Abstract
The fully coupled conditional moment closure (CMC) modeling with an unstructured-grid finite volume method has been developed to realistically simulate the structure of complex, turbulent non-premixed syngas-air flames, where flame structures could be considerably influenced by turbulence, transport history, and heat transfer. In this study, conservative CMC formulation is used to improve robustness and accuracy in the boundary treatment of CMC-related fluxes. To correctly account for the transport effect, the CMC transport equations fully coupled with equations for the flow and mixing fields are numerically solved. Moreover, to reduce the excessive computational burden required for three-dimensional computations of the fully coupled CMC approach with detailed chemistry, parallel strategies are implemented into the general CMC formulation. The present fully coupled CMC formulation together with a parallel processing procedure successfully demonstrates the capability to realistically predict detailed struc...
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