Bruno

Engenharia química - UFSM

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US GURI É BIXO ENGENHARIA QUÍMICA UFSM 2020

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Hi @LatinXChem, presenting my work 'Development of a NOx Emissions Prediction Model for Real-Time Monitoring in Hydrogen-Fueled Engines' at #LatinXChem24 #LatinXChemEng #Eng031.

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@AForiguaC @LatinXChem @RSC_ReactionEng @RSC_MolEng @LatinXinChE + So, indeed there was oxidation via the hydroperoxyl formation pathway, but it is less relevant in the considered operating conditions than the chain branching pathway

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Hi @LatinXChem, presenting my work 'Optimizing hydrogen combustion simulation: a detailed kinetic mechanism comparison’ at #LatinXChem23 #LatinXChemEng #Eng40 @RSC_ReactionEng @RSC_MolEng @LatinXinChE.

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@AForiguaC @LatinXChem @RSC_ReactionEng @RSC_MolEng @LatinXinChE Hi, @AForiguaC. I appreciate your inquiry.
Yes, all mechanisms compared in this work consider the hydroperoxyl radical (HO2*) pathway. However, as illustrated in the figures below, the formation of this radical is notably minor when contrasted with the hydroxyl radical (OH*). +

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@cwcoley @LatinXChem @RSC_ReactionEng @RSC_MolEng @LatinXinChE In essence, while the San Diego mechanism performed well in this specific context, it is important to approach these findings with further investigation, possibly with more advanced computational resources, to draw definitive conclusions.

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@cwcoley @LatinXChem @RSC_ReactionEng @RSC_MolEng @LatinXinChE It is worth noting that the C3Mech mechanism demonstrated accurate results in validating lean hydrogen combustion conditions in previous studies, indicating its potential in different scenarios.

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@cwcoley @LatinXChem @RSC_ReactionEng @RSC_MolEng @LatinXinChE However, it is understood that this qualitative result can be translated into quantitative error values, using methodologies such as RMSE or even the R². This would result in a smaller error between the experimental pressure and the simulation using the San Diego mechanism.

[Bruno @nrun00]

@cwcoley @LatinXChem @RSC_ReactionEng @RSC_MolEng @LatinXinChE Hi, professor.
The metric employed for comparison was based on qualitative results. The San Diego curve distinguished itself by staying within the range of experimental values, making it the optimal fit among the models assessed.

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@RictorVoggia

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@FrazzonLeonardo

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