C3MechV3.3, a new detailed kinetic model for surrogate fuels, is now available to the public. Version 3.3 of the C3 mechanism is the culmination of three years of joint research under the first phase of the consortium, funded by industry partners in the automotive and heavy-duty sectors. Consisting of 3,761 species and 16,522 reactions, C3MechV3.3 contains detailed chemistry for small species including hydrogen, syngas, natural gas, methanol, ethanol, and dimethyl ether. In addition, the mechanism incorporates important surrogate fuel components for gasoline, diesel, and jet fuel, as well as NOx and PAHs. The model has been validated against an expansive set of experimental data for many fuels and blends over a wide range of temperatures, pressures, and equivalence ratios. With model extraction and reduction tools, various surrogate fuel mechanisms can be generated from C3MechV3.3 for use in computational fluid dynamics (CFD) simulations.
C3Mech represents the first time that the combustion community has developed and validated a mechanism combining small, intermediate, and large species in a self-consistent, comprehensive, and hierarchical way. This first-of-its-kind mechanism presents a valuable opportunity for the combustion community to explore low-carbon, carbon-neutral, and carbon-free fuels to help decarbonize sectors all across industry.
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