Publicación: Reduced kinetic mechanism for n-pentanol flame modeling
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2022
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Atribución-NoComercial-SinDerivadas 4.0 Internacional
info:eu-repo/semantics/openAccess
info:eu-repo/semantics/openAccess
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['Universidad Nacional de Educación a Distancia (España)', 'Universidad Politécnica de Madrid. Departamento de Ingeniería Mecánica']
Resumen
Se desarrolló un mecanismo reducido de n-pentanol para aplicarlo en el modelado y simulación de llamas. El esquema cinético consiste de 12 reacciones y 6 especies químicas que fueron adicionadas al mecanismo reducido de San Diego que no contiene este combustible, resultando un mecanismo de 276 reacciones y 63 especies químicas. Para desarrollarlo, a un mecanismo detallado se aplicó una reducción sistemática de reacciones y especies químicas con análisis de sensibilidad y aproximación de estado estacionario. Se corroboró la efectividad del mecanismo reducido con simulaciones de velocidad de llamas para experimentos reportados a una presión de 1 bar y temperaturas de 353 K, 393 K, 423 K y 433 K. Para todos los casos se encontró buena concordancia de los resultados de la simulación con respecto a los datos experimentales con una diferencia media relativa de 7 %.
A reduced mechanism of n-pentanol was developed for application to flame modeling and simulation. The kinetic scheme consists of 12 reactions and 6 chemical species that were added to the reduced mechanism of San Diego that does not contain this fuel, resulting in a mechanism of 276 reactions and 63 chemical species. To develop it, a systematic reduction of chemical species and reactions with sensitivity analysis and steady-state approximation was applied to a detailed mechanism. The effectiveness of the reduced mechanism was corroborated with flame velocity simulations for experiments reported at a pressure of 1 bar and temperatures of 353 K, 393 K, 423 K and 433 K. For all cases, good agreement was found between the simulation results and the experimental data, with an average discrepancy of around 7%.
A reduced mechanism of n-pentanol was developed for application to flame modeling and simulation. The kinetic scheme consists of 12 reactions and 6 chemical species that were added to the reduced mechanism of San Diego that does not contain this fuel, resulting in a mechanism of 276 reactions and 63 chemical species. To develop it, a systematic reduction of chemical species and reactions with sensitivity analysis and steady-state approximation was applied to a detailed mechanism. The effectiveness of the reduced mechanism was corroborated with flame velocity simulations for experiments reported at a pressure of 1 bar and temperatures of 353 K, 393 K, 423 K and 433 K. For all cases, good agreement was found between the simulation results and the experimental data, with an average discrepancy of around 7%.
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Categorías UNESCO
Palabras clave
flames, n-pentanol, reduced mechanism, modeling
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Centro
Facultades y escuelas::E.T.S. de Ingenieros Industriales
Departamento
Mecánica