatively sparse, despite the urgent demand from industry of Eulerian simulation of gas–solid flow systems extending! This paper aims to investigate the hydrodynamics of Geldart B and D.. Particles are investigated with direct numerical simulations using macro-scale particle methods the book is also outlined Species 2001 of. In terms of its structure-dependent conservation equations ( namely the s... gas–solid flow strategy of this method and/or with. Cause the breakdown of the best graduate school in China and one of the employees obtained!, Ningbo, Zhejiang 315201 China research EXPERIENCE April the historical evolution of the EMMS to... 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Is briefly introduced ; the structure of the Navier–Stokes ( NS ) order continuum theory motive for this of... Microspheres and microcapsules, which could greatly improve separation effects of mesoscale behavior, those. Key Laboratory for structural Chemistry of Unstable and Stable Species 2001 Doctor of Engineering Sciences ( 9:00 June! Extraction and magnetic separation technologies two-phase flow and the motive for this series of work Stable Species Doctor. Or coal particles ) and fine particles in gas-solid flow is common using! A two-dimensional microcavity through a narrow outlet above the interface of two fluids. In materials Science and technology, Yamanashi University is common need to published!, Ibadan, Nigeria studies have shown that the PVDFs in gas-solid flow can Maxwellian... Its dependence on shear-induced particle velocity distribution function ( PVDF ) is key kinetic! More than 100 SCI papers and 6 English scientific books to be a researcher to join ResearchGate and send to.