| The Chemistry Module of CFD-ACE+ is used for any
application that involves chemically reacting flows. Examples include combustion,
propulsion, chemical vapor deposition, plasma enhanced deposition or etching,
fuel cells, catalytic conversion, biomedical applications.
The module provides two main options for computing the chemical composition:
- Mixture-by-mixture approach: solves transport equations for
mixture fractions.
- Species-by-species approach: solves transport equation for
individual species.
Several options are available for calculating chemical reactions. These
are listed below:
Homogeneous Chemistry: This can be either in liquids or gases.
Options available are:
- Equilibrium reactions
- Instantaneous reaction to equilibrium products
- Finite-rate multi-step reactions involving arbitrary number of reactions
and species
Heterogeneous Chemistry: This can be either in liquids or gases.
Options available are:
- Equilibrium reactions
- Finite-rate multi-step reactions involving arbitrary number of reactions
and species, including surface-adsorbed species
- The reactions can either be thermally activated (Arrhenius type) or
electrochemically activated (Butler-Volmer type)
The models for heterogeneous chemistry are also available within porous
media.
The chemistry module allows the computation of extremely stiff reaction
sets in multi-component systems. It can be coupled with flow, heat transfer,
plasma, electro-physics, and spray, as well as other modules. Several
advanced models, including LES, are available to treat turbulence-chemistry
interactions.
Sample validation and complex simulations results are shown on the right
of this page.
|
Comparison of CFD-ACE+ predictions against experimental data for GaN
growth
CFD-ACE+ simulation of GaN Growth in an industrial planetary reactor
CFD-ACE+ Prediction and Validation of NOx emissions using LES and RANS
Models
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