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Published in last 1 year |  In last 2 years |  In last 3 years |  All Please wait a minute... For Selected: Download Citations EndNote Ris BibTeX Toggle Thumbnails Select Coupling of coarse-grained discrete particle method and particle-in-cell method for simulation of gas-solid flow Fei-guo CHEN Wei GE Chin. J. Process Eng.    2019, 19 (4): 651-660.   DOI: 10.12034/j.issn.1009-606X.218338 Abstract （793）      PDF （1326KB）（355）       Knowledge map    Save Eularian?Lagrangian (EL) methods for the simulation of gas–solid flow are advantageous over Eularian–Eularian (EE) methods in terms of their more rigorous treatment of the particle motion and particle–particle interactions. But conventional EL methods are limited in the number of handled particles. Coarse-grained discrete particle method (CG-DPM) and multiphase particle-in-cell (MP-PIC) are two main methods in this category to increase the simulation scales by treating particle swarms as single computational particles. They are found to be more suitable for dense and dilute particle suspensions, respectively and hence coupled in this study to establish a more general, accurate and efficient EL method. The optimum coupling parameters are determined by comparing the flow patterns from different methods and quantitative analysis on their particle fraction distributions. Reference | Related Articles | Metrics Select Quasi-liquid: from Natural Cognition to Precise Regulation Suojiang ZHANG Yumiao LV Hongyan HE Feng HUO Yanlei WANG Xiaochun ZHANG Kun DONG Chin. J. Process Eng.    2017, 17 (5): 883-884.   DOI: 10.12034/j.issn.1009-606X.217327 Abstract （1765）      PDF （208KB）（394）       Knowledge map    Save 准液体不仅在自然界广泛存在，而且在能源、材料和生命科学等诸多领域的实际过程中发挥着重要的作用，然而迄今为止，人们尚未认识到准液体的重要性及对其探究的重大意义。对这种新物态的研究将带来新认识、新理论和新突破，并可能产生重大的技术革新。本文首先总结了准液体的类型，指出了准液体的结构特征，提出了准液体精准调控的理念，最后展望了准液体的巨大潜在应用，对促进准液体的理论发展和应用意义重大。 Reference | Related Articles | Metrics Select From Acid and Alkali United Production into New Basic Theory of Chemical Engineering ¾Origin of Ecologic Recycle Engineering Zuohu LI Chin. J. Process Eng.    2017, 17 (3): 427-432.   DOI: 10.12034/j.issn.1009-606X.217139 Abstract （1086）      PDF （454KB）（220）       Knowledge map    Save Chemical Engineering or Chemical Technology Process has acquired an over-expanding knowledge base involving transport and reaction as its main contents, that is popular name “3-Tranfer & 1-Reaction”, as the principle of “unit operation” design. In last twenty years we study the acid–alkali united production from metallic salts by hydrolytic action, and found that there be an essential distinction between unit operation and process. One process contains varied many unit operations. Also the essential basic theory for process is closed circular system of multi-phases dynamics. On the basic theory of process guided the ecologic recycle engineering, as the complete base of ecological circular economy at practice or theory. Related Articles | Metrics