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Mesoscopic model for diffusion-influenced reaction dynamics
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DOI：10.1063/1.1690244.png)
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摘要
En 中文
hybrid mesoscopic multiparticle collision model is used to study diffusion-influenced reaction kinetics. The mesoscopic particle dynamics conserves mass, momentum, and energy so that hydrodynamic effects are fully taken into account. Reactive and nonreactive interactions with catalytic solute particles are described by full molecular dynamics. Results are presented for large-scale, three-dimensional simulations to study the influence of diffusion on the rate constants of the A + C double left right arrow B + C reaction. In the limit of a dilute solution of catalytic C particles, the simulation results are compared with diffusion equation approaches for both the irreversible and reversible reaction cases. Simulation results for systems where the volume fraction phi of catalytic spheres is high are also presented, and collective interactions among reactions on catalytic spheres that introduce volume fraction dependence in the rate constants are studied. (C) 2004 American Institute of Physics.
Keyword:
REVERSIBLE BIMOLECULAR REACTIONS
3-DIMENSIONAL SIMULATIONS
CONCENTRATION-DEPENDENCE
KINETIC-THEORY
COAGULATION
SYSTEM
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期刊
IF:
3.1
论文数:
7.2W
被引数:
23.2W
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