Engineering Science Research

Engineering Science Research Paper

diesel engine

Research on NO_x Conversion by DBD Non-thermal Plasma

Diesel engine has gradually become the one of the most important choices for vehicles,because of its power advantage,superior fuel economy and lower CO2,HC and CO emissions.However,NOx and PM emissions are high and difficult to control,and vehicle emissions regulations are increasingly stringent. Hence removal of harmful emissions from diesel exhaust,especially NOx, becomes a research hotspot.Non-thermal plasma [...]

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Research of Diesel Engine Cylinder Pressure Reconstruction Methods Based on Cyclostationary Properties

Cylinder pressure is one of important index for characterizing diesel operation states. Therefore under the situation of being unable to gain cylinder pressure directly from the minitype high-speed diesel engine, indirect identification of cylinder pressure by the cylinder heads’ vibration respond signals has become main research direction of diesel engine fault diagnosis.The author carried out [...]

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The Simulation Research on the Speed Control of Marine Diesel Engine

Nowadays,diesel engine is the main power plant in the industry,transport,etc. Therefore,the research on the integrated control of diesel engine for running at the best tradeoff point of economy,power and emissions would be of great significance to energy-saving and environmental protection.This paper mainly research on the speed control of diesel engine,try to make the output track [...]

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Study of Diesel Engine Fault Diagnosis Technique Based on Genetic Neural Network

Based on the analysis of domestic and foreign research about intelligent diagnosis technology and fault diagnosis methods of diesel engine,a method of diesel engine fault diagnosis based on genetic neural network is given in this paper.The fault diagnosis of fuel system is deeply studied.Firstly,the research status of fault diagnosis technology and contents of the topic [...]

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Optimal Design of Cam Profile for Diesel Engine and Optimization of Valve Timing

Energy and environmental protection have become two main themes of the the contemporary world. As society and economy developing, the problem caused by non-road diesel engine emission has been widely drawing people’s attention, and lots of countries have established non-road diesel emission regulation. For small non-road diesel engine, optimization of cam profile, improving performance of [...]

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The Contrast Research of Particulate Matter Trap and Regeneration Technology on Diesel Engine

Compared to other types of internal combustion engines,diesel engines are more fuel-efficient,providing higher torque and pulling capability,and also are lower emitters of hydrocarbons and carbon monoxide.Diesel engines are widely used in most kinds of mechanical equipments because of it is well dynamical,economical and reliable,especially in vehicle power.However,diesel engines can emit up to 30 times more [...]

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The Contrast Research of Particulate Matter Trap and Regeneration Technology on Diesel Engine

Compared to other types of internal combustion engines,diesel engines are more fuel-efficient,providing higher torque and pulling capability,and also are lower emitters of hydrocarbons and carbon monoxide.Diesel engines are widely used in most kinds of mechanical equipments because of it is well dynamical,economical and reliable,especially in vehicle power.However,diesel engines can emit up to 30 times more [...]

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Analysis of Performance and Regeneration Process on the Diesel Particulate Filter

From proposeing the principle of diesel engine to the current one hundred years,thediesel engine technology is developed comprehensively,as its good performance in power,economy and reliability,diesel engine is widely used in a variety of mechanical devices,especially as a vehicle power.Compared with the gasoline engine, HC and CO of dieselengine emissions is very low, NOx emissions in [...]

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Simulation of Automobile Turbocharged Diesel Engine under Transient Operating Conditions

With the development of automobile industry, automobile tenure increases deeply, automobile tenure increases deeply. With people’s increased caring about automobile exhaust pollution problem, automobile exhaust regulations are stricter than before in many country of the world. Automobile exhaust regulations also have been issued in China. At the same time, the more diesel engine tenure increasing, [...]

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Simulation Study on Effect of Injection Parameters and EGR for Common Rail Diesel Engine

The crisis of energy and the population of environment more and more become a focus. Dependent on high thermal efficiency and good economy,the diesel engine is widely used in every walk of life.The key to improve the emission level is to degrade the NOx and particulate.The main mathod is to improve the diesel engine combustion [...]

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