SAE Technical Paper Series 1997
DOI: 10.4271/970880
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Direct Injection Diesel Engine Simulation: A Combined Numerical and Experimental Approach from Aerodynamics to Combustion

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Cited by 15 publications
(7 citation statements)
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“…Such chemistry-dependent models can be used to predict reasonable values for ignition delay provided that detailed reaction schemes [1] or simplified schemes tuned for certain applications [11][12][13] are employed. However, investigations conducted on simple counterflow or coflow flame configurations [3][4][5][6][7][8][9][10] have shown that this approach is compromised when turbulent mixing plays an important role in determining reaction rates during the ignition period.…”
Section: Introductionmentioning
confidence: 99%
See 1 more Smart Citation
“…Such chemistry-dependent models can be used to predict reasonable values for ignition delay provided that detailed reaction schemes [1] or simplified schemes tuned for certain applications [11][12][13] are employed. However, investigations conducted on simple counterflow or coflow flame configurations [3][4][5][6][7][8][9][10] have shown that this approach is compromised when turbulent mixing plays an important role in determining reaction rates during the ignition period.…”
Section: Introductionmentioning
confidence: 99%
“…Ignition models typically used in engine simulations [1,[11][12][13] predict reaction rates during the ignition period based on a purely chemistry-dependent approach under the assumption of small Damkö hler number. Such chemistry-dependent models can be used to predict reasonable values for ignition delay provided that detailed reaction schemes [1] or simplified schemes tuned for certain applications [11][12][13] are employed.…”
Section: Introductionmentioning
confidence: 99%
“…El modelo k − ε [136] es el más extendido [137][138][139][140][141] para el cálculo de los efectos de la turbulencia mediante CFD. Se trata de un modelo semiempírico en el que la viscosidad turbulenta se expresa a través de la ecuación:…”
Section: Herramientas Teóricasunclassified
“…Sin embargo, para estos estudios se decide utilizar el modelo k-ε [97], por ser el más robusto, de consumo computacional razonable, y el más utilizado en aplicaciones de motores Diesel con resultados aceptables [46,59,78,125,135].…”
Section: Modelo De Turbulenciaunclassified
“…Aunque existen varios modelos de combustión, algunos implementados en los códigos comerciales CFD, aún requieren muchas mejoras para ser realmente predictivos, debido a la gran complejidad de los fenómenos asociados a la combustión [28,46]. Dada la dificultad para reproducir con exactitud el proceso de encendido de la combustión, resulta complicado predecir el fenómeno de resonancia provocado por el autoencendido de los motores Diesel.…”
Section: Introductionunclassified