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Synchronization engineering
Publication date: September 2018Source: Current Opinion in Chemical Engineering, Volume 21Author(s): István Z KissSynchronization of oscillatory chemical reactions play an important role in functioning of biological processes. Physiological condition is often achieved by an optimal level and structure of synchrony. When the synchronization breaks down, engineering techniques are needed to re-establish the structure. Closed-loop techniques for synchronization engineering can be used with linear and nonlinear feedbacks with delays. A framework for methodological design of the feedback allows adjusting phase difference betwe...
Source: Current Opinion in Chemical Engineering - July 5, 2018 Category: Chemistry Source Type: research

Numerical bifurcation analysis of large-scale detailed kinetics mechanisms
Publication date: September 2018Source: Current Opinion in Chemical Engineering, Volume 21Author(s): Istvan Lengyel, David H WestDespite the benefits of studying dynamical behavior of chemically reacting systems by bifurcation analysis, its utilization for large mechanisms is greatly limited by the lack of available software, and clear and published strategies for improving the technique. This paper reviews recent progress, and reports strategies we identified that greatly improve reliability and speed of computations. These are tested by combining two open-source software packages: AUTO-07p (bifurcation analysis) and Cant...
Source: Current Opinion in Chemical Engineering - July 5, 2018 Category: Chemistry Source Type: research

Model reduction in chemical dynamics: slow invariant manifolds, singular perturbations, thermodynamic estimates, and analysis of reaction graph
Publication date: September 2018Source: Current Opinion in Chemical Engineering, Volume 21Author(s): AN GorbanThe paper has two goals:(1)It presents basic ideas, notions, and methods for reduction of reaction kinetics models: quasi-steady-state, quasi-equilibrium, slow invariant manifolds, and limiting steps.(2)It describes briefly the current state of the art and some latest achievements in the broad area of model reduction in chemical and biochemical kinetics, including new results in methods of invariant manifolds, computation singular perturbation, bottleneck methods, asymptotology, tropical equilibration, and reaction...
Source: Current Opinion in Chemical Engineering - July 5, 2018 Category: Chemistry Source Type: research

Sub-2 nm particle measurement in high-temperature aerosol reactors: a review
This article reviews current aerosol instruments measuring the size, concentration, and chemical composition of sub-2 nm particles. Recent measurements of sub-2 nm particles generated from different types of high-temperature aerosol reactors are also summarized.Graphical abstract (Source: Current Opinion in Chemical Engineering)
Source: Current Opinion in Chemical Engineering - July 5, 2018 Category: Chemistry Source Type: research

Editorial overview: Separation engineering: Recent development in porous materials for efficient molecular separation
Publication date: June 2018 Source:Current Opinion in Chemical Engineering, Volume 20 Author(s): Wei Zhang, Kang Li (Source: Current Opinion in Chemical Engineering)
Source: Current Opinion in Chemical Engineering - June 27, 2018 Category: Chemistry Source Type: research