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Chemical reaction model : ウィキペディア英語版 | Chemical reaction model
Chemical reaction models transform physical knowledge into a mathematical formulation so that that knowledge can be utilized in computational simulation of practical problems. The computers then provide the flexibility to visualize the phenomenon and their interactions to a wide range applications. Modeling of a chemical reaction involves solving conservation equations describing convection, diffusion, and reaction source for each component species. == Species transport equation ==
: ''R''''i'' is the net rate of production of species ''i'' by chemical reaction and ''S''''i'' is the rate of creation by addition from the dispersed phase and the user defined source. ''J''''i'' is the diffusion flux of species ''i'', which arises due to concentration gradients and differs in both laminar and turbulent flows. In turbulent flows, computational fluid dynamics also considers the effects of turbulent diffusivity. The net source of chemical species ''i'' due to reaction, ''R''''i'' which appeared as the source term in the species transport equation is computed as the sum of the reaction sources over the ''N''''R'' reactions that the species participate in.
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