NO2 Formation in a Diesel Engine

Pipho, M. J.; Kittelson, David B.; Zarling, Darrick

doi:10.4271/910231

Cited by 33 publications

(12 citation statements)

References 9 publications

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“…It affects human health directly and is precursor to ozone formation, which is mainly responsible for smog formation. The ratio of NO 2 and NO in diesel engine exhaust is quite small, but NO gets quickly oxidized in the environment, forming NO 2 [6]. Since diesel engine mainly emits NO hence attention has been given to reduce the NO formation [7].…”

Section: Introductionmentioning

confidence: 99%

Effect of Exhaust Gas Recirculation (EGR) on performance, emissions, deposits and durability of a constant speed compression ignition engine

2011

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Section: Introductionmentioning

confidence: 99%

Effect of Exhaust Gas Recirculation (EGR) on performance, emissions, deposits and durability of a constant speed compression ignition engine

2011

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“…In large Chinese cities, NO x from automotive emissions accounted for up to 70% of total urban NO x pollution . NO x is a precursor to photochemical formation of ozone (O 3 ) which causes many lung‐related diseases . NO x is one of the causes of secondary formation of PM 2.5 and its exposure results in serious health issues including death .…”

Section: Introductionmentioning

confidence: 99%

Experimental investigation and optimization of exhaust gas recirculation on a Euro‐1 variable speed compression ignition engine

Gupta

Sharma

Soni

et al. 2017

Env Prog and Sustain Energy

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Automobile emissions are the main source of greenhouse gases (GHG) accumulation in environment. As old engines (Euro III or earlier) produce more emissions and it will be difficult to entirely stop their usage especially in developing and underdeveloped nations, it is desired that appropriate emission reduction technologies are tested on such engines to analyze their feasibility and economical acceptability. While most such studies have been conducted on constant speed stationary engines and modern engines, this study tried to analyze the effectiveness of exhaust gas recirculation (EGR) system on a Euro‐1, water‐cooled, direct injection, variable speed, compression ignition (C.I.) engine in a laboratory setup in India. This was done by testing an electronic control unit (ECU)‐controlled EGR valve running the engine on different speeds; with different torques, as also with varying EGR percentages. Then optimum value of EGR valve opening for each set of engine speed and torque was determined, that is, corresponding to minimum oxides of nitrogen (NOx). Optimum EGR valve position was programmatically fed, for each set of torque and engine speed (in RPM), into EGR ECU and then the engine was run at varying speeds and torques and the emissions were verified in the automated mode. It was found that using EGR, NOx emissions were substantially reduced (average 45% reduction), without significantly impacting the engine performance. However, smoke emission increased with EGR. In order to counter the adverse effects, additional emission reduction technologies should be used in tandem with EGR. © 2017 American Institute of Chemical Engineers Environ Prog, 36: 1685–1693, 2017

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“…At ambient conditions NO2 is much harmful than NO. Nitric oxide and nitrogen dioxide are together called as oxides of nitrogen (NOX) [6]. NOX gases are responsible for the formation of smog and acid rain as well it became a central core for the formation of ground level ozone and fine particles, both of which are related with adverse health effects.…”

Section: Introductionmentioning

confidence: 99%

Reduction of Nitrogen Oxides Emissions in a Single Cylinder Compression Ignition Engine Using Cool Exhaust Gas Recirculation System

Kumar

Babu

Kumar

et al. 2016

IJEE

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NO2 Formation in a Diesel Engine

Cited by 33 publications

References 9 publications

Effect of Exhaust Gas Recirculation (EGR) on performance, emissions, deposits and durability of a constant speed compression ignition engine

Effect of Exhaust Gas Recirculation (EGR) on performance, emissions, deposits and durability of a constant speed compression ignition engine

Experimental investigation and optimization of exhaust gas recirculation on a Euro‐1 variable speed compression ignition engine

Reduction of Nitrogen Oxides Emissions in a Single Cylinder Compression Ignition Engine Using Cool Exhaust Gas Recirculation System

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