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A predictive model of natural gas mixture combustion in internal combustion engines
This study shows the development of a predictive natural gas mixture combustion model for conventional com-bustion (ignition) engines. The model was based on resolving two areas; one having unburned combustion mixture and another having combustion products. Energy and matter conservation equations were solved for each crankshaft turn angle for each area. Nonlinear differential equations for each phase’s energy (considering compression, combustion and expansion) were solved by applying the fourth-order Runge-Kutta method. The model also enabled studying different natural gas components’ composition and evaluating combustion in the presence of dry and humid air. Validation results are shown with experimental data, demonstrating the software’s precision and accuracy in the results so produced. The results showed cylinder pressure, unburned and burned mixture temperature, burned mass fraction and combustion reaction heat for the engine being modelled using a natural gas mixture.
A predictive model of natural gas mixture combustion in internal combustion engines
This study shows the development of a predictive natural gas mixture combustion model for conventional com-bustion (ignition) engines. The model was based on resolving two areas; one having unburned combustion mixture and another having combustion products. Energy and matter conservation equations were solved for each crankshaft turn angle for each area. Nonlinear differential equations for each phase’s energy (considering compression, combustion and expansion) were solved by applying the fourth-order Runge-Kutta method. The model also enabled studying different natural gas components’ composition and evaluating combustion in the presence of dry and humid air. Validation results are shown with experimental data, demonstrating the software’s precision and accuracy in the results so produced. The results showed cylinder pressure, unburned and burned mixture temperature, burned mass fraction and combustion reaction heat for the engine being modelled using a natural gas mixture.
A predictive model of natural gas mixture combustion in internal combustion engines
Henry Espinoza (author) / Luís Patiño (author) / Yordy González (author) / Lezama Irving (author)
2007
Article (Journal)
Electronic Resource
Unknown
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