Conditional and opposed reaction path diagrams for the analysis of fluid-chemistry interactions
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Conditional and opposed reaction path diagrams for the analysis of fluid-chemistry interactions

  • Author(s): Grcar, Joseph F.
  • Day, Marcus S.
  • Bell, John B.
  • et al.
Abstract

This conference paper considers how to use reaction path diagrams to better understand the output of reacting flow simulations. Briefly, these diagrams have long been used to depict the reactants and products in networks of chemical reactions. The diagrams can be generated in several ways from computer simulations of chemically reacting fluids to depict how the fluid moderates the chemistry by determining which species are brought into contact to react in quantity. The concept of a conditional diagram is introduced which depicts the reactions occurring in only a portion of the fluid domain, thus enabling comparisons between different regions of the fluid and the overall reaction network. Several examples are provided of the paths occurring in methane diffusion flames.

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