Preface--颗粒学报PARTICUOLOGY

This special issue of PARTICUOLOGY is focused on the advanced topics of multiphase flow dynamics and chemical kinetics in particulate systems. The papers included represent not only the fundamental aspects of the basic parametric effects and mechanisms of such systems but also their applied nature involving such transport and reactive units as fluidized beds, risers, and downers.

Specifically, the basic mechanistic studies cover topics including the geometric effect on fluidized bed hydrodynamics, the inter-particle collision effect on solids transport in risers, the flow property of ultrafine mixtures in powder coating, the electrostatic charge coupling with particle transport hydrodynamics, the wall effect on fixed bed hydrodynamics, and the clustering in risers and downers. Applied studies on the flows and reactions are exemplified by topics including the hydrodynamics of pollen-shaped carries in inhalation drug delivery processes, the simple kinetics model of photocatalytic ozonation of phenol in fluidized bed reactors, and the hydrodynamics and reaction characteristics of industrial circulating fluidized combustors. The papers of this special issue represent the continued interest of the field in classical approaches of research that probes particulate flows and reaction engineering with emphasis on the systematic coupling of hydrodynamics and reaction kinetics, and the full-scale CFD simulation on system characteristics of industrial-scaled reactors.

We are honored to be invited by the editors of PARTICUOLOGY to organize this special issue for the journal. We would like to thank Mr. Dawei Wang of New Jersey Institute of Technology for his valuable assistance in coordinating the invitation and manuscript review process. We would also like to express our sincere appreciation to all the authors for their outstanding contributions that make this special issue particularly “special”.

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