Effect of Radiation on Diesel Engine Combustion and Heat Transfer

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概要

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• An investigation of the effect of radiation on NOx emission was conducted for low temperature diesel engine combustion by using advanced numerical models in a Computational Fluid Dynamics code. The Discrete Ordinates Method (DOM) model was used for the prediction of radiation, which is mainly radiated from soot emissions. The advanced numerical model was able to predict the pressure and heat release rate for a wide range of Start Of Injection (SOI) timing cases. It was found that the influence of the radiation was larger on soot formation than on NOx formation. However, the influence of the radiation on the emissions was smaller than the influence of the wall temperature on emissions. The reaction-induced interaction between NOx and soot emissions was found to be very small, only up to 2.5 % difference of engine-out NOx concentration.

• 一般社団法人日本機械学会・社団法人日本伝熱学会の論文

著者

• Reitz Rolf

  Engine Research Center Department Of Mechanical Engineering University Of Wisconsin-madison

• YOSHIKAWA Takeshi

  Engine Research Center, Department of Mechanical Engineering University of Wisconsin-Madison

関連論文

• Comparison of Three Soot Models Applied to Multi-Dimensional Diesel Combustion Simulations(Advanced Combustion Technology in Internal Combustion Engines)
• Current status of soot modeling applied to diesel combustion simulations(Diesel Engines, Combustion Modeling I)
• The Effect of Intake Boost Pressure on MK (Modulated Kinetics) Combustion
• Effect of Radiation on Diesel Engine Combustion and Heat Transfer

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