Publications
Title:Science for This Age: Paradigm Shifts and Global ChallengesJournal:Engineering, 2022Authors:Chao Dong, Jinghai Li*, Daya ReddyLink:https://doi.org/10.1016/j.eng.2022.05.002
This review discusses the complex behaviors in diverse chemical and biochemical systems to elucidate their commonalities and thus help develop a mesoscience methodology to address the complexities in even broader topics. This could possibly...
Mesoscale characteristics and their interdimensional correlation are the focus of contemporary interdisciplinary research. Mesoscience is a discipline that has the potential to radically update the existing knowledge structure, which differ...
The CIESC journal, an official journal of the Chemical Industry and Engineering Society of China, published a special issue “Mesoscience in Chemical Engineering”, including 16 review papers and 21 research papers.
Impending catastrophic failure of granular earth slopes manifests distinct kinematic patterns in space and time. While risk assessments of slope failure hazards have routinely relied on the monitoring of ground motion, such precursory failu...
This perspective proposes a roadmap to addressing and understanding various kinds of complexity, filling in the missing mesoscale links in the knowledge system, and thus tackling significant challenges in various fields as well. In this sce...
Formulating an optimal roadmap to realizing the goals of peak carbon dioxide emissions and carbon neutrality calls for a systemic analysis of mesoscale structures at multiple levels and of their governing multi-objective mechanisms within d...
A nature-inspired solution (NIS) methodology is proposed as a systematic platform for innovation and to inform transformative technology required to address Grand Challenges, including sustainable development. Scalability, efficiency, and r...
Heterogeneous quasibrittle composites like concrete, ceramics and rocks comprise grains held together by bonds. The question on whether or not the path of the crack that leads to failure can be predicted from known microstructural features,...
Title:Unravelling the complexity in achieving the 17 sustainable-development goalsJournal:National Science Review, 2019, 6(3): 386-388Authors:Bojie Fu*, Shuai Wang, Junze Zhang, Zengqian Hou, Jinghai Li*Link:https://doi.org/10.1093/nsr/nwz1...
This commentary briefly addresses the complexity at mesoscales of different levels, describes the limitations of traditional approaches, and introduces the preliminary principle of the potential mesoscience. It is believed that mesoscale co...
Title:Paradigm shift in science with tackling global challengesJournal:National Science Review, 2019, 6(6): 1091-1093Authors:Jinghai Li*, Wenlai HuangLink:https://doi.org/ 10.1093/nsr/nwz155
Complex distribution of adsorbates can emerge in heterogeneous catalysis due to the compromise among different mechanisms (showing different tendencies of structural evolution) associated with different processes. On two-dimensional catalys...
Exploring the physical mechanisms of complex systems and making effective use of them are the keys to dealing with the complexity of the world. The emergence of big data and the enhancement of computing power, in conjunction with the improv...
Accounting for complex mesoscale structures was found to be the key to predicting system performance from elemental properties, and hence a bottleneck for process systems engineering. The development and generalization of the energy-minimiz...
This review covers three decades of research on mesoscale phenomena in chemical engineering, from the energy minimization multiscale (EMMS) model specific for gas–solid fluidization to a general principle of compromise in competition betwee...
The energy-minimization multiscale (EMMS) principle of compromise in competition is believed to be generally applicable for all mesoscale problems at different levels in the real world, spanning from elementary particles to the universe. Th...
The development of mesoscience calls for extensive transdisciplinary efforts, where the accumulated and abundant disciplinary knowledge from individual disciplines will be highly beneficial, but needs to be identified, reorganized and revis...
Directly solving the multi-objective optimization problem, min (Wst, ε), in the energy-minimization multiscale (EMMS) model for gas-solid fluidization is an unsolved problem. Currently the solution is indirect based on the original stabilit...
Mesoscale phenomena represent a common challenge in chemical engineering. This article reviews three decades of related research at IPE, CAS, spanning from the energy minimization multiscale (EMMS) model specific for gas-solid fluidization ...
Breaking the patterns of habitual thinking is crucial in order to welcome a new revolution of science and technology (S&T) and to realize a new paradigm of scientific research. We are facing a new era for S&T, in which there are more opport...
Heterogeneous catalysis is vital in modern industries, and its basic problems always attract intense academic interest. The heterogeneous distributions of adsorbates on catalyst surfaces violate the mean field assumption and relevant macros...
This article discusses why mesoscales are the path to transdisciplinarity and the possibility of having a common scientific framework for big data, cloud/super computing and virtual reality, based on mesoscience discussed currently in chemi...
Different disciplines deal with mesoscale problems between the scales of element (micro) and system (macro) in different ways. Usually, coarse-graining or statistical approaches, which are averaging approaches, are used. However, averaging ...
With the dramatic development of computational science and technology, computer simulation is playing an increasingly important role in scientific research and engineering practice, and is believed to bring about a profound revolution to th...
Meso-scale structure is critical to characterize complex systems in chemical engineering. Conventional two-fluid model (TFM) without meso-scale modeling has proved to be inadequate for describing gas-solid flow systems featuring multi-scale...
Gas-solid two-phase flow features temporal-spatial multi-scale structures. Calculation of characteristic scales for an air/FCC (fluid-catalytic-cracking particle) flow indicates that the lack of scale separation entails a structure-dependen...
This paper reviews the development of the multi-scale methodology in complexity science, and elucidates the importance of understanding complex systems in chemical engineering by discussing the relevance between complex systems and a few ch...
Meso-scale structure existing in the form of particle clusters or strands in concurrent-up gas-solid two-phase flow has been extensively corroborated in experimental research. However, its significant effects on interfacial drag coefficient...
Challenges in quantitative design of chemical processes mainly reside in their complex structures, which are usually multi-scale in nature, and are difficult to analyze by the average approach as commonly used. The multi-scale methodology h...
Most multiphase chemical reactors are complex systems. This paper explores the multiscale nature of complex systems in chemical engineering and the intrinsic mechanism of the scale-up effect. Two approaches-multiscale and pseudoparticle-are...
Research strategy in studying gas-solid fluidization at the Institute of Chemical Metallurgy ICM. is outlined. Particle-fluid compromise is recognized to be the origin of the multi-scale dissipative structure in the system, to which multip...
Fig. 1 compares the calculated radial velocity profiles from Model 1 at different Re for both air and water flow with experimental data correlated by Karman (1939) and Bejan (1982). The subfigures at the top are calculated with α = 0, as so...
The necessary condition for the formation and dissolution of the dissipative structure in particle-fluid two-phase flow has been investigated, revealing its origin in the compromise between the movement tendencies of the particles and the f...
An investigation of gas backmixing in fluidized beds spanning the entire range from the bubbling regime to the dilute transport regime was conducted using continuous injection of a helium tracer. The focus was to compare backmixing levels i...
The method of energy minimization in multi-scale modelling of two-phase flow, has been applied to an analysis on energy transport and regime transition. Various regime transitions have been identified on the basis of this method of analys...
